Fluke 867B User Manual page 58

Table 3-2. Display Status Information
SYMBOL DESCRIPTION
h
Touch Hold is active.
REL "Rel" (relative reading) is active
(reference minus actual reading.)
Min Max Min Max is active. This is the only
indication if Min Max is running in the
background.
RS232 The serial interface port is enabled.
Hi-Z Hi input impedance selected.
b
Battery is low.
B
Line power operation.
Uncal GMM not calibrated. Contact a Fluke
Service Center.
Internal Internal trigger (or External.)
l
Dangerous voltage is present at the
input terminals when the actual reading
is not displayed.
Some General Descriptions
Understanding Display Features
3
3-9