TM 55-6930-212-10
Table 8-1. IOS Forward Control Panel Controls and Indicators - Continued
Control/Indicator
Control
Function
COMMUNICATIONS - continued
UHF switchlight
White
Permits instructor-to-student communication
using UHF receiver.
VHF 2 switchlight
White
Permits instructor-to-student communication
using VHF 2 receiver.
HF switchlight
White
Permits instructor-to-student communication
using HF receiver.
TRAINING PROBLEM CONTROL
PAGE ADV switchlight
White
Allows instructor to advance to next page.
PAGE REV switchlight
White
Allows instructor to back up to last page.
SLOW TIME switchlight
Green
Permits performance playback of demonstra-
tions to occur at half normal speed. (No
synchronized audio is available during slow
time.)
MASTER MALF CLEAR
White
Clears all active malfunctions and CRT switchlight
readout of same (The circuit breakers must be
manually reset.)
INTERCHANGE CRT UP
White
Interchanges
CFD
and
TSD
between
fore
and
switchlight
aft CRT.
INTERCHANGE CRT DN
White
Interchanges GPD and AID between fore and switchlight
aft CRT.
STORE PLOT switchlight
White
In training mode, actuation of this switch-
light stores computer memory for on-line
transfer to hardcopy, an instantaneous snap-
shot of forward CRT.
HOSTILE GND FIRE
White
Simulates hostile ground fire.
switchlight
ALT SCALE CHANGE
White
Changes alt scale 0-2000 and 0-8000 TSD
switchlight
altitude time history plot.
A/C CENTER switchlight
White
Redraws GPD background and track history
centered on current aircraft location
.
(TAC map will not function.)
TRACK ERASE switchlight
White
Temporarily erases ancient track history from
GPD at 1/4" per second rate (oldest to newest).
Momentary depression erases out-of- tolerance alerts
on ground plot display (TAC map not applicable.)
8-9
