Christie 35/70 Maintenance And Service Manual page 20

Automated electronic film projector
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C 7 : T h e O U T P U T S T A T U S C o m m a n d [ D X ]
This diagnostic command requests an output of the current status. The rightmost character of the two-character
display contains the number of the current show; the leftmost character contains the status. The status is output
on the RS-232 port to the show controller or the service terminal.
E
:
NTRY
C
:
ODE
A
CTION
:
S
S
:
TATUS
An example of an output status return value is:
A2
where
A:
Parked at Cue Point (see Table 2.4)
2:
Show number 2.
C 8 : T h e C U E C o m m a n d [ O P , L ]
This operational command causes the projector to position the film at the start of the first show encountered when
the projector moves in a forward direction. The film advances in the slew mode. If the CUE command is
entered after the BOF marker in a show has been passed, the projector will find the next show on the film; this
may not be the next show in a programmed sequence. A CUE command must be issued prior to the first time a
show is played after the system powers up; thereafter, the projector tracks the start point for every show on the
film.
Do not enter a CUE command if the projector has already encountered the BOF
marker of the last show on the film. If a CUE command is entered at this point, the
projector will move forward until the film runs off the reel.
E
:
NTRY
C
:
ODE
A
CTION
:
S
S
:
TATUS
C 9 : T h e J A M C o m m a n d [ D X ]
This diagnostic command resets the frame counter for a show. If a new frame counter was just loaded using the
SET FRAME COUNTER command (see Section 0), that value is loaded; if no time has been set, the frame
counter setting defaults to one hour, written as 01:00:00:00. The JAM command is useful if there is a
requirement to inspect the new value immediately or to set MASTER and SLAVE start times to the same value.
CHRISTIE INC. - 35/70 Service/PM Manual
July, 1997
<CMD-C>, <7>
C7
Outputs status over RS-232 interface.
Unchanged.
<CUE>
C8
1. Move forward in slew mode at 15 fps until BOF marker of the
next show is located.
2. Update frame counter.
3. Park on BOF mark.
Set to 8 while searching for next show;
set to A while parked at cue.
2 . G e n e r a l D e s c r i p t i o n

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