Fluke 1577 User Manual page 19

Table 4. Display Indicators (cont.)
Indicator
Z
Unsafe voltage warning. Indicates 30
V or greater (ac or dc depending on
the rotary switch position) is detected
on the input. Also appears when the
display shows 0L in the
switch positions, and when batt
appears on the display. The Z also
appears when insulation test is active,
or in Hz.
a
"Smoothing" enabled. Smoothing
dampens display fluctuations of rapidly
changing inputs by digital filtering.
Smoothing is available for insulation
testing on Model 1587 only. For more
on smoothing, see Power-Up options.
K
Indicates the low-pass filter function
(1587 and for ac volts is selected.
1587T only)
Description
B C E
, , or
Indicator
Y
Indicates AutoHold is active.
S
Indicates display hold is active.
M
Indicates minimum, maximum, or
n
average reading has been selected
using the m button.
(1587 and
1587T only)
X
Continuity test function is selected
O
Diode test function is selected
(1587 and
1587T only)
nF, F, C, F,
Measurement units
AC, DC, Hz, kHZ,
, k , M , G
0. 0 . 0 . 0
Primary display
V DC Volts
1000
Secondary display
Insulation Multimeters
Understanding the Display
Description
9