AT&T System 25 - Manual (Page 43)

Testing Your Console ✓
❑
You can test the lights and ringer on your SLAC and the lights
on your Selector Console. On the SLAC, the Test/Program
switch is located on the left side. It has two positions: “T” and
“P”. (The “P” position is inoperative).
On the Selector Console, the Test button is located on the
bottom row (far right) with the Group Select buttons.
NOTE: Notify the System Administrator if a light or ringer does
not work.
Testing the SLAC
1 Slide the switch on the left side of the SLAC to “T”.
The red and green lights alternately light and the ringer sounds.
2 Slide the switch back to the midpoint between “T” and “P”.
Testing the Selector Console
1
2
3
Press
T E S T
.
The red lights cycle on and off sequentially.
Press
TEST
again.
NOTE: The individual lights can be tested by pressing the
adjacent buttons.
Press
TEST
a third time.
The test stops.
Display
During the SLAC test procedure, the display shows 16 blackened
character positions.
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