Fluke 124B/S Service Manual - Page 36

Input A and B Base Line Jump Test, beeped twice

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Fluke 123/124/125 Service Manual Figure 3-2. Menu item selection ST7968.WMF If an item is selected, it is marked by . Not selected items are marked by □ If a selected item is highlighted, an then is pressed, the item remains selected. You can also navigate through the menu using . To conform the highlighted item you must press . Before performing the Input A and Input B tests, the test tool must be set in a defined state, by performing a RESET. Proceed as follows to reset the test tool: • Press to turn the test tool off. • Press and hold . • Press and release to turn the test tool on. Wait until the test tool has beeped twice, and then release beeped twice, the RESET was successful. . When the test tool has For most tests, you must turn Input B on. Input A is always on. Proceed as follows to turn Input B on: • Press to open the Meter B menu. • Using select INPUT B: □ ON . • Press to confirm the selection; the □ mark changes to ■ . The active setting from the next item group will be highlighted (for example Vac ), and maintained after leaving the menu. • Press to exit the menu. 3.5.1 Input A and B Base Line Jump Test Proceed as follows to check the Input A and Input B base line jump: 3-6

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Fluke 123/124/125
Service Manual
3-6
ST7968.WMF
Figure 3-2. Menu item selection
If an item is selected, it is marked by
.
Not selected items are marked by
□
If a selected
item is highlighted, an then
is pressed, the item remains selected.
You can also navigate through the menu using
.
To conform the highlighted item you
must press
.
Before performing the Input A and Input B tests, the test tool must be set in a defined state,
by performing a RESET.
Proceed as follows to reset the test tool:
•
Press
to turn the test tool off.
•
Press and hold
.
•
Press and release
to turn the test tool on.
Wait until the test tool has
beeped twice
, and then release
.
When the test tool has
beeped twice, the RESET was successful.
For most tests, you must turn Input B on.
Input A is always on.
Proceed as follows to turn Input B on:
•
Press
to open the Meter B menu.
•
Using
select
INPUT B:
□
ON
.
•
Press
to confirm the selection; the
□
mark changes to
■
.
The active setting from
the next item group will be highlighted (for example
Vac
), and maintained after
leaving the menu.
•
Press
to exit the menu.
3.5.1 Input A and B Base Line Jump Test
Proceed as follows to check the Input A and Input B base line jump: