Tektronix 502A Instruction Manual page 54

Calibration Procedure — Type 502A
TR G LEVEL CENT
HOR Z DEF PLATE SELECTOR SW TCH
HOR Z BEAM REG S
CRT Alignment Clamp
GA N ADJ
FOR HOR Z MODE
5-12
EXT HOR Z
AST G LOWER AMP DC BAL
GEOM
AST G UPPER NORM/MAG
REG S
Fig. 5-14. Top view, Type 502A.
DC TR G
— 150
Fig. 5-15. Left side view, Type 502 A.
HV TEST PO NT
C311
X20 CAL
.2 MV/CM GA N
FEEDBACK BAL
C480 .2 MV/CM D FF BAL
C469
HV
DC BAL
DC BAL
®i