TM 55-6930-212-10
8-48. On CRT page 020, environmental conditions (items 13 through 20) can be edited within the limits shown in table 8-
8.
8-49. PARAMETER FREEZE.
8-50. Aircraft flight parameters can be frozen selectively at the IOS by editing lines 1 through 12 on current conditions
page 020. Frozen parameters are flagged by an asterisk (*). To freeze a parameter, type: LINE NO., SPACE, *,
ENTER. To unfreeze a parameter, type: LINE NO., SPACE, ENTER.
8-51. SOUND LEVELS.
8-52. The environmental aircraft sound level (O 9) can be changed by editing the current conditions table on the
auxiliary information display (AID). To change sound level, type 20, ENTER. The appropriate line can then be edited.
This process requires use of the keyboard to type: LINE NO., SPACE, 0-9, ENTER. The sound level can also be
reduced to its lowest level by pressing AURAL CUE VOL-LO switchlight.
Table 8-8. Editable Environmental Conditions CRT Page 020
Line No.
Abbreviation
Description
Ranges
13
FUEL
Total fuel quantity
0 - full capacity
14
LAT
Ownship latitude
N/S deg., min., sec.
15
LONG
Ownship longitude
E/W deg., min., sec.
16
CG
Center of gravity
Depends on gross wt
variable 250 - 400
17
GRWT
Gross weight
27,890 - 60.000 lb
18
BARO
Barometric pressure
27 - 31,99999 in. Hg
19
OAT
Outside air temperature
-50 - +500C
20
WV
Wind velocity
0 - 64 knots
21
WD
Wind direction
0 - 360°
22
TRB LVL
Turbulence level
0 - off, 9 - max.
23
SND LVL
Sound level
0 - off. 9 - max.
24
GRND PWR
Connected to external
ON - off
ground power
25
CAIRNS WX
Selects ATIS weather
0 - off. 1-4
message
message
26
SEAT SHAKER
Activates seat shaker
on - off
27
ICING ENABLE
If OAT below freezing,
On - off
allows simulated ice to
degrade flight performance
28
REFILL EXP
Refills expendable stores
On - off
NOTE
Expendable stores include battery charge, APU start accumulator, flares, and precharge of cargo
hook.
29
CLR SAVED PLOTS
Takes saved plots
On - off
back to zero
30
NVG VIS TRAINING
Prevents unexpected selec-
On - off
tion of normal scene illu-
mination during NVG training
8-32
