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 TM 9-6920-737-10
IOS POWER PANEL (Continued)
Key
Control or Indicator Function
6
TEST EQUIPMENT OUTLET
Lights orange when TEST EQUIPMENT
AC ON indicator light
OUTLET ON/OFF circuit breaker (5) is on to
indicate ac power is available at Test
Equipment Outlet.
ISU/C R/ASU
7
OFF/on keyswitch
Lock and key on/off control of ac power to
3-CRT dc power supplies in the IOS and Crew
Station.
8
AC ON indicator
Lights orange when OFF/on keyswitch (7) is
on to indicate ac power is available to 3-CRT
dc power supplies.
9
DC POWER SUPPLIES ON
Light green when 3-CRT dc power supplies
-30V
in IOS are on.
+15V
-15V
indicators
10
LOCATED IN AUX EQUIP
Light green when 3-CRT dc power supplies
A + 28V, -28V, +15V
in crew station are on.
B +28V, +6.3V, -15V
indicators
2-25
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