Cobra Electronics LI 3900DXC Two-Way Radio User Manual


 
Customer Assistance WarrantyIntroduction
5
Nothing Comes Close to a Cobra
®
Operation
4
English
Using Your Radio
Channels
To select a channel:
With the radio on, select any of the
22 channels by pressing the
Channel Up
or Channel Down button.
Both radios must be tuned to the
same channel to communicate.
Channels 1 through 7 are shared by FRS and
GMRS. Channels 8 through 14 are FRS only.
Channels 15 through 22 are GMRS only.
See page 25 for FRS/GMRS frequency
allocations and compatibility charts.
Listening for a Response
When you are finished talking:
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.
Call Button
To alert another person that you are calling:
Press and release the Call button.
The other person will hear a two second
call tone. This tone is used only to establish
voice communications.
See page 23 on how to select from
10 available call tone settings.
Low Power Icon
Hi Power Icon
Operation
Hi•Low Button
Selectable High•Low Power Output
When in close proximity to another party or
during favorable conditions, you can switch
from
High to Low Power to extend battery life.
This feature applies to GMRS Channels
1 through 7 and 15 through 22 only.
Channels 8 through 14 operate
exclusively on low power.
To toggle between high and low power:
Press and release the Hi•Low button.
When using Channels 1 through 7 and
15 through 22 on high power, the
Hi icon
will be visible on the display.
When using those channels on low power
and on Channels 8 through 14, the
Low icon
will be visible on the display.
Display Illumination
To illuminate your display:
Press and release the Light/Max Range
button to illuminate the display for
10 seconds.
Light/Max Range
Call Button
Listening
Channel Buttons
Channel Number