Fluke 830 User Manual page 105

Dimension missing
If however, either of the two significant machine dimensions, "front foot-to-
back foot" and "sensor-to-prism", are missing, the following hint appears.
and highlight 'Yes', confirming selection by pressing
Use /
dimensions screen opens, and missing values may be entered.
Shafts have rotated accidentally or not positioned at either 3:00 or
9:00 o'clock position
If the shafts rotate away from the 3:00 or 9:00 o'clock position, an angle
correction hint appears as shown below.
Rotate the shafts back into the green sector to resume measurement.
Points to observe during soft foot measurement
Note
Horizontal shaft alignment
. The
ENTER
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