TM9100 Service Manual Receiver Fault Finding 239© Tait Electronics Limited August 200510.5 Faulty Radio MuteIntroduction If the radio mute is faulty, the calibration settings are suspect. There are threetasks:■ Task 14: determine type of muting selected■ Task 15: noise muting selected■ Task 16: RSSI muting selectedThe programming application is required for Task 14, and the calibrationapplication for Task 15 and Task 16.Task 14 —Determine Type ofMuting SelectedFirst use the programming application to determine the type of mutingselected.1. In the programming application click the “Basic Settings” page underthe “Channel Profiles” heading.2. Click the “General Settings” tab.3. Check the setting in the “Squelch Detect Type” field. Ensure that thesetting 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 RSSImuting is selected, go to Task 16.
