5.8
Monitor Feature
The monitor feature ensures that a channel is clear before transmitting.
The lack of static on a digital channel when the users switch from analog to digital radios is not an
indication that the radio is malfunctioning. Digital technology quiets the transmission by removing the
noise from the signal and allows only the clear voice or data information to be heard.
5.8.1
Monitoring a Channel
Procedure:
• Monitoring a Channel in Conventional Modes:
a. Lift the microphone off the hook.
b. Listen for activity on that channel.
c. Adjust the Volume Knob if necessary.
d. If you hear no activity, press and hold the PTT button to start your conversation.
• Monitoring a Channel in Trunked Modes:
a. Lift the microphone off the hook.
b. Press the PTT button.
c. If you hear two, short, high-pitched tones, or if you hear no tone and the
indicator lights
steadily, then proceed with your message.
d. Release the PTT button to receive transmission.
If you are not in the range of the system, you may hear a continuous low-pitched tone and the display
shows OUT OF RANGE.
5.8.2
Monitoring Conventional Mode
This feature allows you to monitor channel traffic on conventional channels by defeating the coded
squelch. Thus, you can listen to another active user on the channel. This way, you may be prevented
from taking over the conversation of another user.
When and where to use: Your radio may be preprogrammed to receive Private-Line
®
(PL) calls.
Procedure:
1 To activate monitoring, perform one of the following actions:
• At Home mode where the default zone and channel are being displayed,
or to MON and
press the Menu Select button directly below MON momentarily.
• Take the control head off the hook.
The display shows MONITOR ON. You hear all channel traffic.
2 Press the Menu Select button again to deactivate the monitoring.
The display shows MONITOR OFF.
Pressing the Menu Select button again turns monitor off and you do not hear all channel traffic. If you
try to transmit on a receive-only channel, you hear an invalid tone until you release the PTT button.
6875947M01-HM
General Radio Operation
37
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