Using your radio – Cobra Electronics PR3550WX User Manual
Page 5
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Introduction
5
Nothing comes close to a Cobra
®
Operation
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4
English
Using Your Radio
Volume
•
To adjust the volume:
1. Rotate the On/Off Volume knob.
Call Button
•
To alert another person that you are calling:
1. 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 19 on how to select from
10 available call tone settings.
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:
1. Press and hold the Enter/Hi•Low button for
two seconds.
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:
1. Press and release the Light/Max Range
button to illuminate the display for
10 seconds.
Low Power Icon
Hi Power Icon
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Enter/Hi•Low Button
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:
1. 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:
1. 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:
1. Press and release the Light/Max Range
button or change channels.
Lock Feature
•
The Lock feature locks the Channel, Mode/Lock and Enter/Hi•Low
Power buttons to prevent accidental operation.
To turn the lock feature on or off:
1. Press and hold the Mode/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.
Light/Max Range
Light/Max Range
Mode/Lock Button
Lock Mode
Volume Knob
Call Button
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