190 Series III
Service Manual
40
Warming-Up 2, Warm-Up Final, and ADC Timing
Do the Warming-Up 2 step (
CL 0500
) with open inputs:
1. Press
3
to start the calibration.
Wait until the display shows calibration status
End Precal:READY
.
2. Press
2
to select the next calibration step (
CL 0201, WarmUpFinal
).
3. Press
3
to start the calibration.
Wait until the display shows calibration ready.
4. Press
2
to select the next calibration step (
CL 0570, ADC Timing
).
5. Connect Ch. A of the Test Tool to the 5502A SCOPE output. See
. Use a 50
Ω
termination.
6. Set the 5502A to generate a sine wave 50.25 MHz / 0.5 V pp (mode LEVSINE) at the SCOPE
output.
7. Set the 5502A in operate (OPR).
8. Press
3
to start the calibration.
Wait until the display shows calibration status
:READY
.
9. Set the 5502A in standby (STBY).
10. Continue at the
section.
Figure 13. 5502A Scope Output to Test Tool Input A
NORMAL
SCOPE
FLUKE 5502A CALIBRATOR
USE 50
:
TERMINATION
A
B
METER
TRM 50 - 50
:
PM9091
2 CHANN. + METER
For 190-502 and -504
use only TRM50!