Siemens RL-854 manual Controls and Indicators, Startup Procedures, Part Purpose

RL-854 Radio Control Unit
Type I, Style A	Operation

Controls and Indicators

See Figure 2. Refer to Table 6. All switches, pushbuttons, indication lights, and fuses used in the operation of the RL-854 are located inside the cabinet.

	Table 6. Controls and Indicators
Part	Purpose
Controls
ON/OFF Switch S1	Controls primary AC power.
Fuse F1 (3/10 A, Slo-Blo)	Provides primary circuit protection.
Timer Test Fast Switch S3	Provides a fast check of the timer circuit, causing the timer to time-out in
	approximately 20 seconds.
Timer Test Normal Switch S3	Timer takes 15 minutes to time-out.
Test Pushbutton S2	Tests receiver completely. Depressing Test Pushbutton S2 produces the same type
	signal that an aircraft transmitter produces. It tests everything in the receiver except
	the antenna.
Indicators
Power Light DS1	Indicates DC power is on.
Carrier Light DS2	Indicates the receiver is receiving a carrier in the proper frequency.
Timer Light DS3	Indicates the timer is powered and is in a 20-second or 15-minute cycle.

Startup Procedures

See Figure 7. Startup procedures for the RL-854 Radio Control unit are discussed below.

 2001 Siemens Airfield Solutions, Incorporated	96A0027L	Page 25
All rights reserved	Issued 5/01