Probe Calibration Generator Test - Fluke 190-104 Service Manual

Fluke 190-104/190-204
Service Information
7. Observe the trace, and check to see if the Test Tool triggers on the negative pulse
8. Select the following Test Tool setup:
9. Set the calibrator video trigger output signal to -100%
10. Using
11. Set the calibrator format and marker line number to :
12. Observe the trace, and check to see if the Test Tool triggers on the positive pulse

4.7 Probe Calibration Generator Test

To verify Connect a 10:1 probe as supplied with the Test Tool to input A (red probe).
Connect the probe tip and the probe's ground lead with the probe cal terminals on the
lower left side of the Test Tool as shown in figure 4-21.
4-32
⇒ SECAM 310 (odd), for SECAM
⇒ NTSC 262 odd, for NTSC.
before the marker.
•
F4
Press to open the Trigger Options menu.
•
Choose
VIDEO on A...
Polarity: NEGATIVE | PAL
select line number 310 (PAL, PALplus or SECAM) or 262 (NTSC)
⇒ PAL 310 (odd), for PAL and PALplus
⇒ SECAM 310 (odd), for SECAM
⇒ NTSC 262 odd, for NTSC.
before the marker.
Figure 4-20. SC600 Marker Pulse
A
1. Press , and then
2. Select Probe Type:
3. Press ENTER .
F3
4. Press
- PROBE A.
F1
5. Press
- PROBE CAL
F4
6. Press to start the probe calibration. The first step is to manually adjust
the square wave response to a pure square wave (pulse top must be straight). The
trimmer to be operated is located in the probe housing and can be reached by
, then from the shown opened menu choose
( or or
NTSC PALplus
F3
to open the
Voltage | Attenuation:
and follow the instructions as displayed on screen.
or )
SECAM
menu
Probe on A
10:1 .
video-sc600.bmp