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TM 1-1520-248-10
CONTROL/INDICATOR FUNCTION
NOTE
(CDS4) Normal VSD weapons pages are no longer available for display.
1. MMS LOS Cue Shows MMS azimuth and elevation orientation.
2. UNCAGE key Selects AUTO/MANUAL mode.
3. WEAPONS STATUS Indicates OFF, SAF or ARM.
(CDS3)
4. SLAVING key Selects ON/OFF for seeker slaving to the MMS.
Figure 4-56. Normal ATAS VSD
4-98
TM 1-1520-248-10
CONTROL/INDICATOR FUNCTION
1. VID key Selects video source toggling between OFF, TV, and TIS.
2. MMS LOS Cue Shows MMS azimuth and elevation orientation relative to the
reference indicator.
3 (CDS4) Range-to-Target Range to target is boxed if current laser range is being displayed.
Range is not boxed if last valid laser range is used. Display is
boxed while laser is firing and for 5 seconds after laser firing is
stopped. Source is “L” laser range, “P” prepoint range, and “N”
distance to direct fly-to-wpt.
4. W HOT/B HOT/NORM/INV key With TIS selected, toggles between W HOT and B HOT. With TV
selected at R-2, on IMSP/MMS configuration, toggles between
NORM (normal video) and INV (inverted video).
Figure 4-57. ATAS Sparse VSD (Sheet 1 of 2)
4-99
TM 1-1520-248-10
(Cont)
CONTROL/INDICATOR FUNCTION
5. ATAS Missile symbology Displays current missile status. An open missile indicates missile
present. A solid missile indicates missile has been selected and
is active. A cross through a launcher pair indicates it is bad.
6. Helicopter Reference Symbol Reference point to which the superelevation bar is aligned during
the superelevation maneuver.
7. Weapon Status Indicates SAFED/ARMED. ACTIVE displays when pilot cyclic MSL
ACTVT switch is pressed.
8. UNCAGE key Selects AUTO/MANUAL Mode.
9. Tracking reticle Displays when seeker is uncaged as enabled by pressing
Uncage/Fire switch to first detent. Tracking reticle appears and
either overlays or is adjacent to MMS LOS cue. Tracking reticle
moves with MMS LOS cue if missile is locked onto target being
tracked by MMS. Conversely, independent movement indicates
missile is not tracking same object as MMS.
10. SLAVING key Selects SLAVING ON/OFF.
11. Super elevation cue Displays after WPN-FIRE switch has been depressed to first
detent and missile has locked on target.
Figure 4-57. ATAS Sparse VSD (Sheet 2 of 2)
4-100
TM 1-1520-248-10
PULL
MAN
C
ONT
PULL
BKUP
BRT
406075-950
J1151
1
2
CONTROL/INDICATOR FUNCTION
1. WEAPONS BIT/SET-UP Selects WEAPONS BIT/SET-UP PAGE.
PAGE key
2. Missile symbology Indicates missile presence and launcher status. If symbol is shaded in,
the missile is active. Any launchers that have failed the BIT are
indicated by crossing out the failed launcher.
Figure 4-58. ATAS WEAPONS PAGE
4-101
TM 1-1520-248-10
PULL
MAN
C
ONT
PULL
BKUP
BRT
406075-975
J1151
1
2
3
CONTROL/INDICATOR FUNCTION
1. WEAPONS PAGE key Selects WEAPONS PAGE.
2. Missile Status Indicates number of missiles and launcher status. If symbol is shaded
in, the missile is active. Any launchers that have failed the BIT are
indicated by crossing out the failed launcher.
3. ATAS BIT key Initiates ATAS BIT. ATAS BIT boxes to show BIT in progress. Status is
shown to the right of the ATAS BIT legend.
Figure 4-59. ATAS WEAPONS BIT/SET-UP PAGE
4-102
TM 1-1520-248-10
PULL
MAN
C
ONT
PULL
BKUP
BRT
PULL
MAN
C
ONT
PULL
BKUP
BRT
406075-32
J1151
PULL
MAN
C
ONT
PULL
BKUP
BRT
PULL
MAN
C
ONT
PULL
BKUP
BRT
Figure 4-60. ATAS BITs
4-103
TM 1-1520-248-10
(1) The MMS method of engagement will not be O 2. PDU BIT  Accomplish.
available.
(2) AUTO will be selected. 3. WEAPON SEL switch  Select WEAPONS
PAGE.
(3) Missile step not available.
e. Operation. 4. R-5  Press to select WEAPONS BIT/SETUP
PAGE.
Paragraphs 4-72 through 4-79 contain the procedural
steps necessary to operate the system. ATAS launch 5. ATAS BIT  Press.
sequence is shown in figure 4-61.
4-72. ATAS PROCEDURES. 4-76. IN-FLIGHT PROCEDURES.
a. RMP MISSILE.
4-73. EXTERIOR FUSELAGE CHECK 
ATAS. WARNING
4-74. INTERMEDIATE FUSELAGE. ATAS missiles are not to be launched
WARNING when ambient temperature exceeds 140
°F. The missile could deflagrate when the
motor ignites.
　
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