Fluke 1663 - Page 24

Electrical Installation Tester
Operation
15
Table 7. Display Features (cont.)
Item Annunciator Definition
L
Secondary display. A test can return more than
one result or return a computed value based on
the test result. See specific test instructions for
more information.
M
V
H±
kA
Hz
Measurement units for Secondary display.
N
h
Memory locations. See Memory Mode for detailed
information on how to use the memory locations.
O
,
Battery status. See How to Test the Battery and
Battery Replacement sections for additional
information on batteries and power management.
P

Shows when you press .

Shows when you press  and look at stored
data.
Q

Memory locations. See Memory Mode for detailed
information on how to use the memory locations.
R
ms
mV
mA
MH±
mH
Measurement units for primary display.
S
Primary display.
T
Indicates the preset fault voltage limit. The default
setting is 50 V. Some locations require the fault
voltage be set to 25 V, as specified by local
electrical codes.