Reference
370B User Manual
3-5
1. Turn the NON STORE/STORE/VIEW INTENSITY control clockwise
until a spot appears at the lower left corner of the CRT graticule. To avoid
burning the CRT phosphor, adjust the NON STORE/STORE/VIEW
INTENSITY control until the spot is just visible.
2. Turn the READOUT/CURSOR INTENSITY control throughout its range.
Note that the readout becomes brighter as the control is turned clockwise.
Set the control for the desired readout brightness. The initial displayed
control settings should be: 2A VERT/DIV, 2V HORIZ/DIV, 50nA PER
STEP, 0.0nA OFFSET, 40M b OR gm/DIV, and 0.0 % of COLLECTOR
PEAK VOLTS.
3. Turn the FOCUS control throughout its range. Adjust the FOCUS control
for a well-defined spot.
4. Turn the GRAT ILLUM control throughout its range. Note that the graticule
lines and the readout titles illuminate as the control is turned clockwise. Set
the control for desired illumination.
1. Press the NON STORE button while holding down the FAST/SHIFT
button. This changes the NON STORE button function to CAL ZERO.
2. Rotate the vertical POSITION control to align the displayed dot with the
bottom graticule line.
3. Rotate the horizontal POSITION control to align the displayed dot with the
left graticule border.
4. Press the REF button while holding down the FAST/SHIFT button. This
changes the REF button function to CAL FULL.
5. Observe that the dot is displayed at the upper right corner of the display
graticule.
6. Press the STORE button while holding down the FAST/SHIFT button.
This changes the STORE button function to CAL OFF.
7. Press the Display INVERT button.
8. Observe that the dot is displayed in the upper right corner of the display
graticule.
9. Press the Display INVERT button again to resume normal operation.
CRT and Readout
Controls
Positioning Controls
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