6
5.4. Button Lock
Press and hold the MENU button (
LOCK mode. The BUTTON LOCK icon is displayed on the LCD Screen.Press and hold the
MENU button (
) again to deactivate BUTTON LOCK
5.5. VOX Selection
The PMRS is capable of voice activated (VOX) transmission. In VOX mode, the radio will
transmit a signal when it is activated by your voice or other sound around you. VOX
operation is not recommended If you plan to use your radio in a noisy or windy
environment.
1. Press the MENU button (
2. Press the UP button ( ) to turn the VOX feature ON, or press the DOWN button ( ) to
turn the VOX feature OFF.
3. In the VOX mode, the VX icon will be displayed.
4. To confirm your selection and return to the NORMAL mode, press the TALK button.
5. To confirm and shift to the next option, press the MENU button.
NOTE: To save power, the unit will not turn ON the LCD Screen light when in the VOX mode.
5.6. Channel Scan
CHANNEL SCAN performs searches for active signals in an endless loop from channel 1 to
8.
1. Press the SCAN S button to activate CHANNEL SCAN.
2. When an active signal (one of 8 channels) is detected, CHANNEL SCAN pauses and
you will hear the active signal.
3. Press the TALK button to communicate through the active signal channel and
CHANNEL SCAN is deactivated.
4. When an active signal (one of 8 channels) is detected, press the UP ( ) or DOWN
button ( ) to bypass the current channel and continue to search for another active
channel
5. Press the SCAN button to deactivate CHANNEL SCAN mode.
5.7. Battery Charge Level/Low Battery Indication
• The BATTERY CHARGE LEVEL is indicated by the number of squares present inside
the BATTERY icon on the LCD Screen.
• When the BATTERY CHARGE LEVEL is low, the BATTERY icon will flash to indicate
that the batteries need to be replaced or recharged.
All manuals and user guides at all-guides.com
) for 5 seconds to activate or deactivate the BUTTON
) 3 times, the VX icon will blink on the LCD Screen.
Topcom TwinTalker 3500