Cobra Electronics PR3100DX - Manual (Page 7)

Customer Assistance Warranty Introduction
9 Nothing comes close to a Cobra ™
Operation
8 English
Mode Functions
CTCSS Privacy Codes
•
CTCSS (Continuous Tone Coded Squelch System) is an advanced
tone coding system allowing you to select one (1) of 38 privacy
codes to reduce interference from other users on the channel.
If you are using a privacy code, both radios must
be tuned to the same channel and privacy code to
communicate. Each channel will remember the last
privacy code you selected.
To Select A Privacy Code:
1. After selecting a channel, press the Mode
button until the small numbers next to the
channel number flashes on the display.
2. Press the Channel Up or Channel Down
button to select a privacy code. You can hold
the Up or Down button for fast advance.
3. When your desired privacy code is displayed,
choose one (1) of the following:
a. Press the Mode button to enter the new
setting and proceed to other functions.
b. Press the Lock button to enter the new
setting and return to Standby mode.
c. Do not press any buttons for 15 seconds
to enter the new setting and return to
Standby mode.
Operation
Voice Activated Transmit (VOX)
•
In VOX mode, your microTALK ® radio can be used “hands-free,”
automatically transmitting when you speak. You can set the VOX
sensitivity level to fit the volume of your voice and avoid
transmissions triggered by background noise.
To Turn VOX Mode On Or Off:
1. Press the Mode button until the VOX icon
flashes on the display. The current On or Off
setting is displayed.
2. Press the Channel Up or Channel Down
button to turn VOX On or Off.
3. Choose one (1) of the following:
a. Press the Mode button to enter the
selected On or Off setting and proceed
to other functions.
b. Press the Lock button to enter the
selected On or Off setting and return
to Standby mode.
To Set The Sensitivity:
1. Press the Mode button until the VOX icon
flashes and the current sensitivity level is
displayed.
The current sensitivity level is displayed
with letters “LE” and a Number 01
through 05, with Number 05 being the
most sensitive level and Number 01
being the least sensitive level.
2. Press the Channel Up or Channel Down
button to change the setting.
3. Choose one (1) of the following:
a. Press the Mode button to enter the selected
setting and proceed to other functions.
b. Press the Lock button to enter the selected
setting and return to Standby mode.
Mode Button
Channel Button
Privacy Code
VOX Sensitivity Level
Mode Button
Channel Button
VOX Icon
Mode Button
Channel Button
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