-29-
7. The line-lock mode has a submenu for line-lock
vertical phase adjustment. If the camera installa-
tion is relocated, check the vertical phase adjust-
ment again since the AC line phase may be differ-
ent.
6-1. VBS Gen-lock Mode (EXT (VBS))
1. Move the cursor to the SYNC parameter and
select INT.
2. Connect the coaxial cable for the blackburst or
composite colour video signal to the gen-lock
input connector.
3. Confirm that the INT parameter changed to EXT
(VBS) on the menu.
Caution:
The gen-lock input signal should meet
the CCIR specifications and should not con-
tain jitter, such as a VTR playback signal, as it
could disturb synchronization.
** CAM SET UP **
CAMERA ID OFF
ALC/ELC ALC
SHUTTER ---
AGC ON
SENS UP OFF
SYNC EXT(VBS)
WHITE BAL ATW
MOTION DET OFF
LENS DRIVE DC
RET
↵
↵
↵
↵
4. After confirming that the cursor is on EXT (VBS),
press
. The phase adjustment menu appears
on the monitor.
5. Supply the video output signal of the camera to be
adjusted and the reference gen-lock input signal
to a dual-trace oscilloscope.
6. Set the oscilloscope to the horizontal rate and
expand the horizontal sync portion on the oscillo-
scope.
7. Move the cursor to H PHASE.
8. Adjust the horizontal phase by pressing
L
or
M
. The adjustable range is 0 to 2.0 µs.
9. Move the cursor to SC COARSE.
** SYNC **
H PHASE ........I
- +
SC COARSE 1(1--4)
SC FINE ....I....
- +
RET END