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4. PREFLT key Returns MFD to Preflight page.
5. AIRBORNE CAL key Initiates calibration while airborne.
6. MDC ON/OFF key Manual drift compensation. Enables/disables gyro calibration
functions.
Figure 4-9. MMS Setup Page
4-20
TM 1-1520-248-10
CONTROL/INDICATOR FUNCTION
1. ZOOM 1X2X/TEMP ORIDE Selects image magnification. TEMP ORIDE replaces ZOOM, if LASER HOT
key message is displayed, to allow override of automatic shutdown of laser.
2. PPT key Displays prepoint waypoint list numbers of waypoint or target, or enables
MFK for entry of desired PPT Waypoint list.
3. RECORD key Activates airborne video tape recorder (AVTR) record functions.
4. VTR CONTROL PAGE key Selects AVTR control page.
5. DCLTR key First press  Removes MFD symbology.
Second press  Removes all symbology.
Third press  Displays all symbology.
6. W HOT/B HOT key Selects manner in which TIS video image is displayed.
7. VIXL LIST/FREEZE Selects VIXL LIST page or FREEZE if VDU or VTR is inoperable.
key
8. MARK key Marks stored location on tape.
9. Laser code status key Selects range only mode or desired designation code and reports status of
laser.
Figure 4-10. Prepoint (PREPT) Page
4-21
TM 1-1520-248-10
PULL
MAN
PULL
BKUP
BRT
C
ONT
HSD COMM
300 330 N 030 060 E
VSD
W
35
03
INV NORM B HOT W HOT
4X BRK LOCK
SPLT
AUTOCUE
OFF
RECORD
868
AUTOCUE
ON
TEMP
ORIDE
VTR
CONTROL
PAGE
DCLTR
MARK
0000
TRACKER
CENTRD
FREEZE
TRACKER
FEATURE
FWD
PPT
1WP
1 1WP
2 2WP
3 4BP
4 6AA
5 10WP
M 35T
*
* WINDOW DISPLAYED ON PREPOINT PAGE ONLY. 406075-1488-8
J1336
1
2
3
4
5
12
11
10
9
8
VIXL
LIST
7
6
RNG
9520MT
ARM
N 32° 58.07
W 14° 16.11
CONTROL/INDICATOR FUNCTION
1. AUTOCUE/TEMP ORIDE key Selects or deselects the display of cues around potential targets.
TEMP ORIDE replaces AUTOCUE, if LASER HOT message is
displayed, to allow override of automatic shutdown of laser.
2. PPT key Displays prepoint waypoint list numbers of waypoint or target, or
enables the MFK for entry of desired PPT Waypoint.
3. RECORD key Activates airborne video tape recorder (AVTR) record functions.
4. VTR CONTROL PAGE key Selects AVTR Control page.
5. DCLTR key First press  Removes MFD symbology.
Second press  Removes all symbology.
Third press  Displays all symbology.
Figure 4-11. Prepoint (PREPT) Page (IMSP/MMS Configuration) (Sheet 1 of 2)
4-22
TM 1-1520-248-10
(Cont)
CONTROL/INDICATOR FUNCTION
6. SPLT/MMS key Selects or deselects the display of a split screen (TIS and TVS videos
are displayed at the same time).
7. Present position Displays continuously updated report of helicopter current position.
8. W HOT/B HOT/NORM/INV Selects manner in which video image is displayed  white hot, black
key hot, normal, or inverted.
9. VIXL LIST/FREEZE key Selects the VIXL LIST page or FREEZE if VDU or VTR is inoperable.
10. TRACKER CENTRD/ Selects centroid or feature mode.
TRACKER FEATURE key
11. MARK key Marks stored location on tape.
12. Laser code status key Selects range only mode or desired designation code and reports
status of laser.
Figure 4-11. Prepoint (PREPT) Page (IMSP/MMS Configuration) (Sheet 2 of 2)
4-23
TM 1-1520-248-10
CONTROL/INDICATOR FUNCTION
1. ZOOM 1X2X/TEMP ORIDE Selects image magnification. TEMP ORIDE replaces ZOOM, if LASER HOT
key message is displayed, to allow override of automatic shutdown of laser.
2. RECORD key Activates airborne video tape recorder (AVTR) record functions.
3. VTR CONTROL PAGE key Selects AVTR control page.
4. DCLTR key First press  Removes MFD symbology.
Second press  Removes all symbology.
Third press  Displays all symbology.
5. W HOT/B HOT key Selects manner in which TIS video image is displayed.
6. VIXL LIST/FREEZE Selects VIXL LIST page or FREEZE if VDU or VTR is inoperable.
key
7. MARK key Marks stored location on tape.
8. Laser code status key Selects range only mode or desired designation code and reports status of
laser.
Figure 4-12. Forward Page
4-24
TM 1-1520-248-10
PULL
MAN
PULL
BKUP
BRT
C
ONT
HSD COMM
300 330 N 030 060 E
VSD
W
35
03
INV NORM B HOT W HOT
　
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