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Thermal Imaging Sensor (TIS) to be integrated, enhancing displayed data.
INTEG changes the number of frames integrated into a single TIS image.
TIS INTEG is used when the TIS picture has excessive noise such as
when a high gain setting is used (i.e., a scene with very little temp
variation, rainy day). TIS INTEG will reduce the noise but can cause
blurring of the scene when the LOS is moved. Disabled on helicopters
with IMSP.
Turn TIS INTEG on. Select TIS integrate increment until noise level is as
desired.
LMC Activate Linear Motion Compensation (LMC) to aid manual tracking.
LMC Should be used when manually designating a target. This feature
reduces the effect of random helicopter movement on manual designation
accuracy. LMC may be left on.
ALE Automatic Leveling Equalization (ALE) allows the system processor to
equalize the output levels of the TIS detectors. Activate this switch when
horizontal lines appear on TIS imagery of a bland (low contrast) scene or
a scene with uniform temperatures.
During the first 50 seconds after the TIS is powered up, this switch has
no effect. Thereafter, ALE may be manually enabled by the switch as
required to eliminate horizontal lines. After horizontal lines are no longer
apparent, ALE should be disabled.
OFF Disables ALE.
Figure 4-6. (CDS2) CPG Auxiliary Panel (Sheet 2 of 2)
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TM 1-1520-248-10
ON AL
FGL
OFF
WPN
ASE
IDM
INIT
ON
OFF OFF OFF
LMC
ON
ALE
ON
IDM INIT SWITCH
IMAGE
CAPTURE
TIS INTEG
INCR
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CONTROL/INDICATOR FUNCTION
ALFGL Allows operator to see more detail in scenes with high variation in
temperature.
WPN/ASE UP:
1st Toggle WEAPONS PAGE.
2nd Toggle CPG left VSD Sparse page.
3rd Toggle CPG right VSD Sparse page.
DOWN:
Aircraft Survivability Equipment page.
If any other page is displayed on CPG’s MFD and the WPN/ASE switch is
activated, the CPG’s WEAPONS PAGE will be displayed.
Figure 4-7. CPG Auxiliary Panel (Typical) (Sheet 1 of 2)
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TM 1-1520-248-10
(Cont)
CONTROL/INDICATOR FUNCTION
IDM/INIT Up position displays IDM Index page or last IDM page accessed.
Down position displays INITIAL PAGE 1 on MFD.
IMAGE CAPTURE Freezes image on screen for VIXL transmission.
NOTE
The higher the TIS increment the more the scene will blur with motion.
TIS INTEG Initiates integration function which permits several frames produced by the
Thermal Imaging Sensor (TIS) to be integrated, enhancing displayed data.
INTEG changes the number of frames integrated into a single TIS image.
TIS INTEG is used when the TIS picture has excessive noise such as
when a high gain setting is used (i.e., a scene with very little temperature
variation, rainy day). TIS INTEG will reduce the noise but can cause
blurring of the scene when the LOS is moved. Disabled on helicopters
with IMSP.
Turn TIS INTEG on. Select TIS integrate increment until noise level is as
desired.
LMC Activate Linear Motion Compensation (LMC) to aid manual tracking.
LMC Should be used when manually designating a target. This feature
reduces the effect of random helicopter movement on manual designation
accuracy. LMC may be left on.
ALE Automatic Leveling Equalization (ALE) allows the system processor to
equalize the output levels of the TIS detectors. Activate this switch when
horizontal lines appear on TIS imagery of a bland (low contrast) scene or
a scene with uniform temperatures.
During the first 50 seconds after the TIS is powered up, this switch has
no effect. Thereafter, ALE may be manually enabled by the switch as
required to eliminate horizontal lines. After horizontal lines are no longer
apparent, ALE should be disabled.
OFF Disables ALE.
Figure 4-7. CPG Auxiliary Panel (Sheet 2 of 2)
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TM 1-1520-248-10
HSD MMS COMM
VSD C10 PREFLT A4
SET UP
GRAY
SCALE
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BRST
AUTO
BRST
MAN
CONTROL/INDICATOR FUNCTION
1. BRST AUTO key Initiates automatic boresight sequence.
2. BRST MAN key Initiates manual boresight. Reticle is manually aligned, using LOS
CONT switch.
3. GRAY SCALE key Displays a graphic image for MFD brightness and contrast
adjustments.
4. SET UP key Returns MFD to Setup page.
Figure 4-8. MMS Preflight Page
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TM 1-1520-248-10
CONTROL/INDICATOR FUNCTION
1. TV ON/OFF key Turns on (off) TV sensor.
2. TIS ON/OFF key Turns on (off) TIS sensor.
3. STATIC CAL key Initiates static calibration.
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TECHNICAL MANUAL OPERATOR’S MANUAL FOR ARMY OH-58D HELICOPT(95)
