Operation; Switching On; Switching Off; Channel Selection - ACR Electronics SR203 Product Support Manual

Operation

3.
Ensure the radio is fitted with a charged battery before commencing use. The
primary battery will have the tab intact indicating that it has full capacity.

Switching On

3.1.
Press the key to turn the SR203 on. The LCD will start showing information, with
channel 16 as the selected channel.

Switching Off

3.2.
Press and hold the
3 second countdown, then the LCD will go blank.

Channel Selection

3.3.
Pressing the ▲ or ▼ keys will scroll through the available channels. Release the
key when the required channel is displayed.
channels and Section 4 for details of how to switch between channel sets)

Channel 16 selection

3.4.
Pressing the 16 key will select channel 16 at high power. Pressing the 16 key again
will revert to the previous channel.
Pressing and holding the 16 key until a double beep is heard will select the
designated CALL Channel. (See Menu section for setting the CALL channel)
Pressing and holding the 16 key until a triple beep is heard will set the current
channel as the CALL channel. (Also see Menu section for setting the CALL channel)

Transmitting

3.5.
Press the PTT key on the side of the radio to transmit. The microphone is located
under the speaker grille. Release the key when you have finished talking.
Note: It is good practice to keep transmissions as short as possible.
discharge and ensure that you are not interfering with other users of the channel.
Note: Ensure the correct channel is selected and that there is no other transmission audible before
pressing the PTT to avoid interference with other users

Volume Adjustment

3.6.
To adjust the volume level in the speaker, press the VOL key. The ▲ or ▼ keys
may now be used to adjust the volume Up or Down respectively. After two seconds
of inactivity the operation of the selection keys will revert to channel change.

Squelch Adjustment

3.7.
To adjust the volume level in the speaker, press the SQ key. The ▲ or ▼ keys may
now be used to adjust the Squelch Up or Down respectively. After two seconds of
inactivity the operation of the selection keys will revert to channel change.
key for 3 seconds to turn the radio off. The display will show a
7
(See Section 6.4 for the available
This will minimise battery
Y1-03-0253 Rev C