Navman Marine Radio MCB 7270 User Manual

MCB 7270  
Full-Featured Marine CB 27 MHz Radio  
Operation Manual  
NAVMAN  
 
Contents  
1 - General Information  
5
5
6
1.1  
1.2  
FEATURES  
SCREEN SYMBOLS AND MEANINGS  
2 - Basic Operation  
7
2.1  
2.2  
2.3  
KEY FUNCTIONS  
RESET TO FACTORY DEFAULTS  
EXAMPLE SCREENS  
7
10  
10  
10  
10  
11  
11  
11  
12  
12  
12  
13  
13  
13  
14  
15  
16  
16  
17  
18  
2.3.1 Power Up Sequence Screens  
2.3.2 Channel Band Selection Screens  
2.3.3 Transmission Screen  
2.3.4 Noise Rejection Selection Screens  
2.3.5 Battery Voltage Screens  
2.3.6 Priority Channel Screens (Australia)  
2.3.7 ALL SCAN Mode Screens  
2.3.8 Locked Out and Unlocked Channel Screens  
2.3.9 Store Favourite Channels Screens  
2.3.10 PSCAN Working Channel Screen  
2.3.11 PSCAN Favourite Channel Screen  
Appendix A - Technical Specifications  
Appendix B - Troubleshooting  
Appendix C - Radio Channels (Australia)  
C.1  
C.2  
MARINE (MB) FREQUENCIES  
LAND (CB) FREQUENCIES  
Appendix D - How to Contact Us  
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NAVMAN MCB 7270 Marine CB 27 MHz Radio Operation Manual  
 
1 - General Information  
1.1 Features  
Congratulations on your purchase and installation of a Navman MCB 7270 27MHz radio. It provides you  
with the following useful features:  
Marine band (MB) communications with a land band (CB) capability, with six favourite  
channels (three for each band).  
Large LCD screen with prominent (17mm high) channel display.  
Special size, highlighted symbols for Tx (transmission), Rx (reception), and X (Channel  
Lockout).  
Powerful transmission output (4W maximum legal).  
Adjustable brightness settings for the screen and keypad for easy use in all  
lighting conditions - including night time and bright sunlight.  
Adjustable backlighting for the microphone.  
Long cable for the microphone (2.3m when comfortably stretched).  
Extension cable with jack, for connection to an external speaker.  
Top centred PTT button for comfortable left- or right-handed use.  
Quick access keys on the microphone for easy selection of channels (+/-), priority channels  
(88/9), local mode (LOC) and favourite channel functions (3CH).  
Channel 88/9 Priority/Distress key on the radio unit and microphone.  
Special 3CH key for easy selection of your three favourite channels.  
Most recently used channel is remembered and displayed at power up.  
PSCAN facility to scan the working channel and the priority channel, or the favourite  
channel(s) and the priority channel (similar to a dual watch facility).  
ALL SCAN mode with busy channel lockout facility.  
Noise rejection can be activated from chassis or microphone.  
Powerful external speaker (up to 4W).  
Voltage indicator (and low battery warning) for the battery supplying the radio.  
Waterproof and submersible to comply with JIS-7.  
Meets AS4355 and AS4367 technical specifications.  
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NAVMAN MCB 7270 Marine CB 27 MHz Radio Operation Manual  
 
1.2 Screen Symbols and Meanings  
This simulation shows the location of all the symbols that may appear on the screen:  
Symbol  
Meaning  
X
Channel is locked out (in ALL SCAN mode only).  
Channel selected (big digits).  
88  
Tx  
Rx  
Transmitting on maximum power (PTT depressed).  
The signal of the tuned channel is greater than the squelch setting and the audio  
is not muted.  
CH 123  
PRI  
Shows which of the three favourite channels, if any, are selected. Otherwise blank.  
Priority Distress/Calling channel is selected.  
BAT  
Voltage (shown in big digits) of the battery supplying the radio. If the battery voltage  
falls below 10.8V, BAT will flash continuously and the radio will sound a warning  
beep.  
LOC  
REJ  
Local mode for 10-12dB reduced receiver sensitivity.  
Noise rejection is on.  
CB  
(Citizen Band) land radio band frequencies are selected.  
(Marine Band) marine radio band frequencies are selected.  
The radio is in scanning mode (four scanning modes are available).  
MB  
SCAN  
SIGNAL  
The signal strength of the received channel. The bars are always shown when the  
radio is receiving. One bar indicates a very weak signal, eight bars indicates a very  
strong signal. Note that the signal strength is not shown for transmissions.  
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NAVMAN MCB 7270 Marine CB 27 MHz Radio Operation Manual  
 
2 - Basic Operation  
2.1 Key Functions  
Note that some of the keys on the radio  
chassis are duplicated on the microphone for  
your convenience.  
The PTT button and the LOC button are  
available only on the microphone.  
Key  
Function  
VOL/PWR  
Volume and Power knob. Turn clockwise (right) to turn the radio on. Continue to  
turn until a comfortable volume is reached. VOL/PWR also adjusts the settings of  
an external speaker, if connected.  
The screen displays the most recent channel, channel band, and noise rejection  
setting. See Section 2.3.1 for an example.  
Turn fully anti-clockwise (left) until the knob clicks to turn the radio off.  
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NAVMAN MCB 7270 Marine CB 27 MHz Radio Operation Manual  
 
SQL  
Squelch or Threshold Level knob. Sets the threshold level for the minimum  
receiver signal.  
Turn fully anti-clockwise (left) until random noise is heard, then turn slowly  
clockwise (right) until the random noise disappears. Make another ¼ turn clockwise  
for best reception in open sea conditions.  
In areas of high noise (eg close to large cities) reception may improve if sensitivity is  
reduced by turning SQL slowly clockwise (right). Also see REJ (noise rejection) and  
LOC (Local mode) because these may also improve reception quality.  
88/9  
Priority Channel (Australia). Also on the microphone. Press to cancel all other  
modes and tune into the priority channel (CH88 if MB is selected, or CH9 if CB  
is selected). See Section 2.3.6 for an example. Press 88/9 again to return to your  
original channel.  
In countries other than Australia, consult your dealer about your local priority  
channels.  
BAND  
3CH  
Channel Band. Press to toggle between marine (MB) and land (CB) channel band  
frequencies. The screen shows the selected channel band and radio tunes to the  
most recently used channel in that channel band. See Section 2.3.2 for an example.  
Appendix C shows the frequencies for each channel band.  
Three Favourite Channels. Also on the microphone. You can store three favourite  
channels for marine (MB) and another three favourites for land (CB) channel band  
frequencies.  
To store a favourite channel for the first time, select the channel band, then the  
channel. Press and hold 3CH for at least 1.5 seconds to store it in the CH1 location.  
Repeat the procedure to store two more favourite channels in the CH2 and CH3  
locations respectively. See Section 2.3.9 for an example.  
NOTE: If you try and add another favourite channel with 3 already stored,FL”  
shows in the display. You may store a new CH3 frequency only after deleting  
the old one. CH1 and CH2 remain unless you delete them.  
To select a favourite channel, select the channel band then press 3CH to toggle  
between your favourite channels. The channel band and CH1, CH2, or CH3 are  
displayed to show which favourite channel is currently selected.  
To delete a favourite channel, select it then press and hold 3CH for at least 1.5  
seconds until the CH1, CH2 or CH3 symbol disppears off the screen.  
DIM  
Backlighting. Press repeatedly to step through the settings (OFF, LOW, MED, HIGH)  
until the desired backlight level is obtained.  
SCAN  
Scanning Mode. PSCAN and ALL SCAN modes are available on both land (CB) and  
marine (MB) channel bands.  
To scan one channel, select that channel then immediately press and release SCAN.  
The radio goes into PSCAN mode; scanning the selected channel and automatically  
checking the priority channel once every 4 seconds (like Dual Watch mode).  
To scan one favourite channel, select that channel with 3CH then immediately  
press and release SCAN. The radio goes into PSCAN mode; scanning the favourite  
channel and automatically checking the priority channel once every 4 seconds  
(like Dual Watch mode). See section 2.3.11 for an example.  
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NAVMAN MCB 7270 Marine CB 27 MHz Radio Operation Manual  
 
To scan all three favourite channels, press 3CH then immediately press and hold  
SCAN for at least 1.5 seconds. The radio goes into PSCAN mode; automatically  
scanning the three favourite channels (and the priority channel once every 4  
seconds). The screen shows the SCAN symbol, channel band, and the channel  
being scanned.  
To scan all channels within a channel band, select a channel that is not a favourite  
then press and hold SCAN for at least 1.5 seconds. The radio goes into ALL SCAN  
mode, automatically scanning about 7 channels per second (and the priority  
channel once every 4 seconds). See Section 2.3.7 for an example.  
To lock out analways busy”channel when in ALL SCAN mode, press SKIP when the  
radio stops at that channel, An X appears for one second on the screen to indicate  
a locked out channel and then scanning resumes. Note that it is not possible to skip  
over the priority channel. See Section 2.3.8 for an example.  
When a signal is received in either PSCAN or ALL SCAN mode, scanning stops at  
that channel. The screen shows Rx and the signal strength. If the signal ceases for  
more than 4 seconds, the scan restarts.  
To cancel scanning, press SCAN again. Note that pressing 88/9 (the priority  
channel) also cancels scanning.  
+ CH -  
Channel Select. Also on the microphone. The current channel is shown on the  
screen in big digits.  
Press + or - repeatedly to step through the available channels one at a time, or  
hold down to scroll rapidly through the available channels at about 7 channels per  
second. See Appendix C for channel band frequencies.  
REJ  
Noise Rejection. Press REJ to activate the noise blanker circuit and reduce noise  
(e.g. from the engine spark plugs or alternator). The screen shows REJ to indicate  
that the noise blanker circuit is on. See Section 2.3.4 for an example.  
LOC  
Local Mode. Microphone only. Press to select Local mode. This reduces the receiver  
sensitivity and noise. The screen shows LOC to indicate that Local mode is active.  
Local mode can be useful in areas of high radio noise; for example, close to cities.  
Local mode is not recommended for use in open sea conditions.  
Press LOC again to return to normal sensitivity.  
BAT  
Battery Readout. Press BAT to display the voltage of the battery supplying the  
radio in big digits on the screen; e.g.12.6V is displayed as 12, then after 1 second,  
the display changes to .60. This cycle is repeated twice then the radio returns you  
to the most recent mode. See Section 2.3.5 for an example.  
SKIP  
Lockout a Channel. You can use this only in ALL SCAN mode, if desired, to skip  
over a channel that is always busy.  
When the busy channel is displayed on the screen, press SKIP to lock it out. The  
X symbol appears on the screen for one second by the channel number, then  
scanning resumes. See Section 2.3.8 for an example. You can lock out a maximum  
of 5 channels and the radio will remember them at startup.  
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NAVMAN MCB 7270 Marine CB 27 MHz Radio Operation Manual  
 
If you are not in scanning mode and select a locked out channel, X is displayed by  
the channel number on the screen. See Section 2.3.8 for an example.  
To unlock a channel, press SCAN to exit from any scanning mode (if necessary),  
select the locked out channel and then press SKIP. The X symbol disappears to  
show the channel is no longer locked out. See Section 2.3.8 for an example.  
PTT  
Press To Talk. Microphone only. Press PTT to transmit at any time on an allowable  
channel. This automatically stops scanning. See Section 2.3.3 for an example.  
You must release PTT to receive a signal. If it sticks, a built-in timer will automatically  
shut down a transmission after five minutes and sound the error beeps.  
2.2 Reset to Factory Defaults  
Use this to delete all your favourite channel settings, all your locked channels, and all your scan  
settings.  
1. Turn the radio off with VOL/PWR.  
2. Press and hold both SCAN and SKIP while you turn the radio on with VOL/PWR.  
The screen shows CL and the radio resets to the factory defaults.  
2.3 Sample Screens  
The following sections show typical screens and explain each example.  
2.3.1 Power Up Sequence Screens  
The left hand screen shows the startup screen that appears for 1.5 seconds after the radio is powered  
up.  
The startup screen is followed by a screen that shows the software version and then the most recent  
settings. In this example, the radio tunes to channel (86) in the marine (MB) channel band. The radio is  
receiving (Rx) at maximum signal strength.  
Startup screen  
Most recent settings  
2.3.2 Channel Band Selection Screens  
The left hand screen shows the radio set to receive (Rx) on the land (CB) channel band. The radio  
tunes to the most recently used channel. Noise rejection (REJ) is on and the signal strength is shown  
(SIGNAL).  
The right hand screen shows the radio receiving on CH 86 in the marine (MB) channel band.  
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NAVMAN MCB 7270 Marine CB 27 MHz Radio Operation Manual  
 
CB channel band  
MB channel band  
2.3.3 Transmission Screen  
The screen shows a 4W transmission (Tx) being made on marine (MB) channel band, priority channel  
88 (PRI).  
The signal strength is not shown for transmissions  
2.3.4 Noise Rejection Selection Screens  
The left hand screen displays the REJ symbol, indicating that the noise blanker circuit is on and noise  
reduction is active.  
The right hand screen does not show REJ, meaning that the noise blanker circuit is off.  
Noise rejection on  
Noise Rejection Off  
2.3.5 Battery Voltage Screens  
The battery voltage (BAT) is shown in big digits over two screens. In this example, a battery voltage of  
12.60V is displayed.  
The first screen displays the battery symbol (BAT) and the whole volts (12) reading for one second. After  
one second the next screen appears, showing BAT and the partial volts (.60) reading for one second.  
This cycle is repeated twice.  
Whole volts  
Partial volts (note the decimal point)  
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NAVMAN MCB 7270 Marine CB 27 MHz Radio Operation Manual  
 
2.3.6 Priority Channel Screens (Australia)  
The left hand screen shows the radio receiving (Rx) on the marine (MB) channel band priority (PRI)  
channel 88. The signal strength is at maximum, noise rejection mode (REJ) and local mode (LOC) are  
selected.  
The right hand screen shows the radio receiving on the land (CB) channel band priority (PRI) channel  
09.  
Priority channel 88  
Priority channel 09  
2.3.7 ALL SCAN Mode Screens  
The left hand screen shows the radio in ALL SCAN mode (SCAN) for the marine (MB) channel band.  
Noise rejection mode (REJ) and local mode (LOC) are selected.  
The right hand screen shows the radio stopped in ALL SCAN mode (SCAN) to receive (Rx) on Channel  
98 at the signal strength shown. The radio remains on this channel for 4 seconds and then resumes  
scanning (unless you press SCAN to cancel the ALL SCAN mode and remain on that channel).  
ALL SCAN mode  
Receiving in ALL SCAN mode  
2.3.8 Locked Out and Unlocked Channel Screens  
The left hand screen shows the radio in normal mode when a locked out channel has been selected.  
The X symbol appears next to the channel number to show that the channel is locked out.  
To unlock the channel, just press SKIP and the X symbol disappears (right hand screen).  
Locked Out (Normal)  
Unlocked (Normal)  
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NAVMAN MCB 7270 Marine CB 27 MHz Radio Operation Manual  
 
2.3.9 Store Favourite Channels Screens  
The screens show three favourite channels being stored on the marine (MB) channel band; Channel  
72 is favourite channel 1 (CH 1), channel 82 is favourite channel 2 (CH 2) and channel 86 is favourite  
channel 3 (CH 3).  
Three favourite channels can also be set for the land (CB) channel banks, giving a total of six stored  
favourite channels.  
Favourite CH 1  
Favourite CH 2  
Favourite CH 3  
2.3.10 PSCAN Working Channel Screen  
The screen shows the radio in PSCAN mode, set to scan (SCAN) one working channel on the marine  
(MB) channel band while automatically checking the priority channel once every 4 seconds (just like  
Dual Watch mode). Noise rejection mode (REJ) and local mode (LOC) are selected.  
2.3.11 PSCAN Favourite Channel Screen  
The screen shows the radio in PSCAN mode, set to scan (SCAN) favourite channel 1 (CH 1) on the  
marine (MB) channel band while automatically checking the priority channel once every 4 seconds  
(just like Dual Watch mode).  
Scan CH 1  
Scan priority channel  
Return to CH 1  
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NAVMAN MCB 7270 Marine CB 27 MHz Radio Operation Manual  
 
Appendix A - Technical Specifications  
GENERAL  
Compliance:  
AS4355 and AS4367  
Frequency range:  
Frequency stability:  
26.965 - 27.980 MHz  
.001%  
Phase locked loop  
Dual Watch, Favourite 3 Channel Scan, All Scan  
CH88/9 Recall  
LCD display (viewing area):  
LCD and microphone keys backlit  
Backlighting control:  
30 x 25 mm (black on silver)  
4 levels (OFF, LOW, MED, HIGH)  
Dimensions (without trunnion):  
Weight (with microphone):  
Waterproof level:  
162 x 75 x 157mm  
1.2kg  
JIS-7  
Built-in MCU Processor  
Built-in Speech Processor circuitry  
Last Channel memory  
SO-239 Annenna connector:  
Input voltage:  
Operating temperature range:  
Extension speaker cable with covered jack  
50Ω  
10.8 to 16.3V DC  
0ºC to 55ºC  
Fused DC power cable with quick disconnect terminals  
Reverse polarity protection  
TRANSMITTER  
RF output power at 12.6V DC:  
Modulator mode:  
4W maximum legal power  
AM (A3E)  
Modulation sensitivity:  
Hum & Noise:  
Current drain:  
60% modulation @ 1 Pascal (microphone)  
Better than 10% @ 60% modulation  
2.0 amps @ full modulation  
Better than -65dB  
Spurious & Harmonic Suppression:  
RECEIVER  
Dual Conversion Superhetrodyne  
Sensitivity:  
0.5uV for 12dB SINAD  
IF frequencies:  
Selectivity:  
Image rejection:  
Intermodulation rejection:  
SQ range:  
Audio output:  
Current drain:  
Spurious emissions:  
Hum & Noise:  
First: 10.7MHz; Second: 450KHz  
-36dB @ ±6KHz, -60dB@±10KHz  
70dB  
60db (20KHz channel specification)  
Tight = 10uV; Threshold = 0.3uV  
1W @ 16Ω, external 4W @ 4Ω  
800mA full volume, 350mA squelched  
-57dBm  
better than -50dB/1mV input  
Specifications are subject to change without notice.  
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NAVMAN MCB 7270 Marine CB 27 MHz Radio Operation Manual  
 
Appendix B - Troubleshooting  
1. The radio will not power up.  
A fuse may have blown OR there is no power getting to the radio unit.  
a) Check the power cable for cuts, breaks, or squashed sections.  
b) If the power cable is fine, replace the 3 Amp fuse (1 spare fuse is supplied).  
c) Check the voltage of the battery that supplies the radio (see BAT in Section 2.1). It should be at  
least 10.8V DC.  
2. The radio unit blows the fuse when the power is switched on.  
The power wires may have been reversed.  
a) Check that the red wire is connected to the positive battery terminal, and the black wire is  
connected to the negative battery terminal.  
3. The speaker makes popping or whining noises when the engine is running.  
Electrical noise may be interfering with the radio unit.  
a) Re-route the power cables away from the engine.  
b) Add a noise suppressor to the power cable.  
c) Use resistive spark plug wires and/or use an alternator whine filter.  
4. No sound from the external speaker.  
a) Check that the external speaker cable is physically connected.  
b) Check the soldering of the external speaker cable.  
5. BAT flashes continuously and a warning beep sounds.  
The power supply to the radio is too low.  
a) Press BAT to check the voltage of the battery that supplies the radio (see BAT in Section 2.1). It  
should be at least 10.8V DC.  
b) Check the alternator on the vessel.  
6. Poor reception or excessive noise interfering with the radio signal.  
The radio sensitivity and noise elimination capabilities may need adjusting. Section 2.1 provides  
basic information on adjusting squelch (SQL knob), noise rejection (REJ key) and local and normal  
sensitivity (LOC key). However, if you continue to have problems, try the following sequence:  
a) Ensure that LOC and REJ are both off (not shown on the LCD). Turn SQL to about halfway  
between the minimum and maximum settings.  
b) Turn SQL slowly clockwise (right) to reduce sensitivity. If this does not solve the problem, turn  
SQL anticlockwise (left) to about halfway again and continue to the next step.  
c) Press REJ to start noise rejection. Turn SQL slowly clockwise (right) to reduce sensitivity. If this  
does not solve the problem, turn SQL anticlockwise (left) to about halfway again and continue  
to the next step.  
d) Press LOC to switch into Local mode and reduce the radio sensitivity and range. Turn SQL  
slowly clockwise (right) to reduce sensitivity. If this does not solve the problem, the CB antenna  
may need to be moved for optimum performance in situations where the interference source  
cannot be isolated or eliminated.  
7. F1 is displayed when trying to transmit.  
The transmission power supply is too low or too high.  
a) Press BAT to check the battery voltage (see BAT in Section 2.1 for more information if necessary).  
It should be at least 10.8V DC.  
b) Check the alternator on the vessel.  
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NAVMAN MCB 7270 Marine CB 27 MHz Radio Operation Manual  
 
Appendix C - Radio Channels  
The MCB 7270 radio is a marine band (MB) radio that includes a land band (CB) capability. The MCB  
7270 radio should be installed in a boat and operated from a boat.  
The marine band (MB) should be used to communicate with other boats and coast guard stations. The  
land band (CB) should be used from the boat only to communicate with individuals or organisations  
based on the land.  
If you require a radio only for land-based communications, use a CB radio.  
C.1 MARINE (MB) FREQUENCIES  
CHANNEL  
FREQUENCY  
(MHz)  
TRAFFIC TYPE  
SHIP TO  
SHIP  
SHIP TO  
SHORE  
AUSTRALIA  
27.680  
68  
72  
82  
86  
Commercial & Charter. Calling and  
working.  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
27.720  
27.820  
27.860  
Professional fishing. Calling and  
working.  
Professional fishing. Calling and  
working.  
DISTRESS, safety and calling.  
Supplementary to 27.880  
88  
90  
27.880  
27.900  
DISTRESS, safety and calling.  
Yes  
No  
Yes  
Yes  
Non-commercial clubs & groups only.  
Calling and working.  
91  
94  
96  
98  
27.910  
27.940  
27.960  
27.980  
Non-commercial clubs & groups only.  
Calling and working.  
No  
Yes  
Yes  
Yes  
Yes  
Yes  
No  
Yes  
Non-commercial club events. Calling  
and working.  
Non-commercial organisations. Calling  
and working.  
Recognised Rescue Organisations (eg  
Surf Rescue). Calling and working.  
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NAVMAN MCB 7270 Marine CB 27 MHz Radio Operation Manual  
 
C.2 LAND (CB) FREQUENCIES  
Note 1: Do not transmit on CH16.  
(CH16 should be used only for  
a listening watch because it is  
reserved for transmissions that  
use SSB, not AM).  
CB CHANNEL  
FREQUENCY (MHz)  
AUSTRALIA  
26.965  
1
2
26.975  
3
26.985  
4
27.005  
5
27.015  
6
27.025  
7
27.035  
8
27.055  
9
27.065 (Emergency)  
27.075  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
27.085 (Calling)  
27.105  
27.115  
27.125  
27.135  
27.155 (see Note 1)  
27.165  
27.175  
27.185  
27.205  
27.215  
27.225  
27.255  
27.235  
27.245  
27.265  
27.275  
27.285  
27.295  
27.305  
27.315  
27.325  
27.335  
27.345  
27.355  
27.365  
27.375  
27.385  
27.395  
27.405  
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NAVMAN MCB 7270 Marine CB 27 MHz Radio Operation Manual  
 
Appendix D How to contact us  
Holland  
NORTH AMERICA  
Mexico  
Thailand  
BNT - Marine Electronics  
30 Sudbury Rd, Acton, MA 01720.  
Toll Free: +1 866 628 6261  
Fax: +1 978 897 8264  
web:www.navman.com  
Mercury Marine de Mexico  
Anastacio Bustamente #76  
Interior 6 Colonia Francisco Zarabia, Muang, Samutsakhon 74000, Thailand.  
Zapapan, Jalisco, C.P. 45236 Mexico.  
Ph: +52 33 3283 1030  
Fax: +52 33 3283 1034  
Thong Electronics (Thailand) Co. Ltd.  
923/588 Ta Prong Road, Mahachai,  
Navimo Holland  
Industrieweg 4,  
2871 JE Schoonhoven.  
Ph: +31 182 320 522  
Fax: +31 182 320 519  
United Kingdom  
Navimo UK  
Ph: +66 34 411 919  
Fax: +66 34 422 919  
Uruguay  
OCEANIA  
Australia  
Navman Australia Pty. Limited  
Suite 2, 408 Victoria Road  
Gladesville NSW 2111, Australia.  
Ph: +61 2 9879 9000  
Fax: +61 2 9879 9001  
Vietnam  
HaiDang Co. Ltd.  
Alvaro Bermudez, Nautica  
11300 Montevideo, Uruguay.  
Ph & Fax: +59 82 628 6562  
Hamilton Business Park  
Bailey Road, Hedge End  
Southhampton, Hants S030 2HE.  
Ph: +44 01489 778 850  
Fax: +44 0870 751 1950  
Sweden, Denmark, Finland and  
Norway  
763 Le Hong Phong St. Ward 12  
District 10, Hochiminh City, Vietnam  
Ph: +84 8 863 2159  
ASIA  
China  
Fax: +84 8 863 2524  
Peaceful Marine Electronics Co. Ltd.  
Guangzhou, Hong Kong, Dalian,  
Qingdao, Shanghai  
New Zealand  
Absolute Marine Ltd.  
MIDDLE EAST  
Lebanon and Syria  
Balco Stores  
Unit B, 138 Harris Road,  
East Tamaki, Auckland.  
Ph: +64 9 273 9273  
Fax: +64 9 273 9099  
1701 Yanjiang Building  
195 Yan Jiang Zhong Rd. 510115  
Guangzhou, China.  
Ph: +86 20 3869 8839  
Fax: +86 20 3869 8780  
Navimo Nordic  
Lundenvägen 2,  
473 21 Henån.  
Ph: +46 304 360 60  
Fax: +46 304 307 43  
Balco Building, Moutran Street,  
Tripoli (via Beirut). - Lebanon  
P.O. Box: 622.  
Ph: +961 6 624 512  
Fax: +961 6 628 211  
Papua New Guinea  
Lohberger Engineering,  
Lawes Road, Konedobu.  
PO Box 810, Port Moresby.  
Ph: +675 321 2122  
India  
Spain  
United Arab Emirates  
Access India Overseas Pvt. Ltd.  
A-98, Sector 21,  
Navimo España  
Kuwait, Oman, Iran, Saudi  
Arabia, Bahrain and Qatar  
Abdullah Moh’d Ibrahim Trading, opp  
Creak Rd. Baniyas Road, Dubai.  
Ph: +971 4 229 1195  
Polígono Industrial de Cabrera  
Plaza Industria, S/N  
08349 Cabrera de Mar  
Barcelona.  
Ph: +34 93 750 75 04  
Fax: +34 93 750 75 34  
Fax: +675 321 2704  
Noida - 201 301, India.  
Ph: +91 120 244 2697  
TeleFax: +91 120 253 7881  
Mobile: +91 98115 04557  
LATIN AMERICA  
Fax: +971 4 229 1198  
Argentina  
Costanera Uno S.A.  
Esmario Export Enterprises  
AFRICA  
South Africa  
Av Pte Ramón S. Castillo y Calle 13  
Zip 1425 Buenos Aires, Argentina.  
Ph: +54 11 4312 4545  
Fax +54 11 4312 5258  
e-mail:  
Block No. F-1, 3rd Floor, Surya Towers  
Sardar Patel Rd, Secunderbad 500 003.  
Ph: +91 40 2784 5163  
Fax: +91 40 2784 0595  
Portugal  
Pertec (Pty) Ltd (Coastal Division)  
16 Paarden Eiland Road.  
Paarden Eiland, 7405  
PO Box 527,  
Navimo Portugal  
Avenida de India N°40  
1300-299 Lisbon.  
Ph: +351 21 362 04 57  
Fax: +351 21 362 29 08  
Other countries in Europe  
Plastimo International  
Paarden Eiland, 7420  
Cape Town, South Africa.  
Ph: +27 21 508 4707  
Fax: +27 21 508 4888  
Korea  
Brazil  
Kumhomarine Technology Co. Ltd.  
#604-842, 2F, 1118-15, Janglim1-Dong,  
Saha-Gu, Busan, Korea.  
Equinautic Com Imp Exp de Equip  
Nauticos Ltda.  
Rua Ernesto Paiva, 139  
Clube dos Jangadeiros  
Porto Alegre - RS - Brasil  
CEP: 91900-200.  
Ph: +55 51 3268 6675  
+55 51 3269 2975  
Fax: +55 51 3268 1034  
e-mail:  
Ph: +82 51 293 8589  
Fax: +82 51 265 8984  
Maldives  
Maizan Electronics Pte. Ltd.  
Henveyru, 08 Sosunmagu.  
Male', Maldives.  
Mobile: +960 78 24 44  
Ph: +960 32 32 11  
Fax: +960 32 57 07  
15, rue Ingénieur Verrière BP435  
56325 Lorient Cedex, France.  
Ph: +33 2 97 87 36 59  
Fax: +33 2 97 87 36 29  
e-mail:  
HEADQUARTERS  
Navman NZ Limited  
13-17 Kawana St.  
Northcote.  
EUROPE  
France, Belgium and Switzerland  
Plastimo International  
15, rue Ingénieur Verrière,  
BP435,  
56325 Lorient Cedex.  
Ph: +33 2 97 87 36 36  
Fax: +33 2 97 87 36 49  
Realmarine  
Estrada do Joa 3862,  
Germany  
Barra da Tijuca, Rio de Janeiro, Brazil.  
CEP: 22611-020.  
Ph: +55 21 2483 9700  
Fax: +55 21 2495 6823  
Singapore and Malaysia, Brunei,  
Indonesia and Phillipines  
RIQ PTE Ltd.  
Blk 3007, 81 Ubi Road 1, #02-440,  
Singapore 408701.  
Ph: +65 6741 3723  
Fax : +65 6741 3746  
P.O. Box 68 155,  
Newton,  
Auckland,  
New Zealand.  
Ph: +64 9 481 0500  
Fax: +64 9 481 0590  
Navimo Deutschland  
15, rue Ingénieur Verrière  
BP435- 56325 Lorient Cedex.  
Ph: +49 6105 92 10 09  
+49 6105 92 10 10  
+49 6105 92 10 12  
Fax: +49 6105 92 10 11  
e-mail:  
Chile  
Equimar  
Manuel Rodrigurez 27  
Santiago, Chile.  
Ph: +56 2 698 0055  
Fax +56 2 698 3765  
Taiwan  
Seafirst International Corporation  
No. 281, Hou-An Road, Chien-Chen  
Dist. Kaohsiung, Taiwan R.O.C.  
Ph: +886 7 831 2688  
Italy  
Navimo Italia  
Nuova Rade spa, Via del Pontasso  
16015 Casella Scrivia (GE).  
Ph: +39 1096 80162  
5
Mera Vennik  
Colon 1148, Talcahuano,  
4262798, Chile.  
Fax: +886 7 831 5001  
Fax: +39 1096 80150  
Ph: +56 41 541 752  
Fax +56 41 543 489  
18  
NAVMAN MCB 7270 Marine CB 27 MHz Radio Operation Manual  
 
Designed in New Zealand  
Made in China  
MN000313A  
NAVMAN  
Lat 36° 48.404’S  
N13408  

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