The Radio Controls (1) Power/Scan Button; Push-To-Talk (Ptt); Up Button; Down Button - TTI Freequency PMR-500TX Instruction Manual

Adaptor
Power Plug
6. The Radio Controls
(1) Power/Scan button
Press and hold the POWER button for at least
2 seconds. You will hear a confirmation tone to indicate
the radio is on. To turn the radio off, press and hold the
POWER button for at least 2 seconds.
Press this button briefly to activate or deactivate
scanning where appropriate.

(2) Push-To-Talk (PTT)

Press and hold this button to speak (transmit). Release
the button to listen (receive) messages.
You can only communicate with other PMR446 radios
when the channel and privacy code settings are the
same as yours.

(3) Up button

Pressing this button will increase the volume. In some
modes this button is used to adjust the function setting.

(4) Down button

Pressing this button will decrease the volume. In some
modes this button is used to adjust the function setting.
INPUT : AC 230V
OUTPUT : DC 6V
Red LED
* ON : Charging
* OFF : Charging finish
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