Philips SCOPEMETER PM93 Service Manual page 112

CALIBRATION ADJUSTMENT PROCEDURE
524. External triggering
24
11611
Purpose: calibrate the 0.2V external trigger level.
~V~~,"
Calibration equipment:
Fluke 51 OOB Calibrator
Calibration setup:
Fluke 5100B
BNC 10 BANANA--
(female) (male)
L . . . . f - - ' o - - - - - - - '
Procedure:
OODDD
DCJCJO
ODDOO
O D D
DDBDD
DDDDD
DODD
ScopeMeler
5 - 13
A - Apply a 10kHz sine wave signal with an amplitude of 2V peak-to-peak to channel A and also to
the banana connectors. Use a coaxial signal splitter and a BNC(female)-to-banana(male)
converter (see calibration setup). (Set the Fluke 51 OOB to 0.707V RMS, 10kHz sine wave).
B - Press the READY soft key.
525. Random sampling
25
11611
Purpose: calibration of the random sampling levels.
~v:,~""
Calibration equipment:
Tektronix PG 506 Square Wave Calibration Generator