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

 

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