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 SB 740-91-01
Step
Setting and Instructions
Normal Indication
12. Keyboard Test
(a) Press "A" key to select
Display will clear.
manual.
(b) Press "3" key.
On plasma panel a display will
appear with entries corresponding
to each keyboard key.
CAUTION
Do not press "EXEC" key.
(c) Manually press each key on
Observe that as each key is de-
the keyboard.
pressed the corresponding character
on the display will be erased.
(d) Press "A", "2", then "1, keys.
Wait for cursor to appear on left
hand corner of screen.
(e) Press any alphanumeric key.
Verify that holding the key down
will result in continuous entries
of the depressed key.
(f) Press "EXEC" key and "PNL TEST"
Menu is displayed.
13. Panel illumination and Test Function Tests
(a) Rotate PNL ILLUM control through
Observe the panel illumination
its positions.
increases in brightness for each
setting as the control is turned
clockwise, with the illumination
being extinguished in the OFF
position.
(b) Press and hold the "PNL TEST"
Observe that the alarm will sound
switch.
and all front panel indicators are
illuminated, as well as the "MSG"
lamp on the outside front cover of
the deyboard.
(c) Turn "DISPL BRT" control, while
Verify that the brightness of the
press "PNL TEST" switch.
following LEDs can be selected
among 6 levels; the brightness
should increase as the control is
turned clockwise: PWR, MSG RCVD,
Fire MSN, CHK FIRE, PLU LOAD, MEM
CLR and the 3-chan busy indicators.
Change 1 B.130.10
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