MicroTALK® Range
Your range will vary depending on terrain and conditions.
In flat, open country your radio will operate at maximum range.
Buildings and foliage in the path of the signal can reduce the
range of the radio.
Dense foliage and hilly terrain will further reduce the range of the
radio.
External Speaker/Microphone/Charge Jack
Your micoTALK® radio can be fitted with an optional external
speaker/microphone (not included), freeing your hands for other
tasks.
To attach an external speaker/microphone or charger:
1. Open the charge tab at the top of the radio.
2. Insert the plug into the jack.
NOTE: Excessive sound pressure from earphones and headphones can cause hearing
loss.
Auto Squelch/Maximum Range
Your microTALK® radio will automatically shut off weak transmissions and unwanted
noise due to terrain, conditions or if you’ve reached your Maximum Range limit.
You can temporarily turn off auto squelch or turn on maximum range extender, allowing
all signals to be received and extending the maximum range of your radio.
To temporarily turn off auto squelch:
Press the Light/Max Range button for less than five seconds.
To turn maximum range extender on:
-Press and hold the Light/Max Range button for at least seven
seconds until you hear two beeps which indicates the maximum
range extender is on.
To turn maximum range extender off:
-Press and release the Light/Max Range button or change
channels.
Lock Function
The Lock function locks the Channel Up, Channel Down,
Volume Up, Volume Down and Mode/Power buttons to prevent
accidental operation.
To turn the lock on or off:
– Press and hold the Lock button for two seconds.
A double beep sound is used to confirm your lock on or off
request. When in Lock mode, the Lock icon will be displayed.
To Adjust Volume
Press the Volume Up or Volume Down button. A double beep
sound is used to indicate the minimum and maximum volume
levels (1 through 8).
Call Button
Press and release the Call button.
The other person will hear a four second call tone. This tone is
used only to establish voice communications.
To Illuminate Display
Press and release the Light/Max Range button to illuminate the
display.
Communicating with Another Person
1. Press and hold the Talk button.
2. With the microphone about two inches (5 cm) from your mouth,
speak in a normal voice.
3. Release the Talk button when you are finished talking and
listen for a response.
You cannot receive incoming calls while pressing the Talk button.
To Select a Channel
With the radio on, select any of the 8 channels by pressing the
Channel Up or Channel Down button.
Listening for a Response
Release the Talk button to receive incoming transmissions. Your
microTALK® radio is always in Standby mode while the Talk or
Call buttons are not pressed.
Turning on Your microTALK® Radio
Press and hold the Mode/Power button until you hear a series of
audible tones indicating the radio is on.
Your microTALK® radio is now in Standby mode, ready to receive
transmissions. The radio is always in Standby mode except when
the Talk, Call or Mode/Power buttons are pressed.
Battery Status Indicator
The battery charge status is shown on the display. Four bars
indicates fully charged.
Battery Low
When battery power is low, the final bar in the Battery Low icon
will blink and an audible tone will sound twice before the radio
shuts off. Your batteries should be replaced or recharged, if using
rechargeable batteries.
Auto Battery Save
If there are no transmissions within 10 seconds, the radio will
automatically switch to Power Save mode and the Power Saver
icon will flash in the display. This will not affect the radio’s ability
to receive incoming transmissions.
Product Information
This microTALK® radio has been
manufactured to meet all required standards
for radio equipment using PMR 446
frequencies as authorized. The use of this
two-way radio product involves the public
airways and its use may be subject to local
laws or regulations. Contact your radio
licensing authority for more information.
Caring for Your Radio
Your microTALK® radio will give you years of
trouble-free service if cared for properly.
Here are a few suggestions:
• Handle the radio gently.
• Keep it away from dust.
• Never put the radio in water or in a damp
place.
• Avoid exposure to extreme temperatures.
1
6
5
14
13
12
15
4
3
7
2
10
8
11
9
10 9 8
7
6
5
4
11
1
2
3
2 3
Operation Using Your Radio
4
5
CALL
MODE
SCAN
Mode/Power
Talk Button
Listening
6 7
VOLUME
Volume Button
Volume Level
VOLUME
CALL
MODE
CHANNEL
SCAN
Call Button
Light/Max Range
Light/Max Range
Lock Icon
CALL
MODE
Lock Button
8
Radio Controls
and Indicators
1. Antenna
2. External Speaker/
Microphone/Charge Jack
3. Mode/Power Button
4. Scan Button
5. Channel Up/Down Buttons
6. Backlit LCD Display
7. Speaker/Microphone
8. Volume Up/Down Buttons
9. Light/Max Range Button
10. Talk Button
11. Call/Lock Button
12. Wrist Strap Connection
13. Belt Clip
14. Battery Compartment
15. Battery Door Latch
TWO-WAY RADIO MODEL
AM645 KEM-ML38306B
Nothing Comes Close to a Cobra® Eng lish
Features
• 8 Channels*
• 121 Privacy Codes
(38 CTCSS codes/83 DCS codes)
• Hands-Free Operation (VOX)
• Scan Channels, privacy codes
• Backlit LCD Display
• Call Alert Five selectable tones
• Button Lock
• Speaker/Microphone/ Charge
Jack
• Roger Beep Selectable On/Off
• Battery/Power Saver
• Keystroke Tones
• Battery Level Indicator
• Auto Squelch
• Maximum Range Extender
• Belt Clip
1. Battery Level Indicator
2. VOX Icon
3. Scan Icon
4. Roger Beep Icon
5. Lock Icon
6. Key Stroke Icon
7. DCS/CTCSS Icons
8. DCS/CTCSS Privacy
Code Numbers
9. Power Saver Icon
10. Channel Numbers
11. Receive/Transmit
Icon
* You are not allowed to use channels 1 and 2 in France.
This situation can change; please contact the French radio licensing
authority for more information.
Installing Batteries
To install or replace batteries:
1. Remove belt clip by releasing belt clip latch and sliding clip up.
2. Pull up on the battery door latch to remove the battery compartment
cover.
3. Insert the supplied three AA rechargeable batteries or non-recharge-
able alkaline batteries. Position batteries according to polarity
markings.
4. Replace battery compartment cover and belt clip.
• Do not attempt to charge alkaline batteries.
• Do not mix old and new batteries.
• Do not mix alkaline, standard (carbon-zinc), or rechargeable (Ni-Cd,
Ni-MH, etc.) batteries.
Caution – Risk of fire or explosion if battery is replaced by an incorrect
type.Dispose of used batteries according to the instructions.
To charge batteries in radio:
1. Check to see that the batteries have been inserted properly.
2. Insert the cable into the charge jack located at the top of the radio.
3. Plug the cable into USB-compatible power port.
Use only the supplied rechargeable batteries and charger for recharging your Cobra
microTALK® radio.
The radio is not intended to be used while being charged.
Non-rechargeable alkaline batteries can also be used in your radio.
Maximum/Minimum Operating Range: -20°C to +45°C.
Maximum SAR values: 0.798 W/kg for FM 12.5KHz (Body Worn).
Frequency Band: 446MHz.
Average and maximum radio-frequency power: 220mW.
Radio Char ger Jack
Insert Batteries
Pull Up Lock Latch
Remove Belt Clip
Quick Start
1. Press and hold the Mode/Power button to turn on your radio.
2. Press the Channel Up or Channel Down button to select a channel.
3. Press and hold the Talk button while speaking into the microphone.
4. When finished talking, release the Talk button and listen for a response.
Both radios must be tuned to the same channel/priv acy code to communic ate.
Battery Charge
Status
Battery Low
Battery Save Mode
The radio will display flashing battery icon
while charging if the radio is on.
Using Your Radio
Using your radio (continued on back side)
Both radios must be tuned to the same
channel to communicate.
Both radios must be tuned to the same
channel to communicate.
See page 12 on how to select
between five call tone settings.
Two Inche s (5cm)
from Mouth
CHANNEL
Channel Button
Channel Number
CH
ANNEL
CALL
VOLUME
MODE
Maximum Range
Reduced Range
CH
ANNEL
CALL
VOLUME
MODE
Reduced Range
Remember, you can achieve maximum range by
using maximum range extender. See page 6 for
details.
Radio C harger J ack