Operations Manual

Page 22 RF Technology R50
7.1.5 Microprocessor
7 SPECIFICATIONS
7.1.5 Microprocessor
A microprocessor is used to control the synthesizer, tone squelch, calibration, fault
monitoring and reporting, RSSI reading, deviation measuring, option setting and
facilitate channel frequency programming.
7.2 Physical Configuration
The receiver is designed to fit in a 19 inch rack mounted sub-frame. The installed
height is 4 RU (178 mm) and the depth is 350 mm. The receiver is 63.5 mm or two
Eclipse modules wide.
7.3 Front Panel Controls, Indicators, and Test Points
7.3.1 Controls
Mute Defeat Switch - Toggle (Overrides CTCSS and carrier squelch at the monitor
output)
Monitor Speaker volume - Knob
Line output Level - screw driver adjust multi-turn pot
Noise Squelch setting - screw driver adjust multi-turn pot
Carrier Squelch Setting- screw driver adjust multi-turn pot
7.3.2 Indicators
Power ON - Green LED
Squelch Open - Yellow LED
Fault Indicator - Flashing Red LED
7.3.3 Test Points
There are no front panel test points. All important test points are monitored by the
firmware.