To switch your PMR ON & OFF
To switch the PMR ON.
Press and hold the ON/OFF button until the channel number is displayed and you hear a beep.
To switch the PMR OFF
Press and hold the ON/OFF button until the display goes blank.
You hear a musical tone each time to confirm.
Volume control
To adjust the loudspeaker volume
c
Press the UP or DOWN button.
The volume level is shown by the bars on the display. You can change the volume either while you're using your
d
TRX 4000 handset, or while the handset is idle (switched on but not in Use).
Changing the channels and sub-channels
TRX 4000 has eight channels, numbered 1to8. To communicate with other PMR users within range, you must all have your
PMR tuned to the same channel.
Press the MENU button once
MENU
The current channel number flashes on the display
c
Press the UP or DOWN buttons to go to the channel you want
d
Press the PTT button to confirm the channel setting.
PTT
Each channel also has 38 sub-channels (sometimes call CTCSS codes) letting you set up groups of users within
the same channels, for more private communication. If you have set sub-channel, you can communicate only with
other users tuned to the same channel and sub-channel.
To turn the sub-channel function off,
simply set the sub-channel to 0 (zero). Then you can communicate with any PMR user on the same channel who also
turned off sub-channel operation (or whose PMR handset does not have the feature).
Press the MENU button twice
MENU
The current sub-channel number flashes on the display.
c
d
Press the UP or DOWN button to go to the sub-channel you want
Press the PTT button to confirm the sub-channel setting.
PTT
To speak to another handset user
Press and hold the PTT button so that the Transmitting symbol (
PTT
Speak clearly into the microphone, in a normal tone - don't shout
When you're finished speaking, release the PTT button.
To listen to another handset user
Make sure you are not pressing the PTT button.
Receiving symbol (
) is shown on the display when the other person is speaking. Don't try to transmit until they have
finished.
Monitoring the current channel
Normally the TRX 4000 will not pick up very weak signals. But you can monitor the current channel for all sounds.
To activate monitoring feature
Press the MENU and DOWN buttons at the same time.
MENU
The receiving symbol (
d
Your handset will pick up any signals on the current channel, including background noise.
Press the MENU button to stop monitoring.
MENU
) appears on the display.
) appears on the LCD panel.
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