Contrast Calibration Adjustment - Fluke ScopeMeter 190 II Series Service Manual

Explanation of Display Messages and Key Functions
When the Test Tool is in the calibration mode, only the
softkeys, the key, and the
The calibration adjustment menu shows the actual calibration step (name and
number) and its status:
Cal Name
(CL nnnn)
can be:
Status (...)
IDLE (valid)
IDLE (invalid)
BUSY aaa% bbb%
READY
Error :xxxx
The functions of the keys are:
F1
PREVIOUS
F2
NEXT
F3 CALIBRATE
F4 EXIT

Contrast Calibration Adjustment

After you enter the calibration mode, the display shows:
WarmingUp (CL 0200):IDLE (valid)
F3
Do not press
calibration mode again.
To adjust the maximum display darkness (CL 0100), the default contrast (CL
0110), and the maximum display brightness (CL 0120):
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key are active, unless otherwise stated.
CLEAR
Cal Name (CL nnnn) :Status (...)
Name of the selected calibration step, for example,
WarmingUp
Number of the calibration step
After (re)entering this step, the calibration process is not
started. The calibration data of this step are valid. This
means that the last time this step was done, the calibration
was successful. It does not necessarily mean that the unit
meets the specifications related to this step.
After (re)entering this step, the calibration process is not
started. The calibration data are invalid. This means that
the last time this step was done, the calibration was not
successful. Most probably the unit will not meet the
specifications if the actual calibration data are saved.
Calibration adjustment step in progress; progress % for
Input A and Input B. During Warming-Up, the elapsed time
is shown.
Calibration adjustment step finished.
Calibration adjustment failed, due to wrong input signal(s)
or because the Test Tool is defective.
If the error code is <5000 you can repeat the failed step.
If the error code is ≥5000 you must repeat the complete
final calibration (start at Warming-Up 2, Warm-Up Final,
and ADC Timing).
select the previous step
select the next step
start the calibration adjustment of the actual step
leave the calibration mode
. If you do, turn off and turn on the Test Tool and enter the
Calibration Adjustment

Contrast Calibration Adjustment

F1 F4
to
5
5-7