Tektronix 634, Instruction Manual

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Operating Instructions—634 Operators
DISPLAY FUNCTIONS
1. Perform the above Preliminary Set Up procedure.
2. Notice a raster will appear on the screen, increasing in
brightness as you slowly turn the BRIGHTNESS control
clockwise.
A high brightness level combined with a
stationary image may damage the crt
phosphor. Therefore, set the BRIGHTNESS
control to the minimum necessary for good
visibility.
3. Connect the 1470 signal generator to the lower VIDEO
INPUT connector on the rear panel and set the 75 Q
TERMINATION switch to ON. Set the 1470 for window
signal output.
4. Adjust the FOCUS and CONTRAST controls for a
sharp, well-defined display.
5. Set the rear-panel 75 Q TERMINATION switch to OFF.
6. Notice that the raster background level has increased.
7. Set the 75 Q TERMINATION switch to ON.
8. Disconnect the 1470 signal generator.
This completes the Operators Checkout Procedure for the
634 Monitor.
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