Fluke 1662 User Manual page 25

1662/1663/1664 FC
Users Manual
Item Annunciator
U
RCD
V
e/d
W


X
Y
Z
a
16
Table 7. Display Features (cont.)
Indicates the selected rotary dial setting. The
measurement value in the primary display also
corresponds to the dial setting.
Indicates that the measured trip current (trip
current test) or the measured trip time (trip time
test) meets the appropriate RCD standard. For
more information, see the RCD Tripping Time
table in the Specifications section of this manual.
Terminal indicator symbol (
symbol with a dot (
terminal is required for the selected function. The
terminals are:
•
•
•
Arrows above or below the terminal indicator
symbol indicate reversed polarity. Check the
connection or check the wiring to correct.
An "X" through the terminal indicator symbol
indicates that the wire, test lead, and/or installation
wire are broken.

High voltage present.
C
Data exchange with PC in process.
Appears when the leads are successfully zeroed.
After the zeroing procedure, the icon illuminates to

indicate that the zero value is stored for the
selected input terminals. Only used for continuity or
loop tests.
Radio is turned on. If  blinks steadily, 1664 FC
is searching to connect. If it blinks at 5 s intervals,

1664 FC is connected to the Fluke Connect app.
For more information about Fluke Connect, see
page 68.
Definition
d
) in the center indicates the
L (Line)
PE (Protective Earth)
N (Neutral)
e
). A terminal indicator