Fluke 189 User Manual
Page 27
Getting Acquainted
Understanding the Display
2
2-13
Table 2-3. Display Features
Number
Feature
Description
~
Continuity test function is selected.
<
>
Bar Graph.
In normal operation 0 (zero) is on the left. In Relative %, 0 is in the center, negative
values are to the left and positive to the right.
The polarity indicator left of the bar graph shows the polarity of the input. Both polarity
indicators appear in REL% mode.
The arrow right of the bar graph indicates an overload condition.
Both arrows appear (without bar graph) when you can use
T
(
l
) and
%
(
s
) to select
settings in the setup mode.
p
Percent difference in Relative mode is being displayed in the primary display. The
reference value is shown in the secondary display
e
Relative (REL
∆
) mode is active. The primary display has been modified by the
reference value shown in the secondary display.
-
Indicates negative readings. In Relative mode, this sign indicates that the present input
is less than the stored reference.
Z
>30 V ac and/or dc may be present at the input terminals.
B
Low battery. If flashing, battery failure is imminent, and logging and backlight are
disabled.
W
Warning
To avoid false readings, which could lead to possible electric shock or personal
injury, replace the battery as soon as the low battery indicator appears.