Fluke ScopeMeter 19 B Series, Руководство по обслуживанию

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Performance Verification
4.5 Display and Backlight Test
4
4-5
4.4.3 Creating Test Tool Setup1
Before starting the verification procedure you must define a standard test tool setup,
called SETUP 1. During verification you will be asked to recall this setup. This defines
the initial test tool setup for each verification.
Proceed as follows to create SETUP1:
1. Reset the test tool. Input A is ON, Input B is OFF now.
2. Press . The inverse text indicates the actual settings.
3. Press (toggle key) to select
INPUT B ON
. The Input B trace will become
visible.
4. Press to change the
PROBE B
setting.
5. Select
Probe Type: Voltage | Attenuation: 1:1
.
6. Press . The inverse text indicates the actual settings.
7. Press to change the
PROBE A
setting.
8. Select
Probe Type: Voltage | Attenuation: 1:1
.
9. Press
10. Press to select
READINGS ON
11. Press
READING 1
, and select
on A | V dc
12. Press
READING 2
, and select
on B | V dc
13. Press
WAVEFORM OPTIONS
and select
Glitch Detect: Off | Average: Off | Waveform: NORMAL
14. Press to select MANUAL ranging (
MANUAL
in upper left of screen)
15. Press
16. Press
SAVE...
17. Using and select
SETUP 1 (
or
1
).
18. Press
SAVE
to save the actual test tool settings in setup memory 1.
19. Press to leave the HOLD mode.
4.5 Display and Backlight Test
Proceed as follows to test the display and the backlight:
1. Press to turn the test tool on.
2. Remove the BC190 adapter power, and verify that the backlight is dimmed.
3. Apply the BC190 adapter power and verify that the backlight brightness increases.
4. Press and hold (USER), then press and release (CLEAR MENU)