Basic operations
background noise when no signal is being picked up. You can regu-
late the threshold of device activation.
1) Press the
button to access the command menu, then use the
buttons to highlight the Radio Param option.
2) Press the
button once more to view the available sub-menus,
then
until the sub-menu Squelch (adjustment of squelch
levels) is highlighted.
3) Press
to access the sub-menu. SQUELCH will appear on the
display, and a horizontal bar will show the level of squelch inter-
vention currently being used.
4) Hold down the
button until the background noise is continuous.
5) Now press the
button to gradually increase the level of squelch
intervention, stopping as soon as the noise disappears.
6) Wait for a few seconds to ensure the noise has disappeared stably.
7) Exit the sub-menu by pressing the F4/ESC button, then press it
a second time to exit the main menu and return to the standby
screen.
Be careful not to set the squelch level too high: you may not be
able to receive weak signals.
6.6 Monitor
The monitor function is mainly used for two purposes:
• Toallowforreceptionofextremelyweaksignals.
• TotemporarilydisabletheCTCSS/DCSand/orselectivecallingto
allow you to listen to all communications on the tuned channel,
including those outside your network.
Each time the monitor function is activated, will appear on the
display.
6.6.a Monitor from the menu
1) Press the
button to access the command menu, then use the
buttons to highlight Radio Param (radio parameters)
from the menu.
2) Press
to view the sub-menus available and until the
Monitor sub-menu is high lighted.
3) Press
to insert beside Monitor. This indicates that the moni-
tor function is active.
4) Exit the sub-menu by pressing the F4/ESC button, then press it
a second time to exit the main menu and return to the standby
screen.
6.6.b Monitor using the microphone
If the monitor function has been activated (hang-up), you will activate
it each time you remove the microphone from its mount.
6.7 Transmission
1) Remove the microphone from its mount.
2) Ensure the channel is unoccupied (otherwise you will create inter-
ference), and verify the status LED is off or ashing orange.
3) Hold down the push to talk (PTT) button on the hand-held micro-
phone. The status LED [8] to the right of the display will light up in
red to conrm that you are transmitting.
4) Speakinanormalvoiceapproximately5–10cmfromthemicrophone.
5) Release the PTT at the end of the call, ensuring the status LED is
no longer lit.
6) At the end of the conversation, hang the microphone back up on
its mount.
