Fluke PM3082 Service Manual page 451

PERFORMANCE TEST
8 - Switch the MAIN TB display to 'off in the DELAYED TIME BASE menu: only the DELAY TB is
displayed now.
requirements:
Verify that the jitter of the DTB is not more than 0.4 divisions. (1 part per 25000)
6.3.30 Horizontal deflection; X deflection coefficient via CH1
The amplification of the horizontal amplifier via the vertical input amplifier is checked.
test equipment:
Fluke 5500A mode: volt (Alternative: square-wave calibration generator PG 506)
test set-up:
5500A
settings/procedure:
1 - Apply a 1 kHz square-wave signal of 0.1V to input CH1. Generator in 'mode volt' mode and
output not terminated into 50Q ('LZ' must not appear in lower part of viewing area).
2 - Press the AUTOSET key.
3 - Set CH1 to 20 mV and DC coupled input.
4 - Select X-DEFL 'on' and 'c h i' in the menu under the TB MODE menukey.
5 - Press the CH2 ON key and then the CH1 ON key; the result is that CH2 is on and CH1 off.
requirements:
Verify that two dots with a horizontal distance of 4.7 ... 5.3 divisions are displayed.
OSCILLOSCOPE UNDER TEST
500 CABLE
STBIM
6 - 2 5