Tektronix 371B Service Manual page 142

Performance Verification
C2. Adjusting Vertical
Balance (A5R645, R955,
A10R146)
5-40
Specifications:
H Cursor accuracy is less than 1.5 % of READOUT plus 10 % of VERTICAL
CURRENT/DIV setting.
Equipment Setup. Set up the equipment as shown in the following illustration and
set controls as described.
371B
371B Settings:
Initialize the 371B, then set the following control as indicated.
COLLECTOR SUPPLY
PEAK POWER WATTS
DISPLAY
VERTICAL
CURSOR
Mode
Test Equipment Settings:
Mode
NOTE. 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.
Determining Whether Adjustment is Necessary.
1. EXAMINE the vertical CURSOR readout for a reading within the limits in
Table 5–6, while setting the VERTICAL CURRENT/DIV control and peak
power watts selector as indicated.
30 mW
1 mA/DIV
DOT
DC VOLTAGE
371B Service Manual