Horizontal Display - Tektronix TYPE W Calibration Procedure

CALIBRATION . NOTES
1. PRELIMINARY INSPECTION
a. Install current modt fications
b. Install tranststor cover
2. PRESET CONTROLS
a. TYPE 547
HORIZONTAL DISPLAY B
SINGLE SWEEP NORMAL
TRIGGERING
MODE AUTO STABILITY
SLOPE +
COUPLING AC
SOURCE NORM INT
TRIGGER LEVEL cw
A and B TIME/CM . 5mSEC
A and B VARIABLE TIME/CM CALIBRATED
CRT CATHODE SELECTOR CRT CATHODE
b. TYPE W external controls
Ve RANGE +11V
COMPARISON VOLTAGE (Vc) 10
COMPARISON VOLTAGE dial 10.0
AC-DC-GND (both) GND
INPUT ATTEN 1
DISPLAY A-Ve
MILLIVOLTS /CM 50
VARIABLE — . CALIB
DIFF BAL -midr
GAIN _ midr
VAR BAL midr
DC BAL up
POSITION midr
ce. TYPE W tnternal adjustments
Variable resistors midr
Variable capacitors half meshed
Leave controls and adjustments for any
step as they were in the step preceding
unless noted otherwise.