TM9100 Service Manual Receiver Fault Finding 239
© Tait Electronics Limited August 2005
10.5 Faulty Radio Mute
Introduction If the radio mute is faulty, the calibration settings are suspect. There are three
tasks:
■ Task 14: determine type of muting selected
■ Task 15: noise muting selected
■ Task 16: RSSI muting selected
The programming application is required for Task 14, and the calibration
application for Task 15 and Task 16.
Task 14 —
Determine Type of
Muting Selected
First use the programming application to determine the type of muting
selected.
1. In the programming application click the “Basic Settings” page under
the “Channel Profiles” heading.
2. Click the “General Settings” tab.
3. Check the setting in the “Squelch Detect Type” field. Ensure that the
setting is what the Customer expects.
4. If the setting is “Noise Level”, implying that noise muting is selected,
go to Task 15
. If the setting is “Signal Strength”, implying that RSSI
muting is selected, go to Task 16
.
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