TB 9-6625-2084-24
WARNING
HIGH VOLTAGE is used or exposed during the performance of
this calibration.
DEATH ON CONTACT may result if
personnel fail to observe safety precautions.
REDUCE
OUTPUT(S) to minimum after each step within the
performance check where applicable.
a. Remove protective covers from TI as required to make adjustments. Replace cover
after completing the adjustments.
b. Install calibration fixture in TI left vertical compartment and time base in
horizontal compartment.
c. Position controls as listed in (1) through (9) below:
(1) INTENSITY control fully ccw.
(2) VERT MODE LEFT pushbutton pressed.
(3) TRIG SOURCE LEFT pushbutton pressed.
(4) NON-STORE pushbutton pressed.
(5) VAR PERSISTENCE pushbutton pressed (ccw (MAX) for Type 7613).
(6) READOUT control to OFF (detent).
(7) REDUCED SCAN control to OFF. (Type 7633/R7633).
(8) Press POWER OFF/ON pushbutton to ON and allow at least 20 minutes for warm-up.
(9) Adjust INTENSITY control for suitable viewing on TI.
d. Position calibration fixture controls as listed in (1) and (2) below:
(1) TEST switch to VERT or HORIZ GAIN.
(2) REP RATE 1 kHz pushbutton pressed.
e. Position time base controls as listed in (1) through (8) below:
(1) MAIN TRIGGERING MODE AUTO pushbutton pressed.
(2) MAIN TRIGGERING COUPLING AC pushbutton pressed.
(3) MAIN TRIGGERING SOURCE INT pushbutton pressed.
(4) TIME/DIV OR DLY TIME switch to 50 s.
(5) MAG pushbutton to X1.
(6) DLY'D TRIG SLOPE pushbutton to .
(7) DLY'D TRIG COUPLING AC pushbutton pressed.
(8) DLY'D SOURCE INT pushbutton pressed.