2-4
Item
Mode
Adjustment steps
Measuring
instrument &
Input signals
No.
Measuring point
(
*
)
Adjustment points (
-
)
Adjustment level (
+
)
Leave the dome cover attached during adjust-
ment.
(1) Adjust the level as specified.
7
ALC level
adjustment
Oscilloscope
Gray scale chart
*
VIDEO OUT
-
PAN/TILT control lever
+
741 mVp-p (U)
+
700 mVp-p (E)
SERVICE MENU
ADJUST 1:
ALC LEVEL
8
Offset
adjustment of
MR sensor
Remove the dome cover before proceeding to
adjustment.
(1) Darken the lighting of the chart and open the
lens iris.
(2) Loosen the BF clamping screw of the lens.
(3) Using the tip of a flat-blade screwdriver, move
section (A) of the lens backward and forward
with respect to the CCD attachment surface.
(4) Focus the chart located at a distance of more
than 1 meter.
(5) Tighten the BF clamping screw.
9
Back-focus
adjustment
Focus chart
*
Monitor screen
-
Lens tube
+
Best focus
AGC: OFF
Digital zoom:
OFF
BF clamping screw
Å
Leave the dome cover attached during adjust-
ment.
(1) While turning the pan motor by hand, adjust
the PAN/TILT control lever to set the offset
(center) voltage of the MR sensor waveform
as specified.
(2) While turning the tilt motor by hand, adjust
the PAN/TILT control lever to set the offset
(center) voltage of the MR sensor waveform
as specified.
*
TP1 MOTOR board
-
PAN/TILT control lever
+
2.5 V
*
TP3 MOTOR board
-
PAN/TILT control lever
+
2.5 V
SERVICE MENU
ADJUST 2:
PAN OFFSET
SERVICE
MENU
ADJUST 2:
TILT OFFSET
Oscilloscope
5 V
2.5 V
0 V
NG
OK