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G 8 : T h e R E V E R S E T E S T M O D E C o m m a n d [ D X , L ]
This diagnostic command is used to adjust the position of the torque arms and run the projector in slew mode at various
speeds in the forward and reverse direction. The projector must be powered up and in the READY state.
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NTRY
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ODE
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NPUT
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NPUT
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TATUS
CHRISTIE INC. - - 35/70 Service/PM Manual
CHRISTIE INC.
July, 1997
:
<CMD-G>, <8>
G8
:
:
1. Enter a speed value of 10 on the keypad.
2. Hit the <ENTER> key.
3. Adjust R183 so that the upper torque arm sensor voltage (as
measured from the top of R150) is 0 volts ± 1 volt. This
adjusts upper torque arm position.
4. Adjust R136 so that the upper torque arm sensor voltage (as
measured from the top of R149) is 0 volts ± 1 volt. This
adjusts lower torque arm position.
Repeat Steps 1 – 4 with speed value inputs of 20, 30, 40 and 50.
5. Enter a speed value of 00 to stop the projector.
6. Press the <STOP> key.
7. Enter 00 to change the projector direction to forward.
8. Press the <STOP> key.
Repeat the above Input sequence, using R196 for the upper
:
torque arm and R137 for the lower torque arm.
:
Enter the DISPLAY FRAME COUNTER ( <G> , <1> )
command to return the display to normal.
Not applicable.
:
Entering speed values greater than 50 can cause projector and film damage.
3 : O p e r a t i n g t h e P r o j e c t o r
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