Contrast Calibration Adjustment - Fluke 199B Service Manual

Fluke 19xB-19xC-2x5C
Service Manual

5.4 Contrast Calibration Adjustment

After entering the calibration mode the display shows:
WarmingUp (CL 0200):IDLE (valid)
Do not press
calibration mode again.
Proceed as follows to adjust the maximum display darkness (CL 0100), the default
contrast (CL 0110) , and the maximum display brightness (CL 0120).
1.
2. Press
3. Using
4.
5.
6. Press
7. Using
8.
9.
10. Press
11. Using
12. Press
13. Now you can either
5-6
now! If you did, turn the test tool off and on, and enter the
Press three times to select maximum darkness calibration
CALIBRATE
adjust the display to the maximum darkness at which the test pattern
is only just visible.
Press to return to the softkey menu.
Press to select default contrast calibration
CALIBRATE
set the display to optimal (becomes default) contrast.
Press to return to the softkey menu.
Press to select maximum brightness calibration
CALIBRATE
adjust the display to the maximum brightness, at which the test pattern
is only just visible.
to return to the softkey menu.
•
Exit, if only the Contrast had to be adjusted. Continue at Section 5.7.
or
•
Do the complete calibration. Press
and continue at Section 5.5.
Figure 5-2. Display Test Pattern
. The display will show a dark test pattern, see Figure 5-2
. The display shows the test pattern at default contrast.
. The display shows a bright test pattern.
to select the next step (WarmingUp),
Contrast (CL 0100):
Contrast (CL 0110):
Contrast (CL 0120):