TFT 844 - Page 20

www.SteamPoweredRadio.Com
3.6
Absence of Modulation Alarm (Optional)
The alarm is triggered when the composite signal drops below 30 percent
modulation for a period
of time between 2 seconds and 30 seconds. Time
is a user adjustment. The output supplied is an open collector circuit
that supplies a ground when alarm is present. Output is available on
rear panel terminal board.
3.7
Carrier Fail Alarm (Optional}
The alarm is triggered when the RF carrier drops below 250 V. The
output supplied is an open collector circuit that supplies a ground
when the alarm is present. Output is available on TB2 on the rear
panel.
3.8
Use of Remote Metering Panel. Model 804
The cable supplied with the Remote Metering Panel is connected to a
Terminal
Board on the monitor rear panel and will duplicate the flasher
and meter reading appearing on the monitor.
-19-