GE 4PE350A3 Instructions Manual page 29

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COLOR CAMERA
Voltage Readings
1. Set the Camera POWER switch to the
ON position.
2. Turn the METER SELECT switch to
H.S.W. The meter pointer reads mid -scale
within the green, indicating the horizontal
sweep voltage.
3. Turn the METER SELECT switch to
V.S.W. The meter pointer reads within the
green, indicating the vertical sweep voltage.
4. Turn the METER SELECT switch to
+100. The meter pointer reads mid -scale
on the red line, indicating the +100 volts d -c.
5. Turn the METER SELECT switch to
+20. The meter pointer reads mid -scale on
the red line, indicating +20 volts d -c.
6. Turn the METER SELECT switch to
-20. The meter pointer reads mid -scale on
the red line, indicating -20 volts d -c.
7. Turn the METER SELECT switch to
+600. The meter pointer reads mid -scale on
the
red line,
indicating
+600
volts d -c.
8. Turn the METER SELECT switch to
-300. The meter pointer reads mid -scale on
the red line, indicating -300 volts d -c.
9. Sight the Camera on the resolution test
chart.
Beam Control
1. Depress the EXPosure SELECT push
button, if necessary, to obtain local control
of the beam control.
2. Turn the METER SELECT switch to
W under BEAM.
3. Depress the W push button on the Cam-
era viewfinder panel.
NOTE
In the BEAM positions, the meter
is only an indication that the BEAM
controls are functioning and should
not
necessarily
read within the
green.
4. Adjust the W BEAM control until the
test pattern appears on the viewfinder and
the whites are discharged.
5. Adjust the CONTRAST, BRIGHTNESS,
and FOCUS controls on the viewfinder panel
for maximum resolution.
EBI-6351
6. Repeat the previous BEAM control pro-
cedures for the R, B, and Gchannels.
Timing
1. Depress the W push button on the view-
finder panel.
2. Observe the picture and adjust C12,
located on the timing and calibration gen-
erator board, until the edges are centered
within the Camera blanking.
Focal Length
The focal length (using the flywheel zoom
control) of the zoom lens is monitored on a
focal length meter mounted on the Camera
viewfinder panel. This meter is calibrated
in steps from 18mm to 180mm.
Optical Focus
Using the panhandle grip, adjust the optional
focus for maximum resolution as seen on the
viewfinder.
Focus Control
1. Turn the METER SELECT switch to
W under FOCUS.
2. Adjust the W FOCUS control for maxi-
mum resolution as seen on the viewfinder.
3. Repeat steps
1 and 2 for the R, B,
and G chrominance channels.
A I ign Control
1. Depress the W push button on the view-
finder panel.
2. Focus the Camera lens on the Res-
olution Chart using the Camera panhandle
grip. Adjust the optical focus for maximum
resolution.
3. Set the ALIGN test signal switch in
the ON position.
4. Adjust the W H ALIGN and W V ALIGN
controls for the least amount of movement
in the center of the viewfinder picture.
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