Cobra Digital Two Way Radio MT 900 User Manual

2-WAY RADIO  
M O D E L M T - 9 0 0  
ENGLISH  
belt clip  
Antenna  
ON-OFF/  
VOLUME  
switch  
backlit LCD  
display  
battery  
compartment  
TALK  
button  
intercom  
jack  
LIGHT/MAX  
RANGE  
button  
CHANNEL  
SELECT  
buttons  
LOCK  
tab  
battery  
charger  
pads  
ENTER  
button  
CALL  
button  
MODE  
button  
LOCK  
button  
intercom  
jack  
speaker/microphone  
belt  
clip  
TALK  
button  
LIGHT/MAX  
RANGE  
button  
external speaker/  
microphone jack  
 
OPERATION  
Battery Low  
Selecting a Channel  
Battery power is indicated by the segments appearing at  
the bottom of the LCD. As  
battery power decreases,  
fewer segments will be  
1. With the radio on, select any of the 8 channels by  
pushing the CHANNEL UP or CHANNEL DOWN button.  
(NOTE: Both radios must be tuned to the same channel  
to communicate.)  
visible. When the last  
segment begins to flash,  
the batteries should be  
recharged or replaced.  
CHANNEL  
SELECT  
button  
Auto Battery Save  
If there are no transmissions within 10 seconds, the unit will  
automatically switch to  
Battery Save mode and  
POWER SAVER will appear  
in the display. This will  
not affect the unit’s ability  
to receive incoming  
transmissions.  
Selecting a CTCSS Privacy Code  
CTCSS (Continous Tone Coded Squelch System) is an  
advanced tone coding system allowing you to select one of  
38 privacy codes to reduce interference from other users  
on the channel. (NOTE: If you are using a privacy code,  
both radios must be tuned to the same channel and privacy  
code to communicate. Each channel will remember the last  
privacy code you selected.) To select a privacy code:  
1. After selecting a main channel, press and release the  
MODE button. A small  
Turning On Your microTALK® Radio  
1. Rotate the ON-OFF/VOLUME switch clockwise to turn  
on the unit (and to adjust the volume). An audible tone  
will indicate that the radio is on.  
number will flash next to  
the channel in the LCD.  
MODE  
2. Push the CHANNEL  
button  
SELECT button up or down  
0N-OFF/  
VOLUME  
switch  
to select a privacy code.  
You can hold the button up  
or down for fast advance.  
3. When your desired  
privacy code is displayed,  
press and release the ENTER  
button.  
ENTER  
button  
2. Your microTALK® is now in Standby mode, ready to  
receive transmissions. The radio is always in Standby mode  
except when the TALK, CALL, or MODE buttons are pressed.  
Illuminating the  
Display  
LIGHT/MAX  
RANGE button  
1. Press and release the  
LIGHT/MAX RANGE button  
to illuminate the display for  
10 seconds.  
 
OPERATION  
maximum range. Buildings and foliage in the path of the  
signal can reduce the range. Dense foliage and hilly terrain  
will further reduce the signal.  
Calling Another Person  
To alert another person that  
you are calling:  
1. Press and release the  
CALL button. The other  
person will hear a 2-second  
ringing tone.You cannot send  
or receive transmissions during the 2-second call tone.  
CALL  
button  
Auto Squelch  
Your microTALK® radio is equipped with Auto Squelch,  
which automatically shuts off weak transmissions and  
unwanted noise due to terrain conditions or if you’ve  
reached your maximum range limit.  
Talking to Another Person  
Maximum Range Extender  
You can temporarily turn off Auto Squelch, allowing all  
signals to be received and extending the maximum range  
of your radio:  
1. Press and hold the TALK  
button.  
TALK  
button  
2. With the microphone  
about 5 cm (2 inches) from  
your mouth, speak in a  
normal voice.  
1. Press and hold the LIGHT/  
LIGHT/MAX  
MAX RANGE button for  
RANGE  
5 seconds. You will hear  
button  
3. Release the button when  
you have finished talking and  
listen for a response. You  
cannot receive incoming calls  
while pressing the TALK button.  
2 beeps indicating that  
Maximum Range Extender is on.  
2. To turn Maximum Range  
Extender off, press and hold the LIGHT/MAX RANGE button  
for 1 second, or change channels.  
“Roger Beep”  
Using the Lock Function  
The Lock function locks the CHANNEL, MODE and ENTER  
buttons to prevent accidental operation. To use the Lock  
function:  
1. While in Standby mode, press and hold the LOCK button  
for one second. The Lock icon will blink when the unit is  
locked. Buttons that are NOT locked are the CALL,  
LIGHT/MAX RANGE, and TALK buttons, which are all fully  
functional while the unit is locked.  
Confirmation Tone  
Your listener will hear an audible tone when you release the  
TALK button. This alerts the other party that you have  
finished talking and it is OK for them to speak.  
(NOTE: The Roger Beep can be turned off and on, see  
Advanced Features.)  
Listening for a Response  
When you have finished talking:  
1. Release the TALK button to receive incoming  
transmissions. The radio is always in Standby mode except  
when the TALK, CALL, or MODE buttons are pressed.  
2. Adjust the volume by rotating the ON-OFF/VOLUME switch.  
LOCK  
button  
microTALK® Range  
Your microTALK® radio has a range of up to 3 km  
(2 miles). Your range will vary depending on terrain and  
conditions. In flat, open country your radio will operate at  
 
2. To unlock buttons, press and release the LOCK  
button again. The Lock icon disappears and all buttons  
will be unlocked.  
OPERATION  
ADVANCED FEATURES  
3. Press and release the ENTER button to enter the new  
setting, or press the MODE button to enter the new setting  
and proceed to other functions.  
External Speaker/Microphone Jack  
Your microTALK® radio can be fitted with an external  
speaker/microphone (not included), freeing your hands for  
other tasks. See Accessories for optional accessories. To  
attach the external speaker/microphone:  
1. Open the SPKR/MIC tab on top of the unit.  
2. Insert the plug into the SPKR/MIC jack.  
ENTER  
button  
external  
speaker/  
microphone  
Setting the VOX Sensitivity Level  
You can set the VOX sensitivity level to fit the volume of  
your voice and avoid transmissions triggered by background  
noise. To set the sensitivity:  
1. Press the MODE button  
until the VOX icon flashes  
and the number for the  
current sensitivity level is  
displayed next to the letter  
L (level 5 = most sensitive,  
level 1 = least sensitive).  
2. Push the CHANNEL SELECT button up or down to  
change the setting.  
3. Press and release the ENTER button to enter the new  
setting, or press the MODE button to enter the new setting  
and proceed to other functions.  
SPEAKER/  
MICROPHONE jack  
Using the MODE button  
The MODE button allows  
you to use and program  
the various functions of  
your microTALK® radio. If  
you press and hold the  
MODE button, the LCD will  
MODE  
button  
cycle through the different functions.  
Using VOX Mode  
In VOX mode, your microTALK® can be used “hands-free,”  
automatically transmitting when you speak. To turn VOX  
mode on and off:  
Programming Memory Locations  
Your microTALK® radio has 10 memory locations (0-9)  
for storing your most frequently used channels and privacy  
codes. To program locations:  
1. Press the MODE button until the VOX icon flashes and  
the current setting (“on” or “off”) is displayed.  
1. Push the MODE button until the Memory icon and the  
memory location flashes.  
2. Push the CHANNEL SELECT button up or down to turn  
VOX mode on or off.  
2. Select the memory location you wish to change by  
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ADVANCED FEATURES  
3. Press and release the MODE button again. The Memory  
icon and the main channel number will flash.  
4. Select the main channel you wish to store by pushing  
the CHANNEL SELECT button up or down.  
To scan main channels:  
1. Press the MODE button until the Scan icon and main  
channel number flashes.  
5. Press the MODE button again to store the main channel  
in memory and move to privacy code selection. The privacy  
code number begins flashing and the Memory icon  
continues to flash.  
2. Push the CHANNEL SELECT button up or down and the  
unit will begin scanning the main channels. (NOTE: The  
unit “ignores” privacy codes while scanning main  
channels.)  
3. The radio will continue to scan all main channels and  
stop if an incoming transmission is detected. The unit will  
remain on that channel for 10 seconds. During that time  
you can:  
a) Press and hold the TALK button and talk. The radio will  
remain on that channel and return to Standby mode.  
b) Push the CHANNEL SELECT button up or down to resume  
scanning main channels.  
6. Select the privacy code (0-38) you wish to store by  
pushing the CHANNEL SELECT button up or down.  
7. Press the TALK button to transmit on your selected  
channel and privacy code, which will be stored into the  
memory location you are using.  
8. Press and release the ENTER button to return to Standby  
mode at your new memory location, or press and release  
the MODE button to save the memory location and proceed  
to other functions.  
c) Press the MODE button to proceed to privacy code  
scanning. (See below.)  
If you do not press any button within 10 seconds, the radio  
will automatically resume scanning main channels.  
Recalling Memory Locations  
To recall a channel you have stored in a memory location:  
1. Press the MODE button  
To scan privacy codes:  
1. While in Standby mode, press the CHANNEL SELECT button  
up or down to choose the main channel you wish to scan.  
2. Press the MODE button until the Scan icon and the  
privacy code number flashes.  
until the Memory icon and  
a memory location flashes.  
2. Select your desired  
MODE  
button  
memory location by pushing  
the CHANNEL SELECT button  
up or down. Your radio will stay at this memory location  
until you exit Memory Function mode by pressing the  
ENTER button.  
3. Repeat step 2 to recall other memory locations.  
Using the Scan Function  
Your microTALK® radio can automatically scan main  
channels (1-8), the privacy codes (0-38) within one main  
3. Push the CHANNEL SELECT button up or down and the  
unit will begin scanning privacy codes within the main  
 
channel you selected.  
channel, or memory locations.  
ADVANCED FEATURES  
4. The radio will continue to scan privacy codes and stop if  
an incoming transmission is detected. The unit will remain  
on that code for 10 seconds. During that time you can:  
a) Press and hold the TALK button and talk. The radio will  
remain on that channel and return to Standby mode.  
b) Push the CHANNEL SELECT button up or down to resume  
scanning privacy codes.  
flashes and the current setting (Vibra + Ring, Vibra Only, or  
Ring Only) is displayed.  
Vibra + Ring  
Vibra Only  
Ring Only  
c) Press the MODE button to proceed to memory location  
scanning. (See below.)  
If you do not press any button within 10 seconds, the  
radio will automatically resume scanning privacy codes.  
2. Push the CHANNEL SELECT button up or down to  
change the ring setting.  
3. Press and release the ENTER button to enter the new  
setting, or press the MODE button to enter the new setting  
and proceed to other functions.  
To scan memory locations:  
1. Press the MODE button until the Scan icon, Memory  
Location icon and memory location number flashes.  
Using Private Call Voice Scrambling  
With Private Call turned on, your microTALK® radio  
automatically scrambles the voice signal to allow private  
communication. (NOTE: Both radios must have Private  
Call turned on for transmissions to be scrambled and  
unscrambled.) To use Private Call:  
1. Press the MODE button until the Private icon flashes  
and the current setting (“on” or “off”) is displayed.  
2. Push the CHANNEL SELECT button up or down and the  
unit will begin scanning memory locations.  
3. The radio will continue to scan all memory locations  
and stop if an incoming transmission is detected. The unit  
will remain on that location for 10 seconds.  
During that time you can:  
a) Press and hold the TALK button and talk. The radio will  
remain on that channel and return to Standby mode.  
b) Push the CHANNEL SELECT button up or down to resume  
scanning memory locations.  
c) Press the MODE button to proceed to other functions.  
If you do not press any button within 10 seconds, the  
radio will automatically resume scanning memory locations.  
2. Push the CHANNEL SELECT button up or down to turn  
Private Call on or off.  
3. Press and release the ENTER button to enter the new  
setting, or press the MODE button to enter the new setting  
and proceed to other functions.  
Setting Dual Watch  
Using Call Tones and VibrAlert™  
Your microTALK® radio can alert you to incoming signals by  
sounding an audible call tone, by vibrating silently, or both.  
To change ring settings:  
Dual watch allows you to simultaneously monitor any two  
channels/privacy codes you select.  
To program Dual Watch:  
1. Select the first channel and privacy code you wish to  
1. Press the MODE button until the Ring Setting icon  
 
monitor (see Operation).  
ADVANCED FEATURES  
2. Press the MODE button  
2. To turn keystroke tones  
back on, press and hold  
the ENTER button for 5  
until the Dual Watch icon  
flashes.  
3. Push the CHANNEL  
seconds again. A double  
beep will sound and the  
Beep icon will appear.  
SELECT button up or  
down to select the second  
channel you wish to monitor.  
(NOTE: The unit must not  
be in Lock mode during these steps.)  
4. Press the MODE button. The privacy code flashes.  
5. Push the CHANNEL SELECT button up or down to select  
the second privacy code.  
6. Press and release the ENTER button to store the second  
channel/privacy code and engage Dual Watch.  
7. To terminate Dual Watch and return to normal Standby  
mode, press and release the ENTER or TALK button.  
Changing Call Tone Settings  
You can choose from five different call tone settings to  
alert you when someone is calling. To select a call tone  
setting:  
1. With the power turned off, press and hold the CALL  
button as you turn the power on. The number of the  
current call tone setting will flash and the tone will sound  
for one second.  
Turning Roger Beep Off and On  
With Roger Beep turned on, your listener will hear an  
audible tone when you release the TALK button. To change  
Roger Beep mode:  
2. Push the CHANNEL SELECT button up or down to hear  
the other call tone settings.  
1. Press the MODE button  
3. With the number of your desired call tone setting  
displayed, press and release the TALK button or ENTER  
button. Your selection will be entered.  
until the Roger Beep icon  
flashes and the current  
setting (“on” or “off”)  
is displayed.  
2. Push the CHANNEL  
SELECT button up or down  
4. If no buttons are pushed for 15 seconds, the unit will  
automatically enter the last call tone pattern that was  
displayed.  
Intercom  
to turn Roger Beep on or off.  
3. Press and release the ENTER button to enter the new  
setting, or press the MODE button to enter the new setting  
and proceed to other functions.  
With the optional intercom adapter and two external  
speaker/microphone attachments, a single microTALK®  
radio can be used as an intercom system. (Ideal for  
motorcyclists.)  
Turning Keystroke Tones Off and On  
With Keystroke Tones turned on, your unit will sound  
beeps each time you press a button or change a setting.  
To change Keystroke Tones mode:  
1. Press and hold the  
ENTER button for 5 seconds ENTER  
to turn keystroke tones off.  
A double beep will sound  
and the Beep icon will  
disappear.  
button  
 
ACCESSORIES  
For accessory orders, warranty and customer service  
information, please contact your local dealer.  
Lapel Speaker/  
Microphone  
MA-SM  
Replacement  
Belt Clip  
PA-BC2  
NiMH Rechargeable  
Battery Pack  
FA-BP  
Vox Headset Mic  
MA-VOX  
Ear Bud Mic with PTT  
MA-EBM  
©2002 Cobra® Electronics Corporation  
6500 West Cortland Street  
!
0681  
Chicago, IL 60707 USA  
For use in EU countries subject  
to local laws and regulations.  
 
DECLARATION OF CONFORMITY  
This declaration is the responsibility of the manufacturer/importer  
Cobra® Electronics Europe Limited  
Dungar House  
Northumberland Avenue  
Dun Laoghaire  
County Dublin, Ireland  
This certifies that the following designated product  
PRIVATE MOBILE RADIO: MT 900  
(Product Identification)  
complies with the essential protection requirements of R & TTE Directive 1999/5/EC on the approximation of  
the laws of the Member States relating to Radio Spectrum Matters, EMC and Electrical Safety.  
This declaration applies to all specimens manufactured in accordance with the attached technical documentation  
described in Annex II of the Directive which forms part of this declaration.  
Assessment of compliance of the product (class 2.6) with the requirements relating to the essential requirements  
according to Article 3 R & TTE was based on Annex IV of the Directive 1999/5/EC and the following standards:  
EN 300 296-2 v.1.1.1 (02/01)  
Radio Spectrum:  
EMC:  
....................................................................................  
(Identification of regulations/standards)  
EN 301 489-5 (07/2000)  
....................................................................................  
(Identification of regulations/standards)  
EN 60065: 1998  
Electrical Safety:  
DUBLIN, IRELAND  
....................................................................................  
(Identification of regulations/standards)  
MIKE KAVANAGH  
 

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