8
R
3.4 What the symbols mean
Menu
Indicates that the
display is showing
menu information,
not readings.
Alarm
Indicates that
∆
T is
less than 3°C.
When
∆
T rises
above 3.5°C, the
alarm switches off.
Link
Indicates that
memory is on.
Press
twice
to store a reading
while memory is
on.
Battery
status
4 segments: Full
1 segment: Empty
Flashing: Change
battery now
Relative
humidity
Time
C
F
%Rh
alarm
link
menu
C
F
%Rh
menu
alarm
link
C
F
%Rh
menu
alarm
link
HOLD
C
F
%Rh
menu
alarm
link
C
F
%Rh
menu
alarm
link
%Rh