Tektronix 371B, Service Manual

Page: 140 / 292

Performance Verification
5-38
371B Service Manual
Determining Whether Adjustment is Necessary.
1. EXAMINE the horizontal CURSOR readout for a reading within the limits
given in Table 5–5 while setting the HORIZONTAL VOLTS/DIV switch and
peak power watts selectors as indicated.
If within the given limits, no adjustment is necessary. Go on to the next
procedure.
. When you want to set the PEAK POWER WATTS to 300 mW or 30 mW,
simultaneously press the cursor SHIFT button and the 300 mW or 30 mW
button. The indicator to the left of HIGH or LOW will change color from red to
green.
Adjusting Horizontal Balance.
2. Change the following 371B settings:
Table5-5: Horizontal BalanceLimits
PEAK POWER WATTS
Setting
HORIZONTAL
(COLLECTOR) setting
HORIZONTAL CURSOR
READOUT
. See “Test Point and Adjustment Location Pullouts 1 and 2” in Chapter 8
for the location of adjustment R655 and R276.