Cobra LI 3900DX, Owner'S Manual

Page: 7 / 19

Customer Assistance Warranty Introduction
7 Nothing Comes Close to a Cobra ®
Operation
Speaker/Microphone/Charge Jack
•
Your microTALK ® radio can be fitted with an external Speaker/Microphone ,
freeing your hands for other tasks. This same jack also serves as the
connecting point for an optional wall charger/adapter.
To attach a speaker/microphone:
1. Open the speaker/microphone/charge
tab on top of your microTALK
® radio.
2. Insert the plug into the speaker/
microphone/charge jack.
To connect a wall charger/adapter:
1. Open the speaker/microphone/charge
tab on top of your microTALK
® radio.
2. Insert the wall charger/adapter plug
into the speaker/microphone/charge jack.
Signal Strength Meter
•
Your microTALK ® radio has a Signal Strength
Meter that shows the strength of your incoming
and outgoing transmissions. The ascending bars
next to the signal strength indicate the strength
of the signal. The greater the number of bars
visible, the stronger the signal. The fewer
number of bars visible, the weaker the signal.
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.
On FRS channels 8 through 14, your radio
automatically switches to low power, which
will limit the range the radio can communicate.
Remember, you can achieve maximum
range by using maximum range
extender. See page 6 for details.
6
English
Using Your Radio
Auto Squelch/Maximum Range
•
Your microTALK ® radio is equipped with Auto Squelch , which
automatically shuts off weak transmissions and unwanted noise
due to terrain and conditions. This slightly reduces the Maximum
Range at which signals can be heard.
You can turn off auto squelch to allow all signals to be
received and extend the maximum range of your radio.
To briefly turn off auto squelch:
– Press the Light/Max Range button
for less than five seconds.
If you hear two beeps, you have turned
the maximum range extender
on (see below).
To turn maximum range extender on:
– Press and hold the Light/Max Range button
for at least five 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 Feature
•
The Lock feature locks the Channel , Mode , Hi•Low and Power
buttons to prevent accidental operation.
To turn the lock feature on or off:
– Press and hold the Lock/Enter 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.
Operation
Speaker/Microphone/
Charge Jack
Signal Strength
Reduced Range
Reduced Range
Maximum Range
Lock Mode
Lock/Enter Button
Light/Max Range