HOBO U14 Data Logger User Manual
9
LCD Indicators
Memory
Display
States
State
MEM
LEFT
Hash
marks
Segments
Illustration
Stopped
On
None
Launched/
Logging
On
Number
of
segments
depends
on
memory
remaining.
Highest
segment
flashes.
Launch
Delaying
Flashing
All
On/Flashing
Memory
Full
Flashing
(until
data
is
downloaded)
All
Off
External
Sensor
Removed
If
an
external
sensor
is
disconnected
from
the
logger,
the
logger
will
record
values
of
‐
888.88°C/
‐
888.88
°F
for
temperature
and
0%
RH.
No
External
Sensor
If
the
U14
‐
002
logger
is
launched
and
no
external
sensor
has
been
connected,
the
display
will
show
dashes
“
‐‐‐
”
and
will
log
false
values
(
‐
888.88°C/
‐
888.88°F
for
temperature
and
‐
888.9%
for
RH).
Temp
Only
Sensor
Installed
If
a
temperature
‐
only
sensor
is
connected,
no
RH
value
will
be
displayed.
No
RH
Sensor
Installed
but
Channel
Active
A
display
of
‐‐
%
RH
indicates
that
the
humidity
channel
is
active
in
the
software
and
should
be
turned
off
to
maximize
memory
space.
Otherwise,
the
unit
will
record
a
‐
888.9%
RH
value
at
every
logging
interval