Fluke ScopeMeter 190 Series III, Руководство по обслуживанию

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190 Series III
Service Manual
42
4. Set the 5502A to operate (OPR) or standby (STBY) as indicated.
5. Press
3
to start the calibration.
Wait until the display shows calibration status CL 0529: READY .
6. Press
2
to select the next calibration step, set the 5502A to the next calibration
point signal, and start the calibration.
Continue through all calibration points for
Input B LF-HF Gain and wait until the display
shows calibration status CL 463: READY .
7. When you are finished, set the 5502A to Standby.
8. Continue at the
Input C LF-HF Gain section.
Input C LF-HF Gain
Sections Input C LF-HF Gain and Input D LF-HF Gain are for 4-channel ScopeMeters (190-104,
190-204, 190M-4, 190-504, and MDA-550-III models). For 2-channel models, see Input AB
Position (All Models) .
To do the Input C LF-HF Gain calibration:
1. Connect Ch. C of the Test Tool to the 5502A. See
Figure 15 .
The display must show step CL 0694 (Pos C Fast). If it does not, then press
1
or
2
to select the first calibration step in Table 14 , Input C LF-HF Gain .
Figure 15. 5520A Scope Output to Test Tool Input C
2. Set the 5502A SCOPE output to source the signal required for the first calibration point in
Input C LF-HF Gain .
3. Set the 5502A to operate (OPR) or standby (STBY) as indicated.
4. Press
3
to start the calibration.
A D C
B
NORMAL SCOPE
FLUKE 5502A CALIBRATOR
PM9091
PM9585 - 50
:
USE 50
:
TERMINATION
4 CHANNELS
For 190-502 and -504
use only TRM50!