Lamp Test
Procedure
The "LAMP TEST" push-button on the operator interface panel is used to determine local
lamp failures within the system. Lamps on the 4100 operator interface panel illuminate along
with the five function and acknowledge LEDs. All segments on the LCD also change to
squares. Perform the following procedures to determine lamp failures.
1. Press the "LAMP TEST" push-button. All LEDs should illuminate (lamps should stay
2. Perform an individual lamp test on all remote LCD annunciators using the key switch on
3. If you find defective lamps/LEDs, contact your local Simplex branch office.
illuminated as long as the push-button is depressed). Holding the push-button in for more
than 3 seconds will test the tone-alert.
the operator interface panel.
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