Fluke PM3082 Service Manual page 445

PERFORMANCE TEST
test set-up:
5500A
SCOPE
OUTPUT
o
l
settings/procedure and requirements:
1 - Apply a 2 kHz sine-wave signal of 400 mV (pp) to input CH1.
2 - Press the AUTOSET key and set CH1 to 0.1 V/div.
3 - Adjust the generator signal to a trace height of 4 divisions.
4 - Set MTB to 0.5 ms.
5 - Press menukey DTB.
6 - Set DEL'D TB to 'on' in the DELAYED TIMEBASE menu.
7 - Set MAIN TB to 'on' in the DELAYED TIMEBASE menu.
8 - Set the DELAYED TIME BASE to 50 ps.
9 - Operate the DELAY control and verify that the intensified part can be shifted horizontally along
the MAIN TB display.
10 - Operate the TRACE SEPARATION keys (or the TRACK control) and check that the DELAY TB
and MAIN TB display can be shifted so that they do not cover each other.
6.3.23 Horizontal deflection; X deflection
The correct working of the X Y mode (X-DEFL 'on') is tested.
test equipment:
Fluke 5500A mode: wavegen, wave sine (Alternative: function generator, PM5136)
test set-up:
5500A
SCOPE
OUTPUT
o
T
settings/procedure:
1 - Apply a 2 kHz sine-wave signal of 800 mV (pp) to input CH1.
2 - Press the AUTOSET key and set CH1 to 0.1 V/div.
3 - Adjust the generator signal to a trace height of 8 divisions.
4 - Select X DEFL 'on' in the TB MODE menu (present under the TB MODE menu key).
5 - Select 'ch1 ' as X-deflection source in the TB MODE X-DEFL menu.
6 - Use the CH1 POS and X POS controls to obtain the display in the figure below.
OSCILLOSCOPE UNDER TEST
r
DH1
<Q
v ________________
W
500 CABLE
OSCILLOSCOPE UNDER TEST
/
nm
< Q O O O
___________
W
500 CABLE
\
C . H 9 C M A
CHS
O O O J
T T
A
rtH9 r.m r>4d
,
U
6 - 1 9