Preoperational Procedure - HP 1317A Operating And Service Manual

Model 1317A
3 5,112,7 6,1410
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1. Set BRIGHTNESS fully ccw.
2. Set POSITION X and POSITION Y to midrange.
3. Set power switch to ON and observe that LINE
and power indicator lamps light.
~
A high-intensity display over an
extended period will burn the CRT
phosphor.
4. Adjust BRIGHTNESS control. Display dot
brightness should vary from completely extin-
guished in full ccw position to an acceptable
viewing brightness as control is turned cwo
Adjust for comfortable viewing brightness of
display dot.
5. Adjust POSITION Y control through its full
range. Display dot will move vertically on the
CRT. Dot will disappear from the viewing area
at either extreme of the control.
6. Adjust POSITION X control through its full
range. Display dot will move horizontally across
13
Operation
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1317A-P-003
the CRT. Dot will disappear from the viewing
area at either extreme of the control.
7. Set POSITION X and POSITION Y controls to
center display dot on CRT.
8. Set FOCUS and ASTIG for smallest display
dot size.
9. Apply a I-kHz, I-volt p-p signal to X INPUT
connector. A horizontal trace should appear on
the CRT.
10. Adjust TRACE ALIGN, if necessary, to align
trace horizontally.
11. Set GAIN X for trace length of exactly 10
inches.
12. Move input signal to Y INPUT.
13. Adjust ORTHOG, if necessary, to align trace
vertically.
14. Set GAIN Y for trace length of exactly 10
inches.
Figure 3-2. Preoperational Procedure
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