Mode Functions; Microtalk ® Range; Call Button; Auto Squelch - Cobra PX500 Owner's Manual

To Adjust Volume
1. Rotate clockwise to increase the volume.
2. Rotate counterclockwise to decrease the volume.
Do not hold the radio close to your ear. If the volume is set to an
uncomfortable level, it could hurt your ear.

Call Button

Press and release the Call/Lock button.
Call Button
The other person will hear a three second call
tone. This tone is used only to establish voice
communications.

Auto Squelch

Your microTALK radio will automatically shut off weak transmissions and
®
unwanted noise due to terrain, conditions limit.

Lock Function

The Lock function locks the Up, Down and Mode
Lock Button
buttons to prevent accidental operation.
To turn the lock on or off:
– Press and hold the Call/Lock button for
two seconds.
A double beep sound is used to con rm your lock
Lock Icon
enabled. When in Lock mode, the Lock icon will be
displayed also.
microTALK Range
®
Your range will vary depending on terrain and
conditions.
In at, 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 Channels 8 through 14, your radio automatically
switches to low power, which will limit the range the
radio can communicate.
Operation

Mode Functions

Scrolling Through the Mode Function
By scrolling through the Mode function, you will be able to select or turn on
preferred features of your microTALK
Mode function, your radio features will be displayed in the same
predetermined order:
Channel
Mode Button
VOX on/off
VOX sensitivity
CTCSS code setting 38 codes for setting
DCS code setting

Privacy Codes

Your microTALK radio incorporates two advanced coded squelch systems
®
that can help to reduce interference from other users on any given channel.
CTCSS (Continuous Tone Coded Squelch System) provides 38 privacy codes
and DCS (Digitally Coded Squelch) provides 83 privacy codes. This provides
a total of 121 Privacy Codes. Either system can be used on all channels, but
both systems cannot be used on the same channel at the same time.
For ease of use and reduce interference from other users, the 22 channels of
your radio has been customized, see Channel and Default Privacy Code
Table.
5
radio. When scrolling through the
®
22 channels with default privacy code
On or off shown on LCD
5 levels
83 codes for setting
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