Learjet 60 - Annunciators; TEST Switch

Pilot's Manual

Learjet 60
TEST
SWITCH
The test switch is a
three-position switch spring loaded to the NORM
position . The test
switch is used to verify each battery unit is capable
of powering
all
the
emergency exit lighting by itself .
To test
system :
1 . Aircraft BATTERY Switches - On
.
2 . EMERGENCY EXIT LIGHTS
Switch - ARMED .
3 . TEST Switch - BAT
1
and
hold . Reading lights, aisle lights, and
egress lights will
illuminate . ON annunciator will also
illuminate .
4 . TEST Switch - BAT
2 and hold . Reading lights, aisle lights,
and
egress lights
will illuminate . ON annunciator
will also
illuminate .
5 . TEST
Switch - Release to NORM . Emergency exit lighting
will
reset to off and
the ON annunciator will extinguish
.
ANNUNCIATORS
Meaning of the ON
and NOTARMED lights is shown in the follow-
ing table :
Annunciation

Means
4-34
ON

The system is activated either manually or auto-
matically . Also annunciates during test .
NOT ARMED

The aircraft is powered up
and the system is not
yet armed .
Also annunciates whenever the sys-
tem
has been automatically activated . Illumina
tion of NOTARMED will trip the Master CAUT
lights .
PM-123
Change3