Citizen D710 Instruction Manual page 94

Problem Possible Cause
Faded display Low ambient temperature. The
display may fade in low-
temperature environments.
Unable to The size AA batteries of the
charge (LED charger worn out.
does not
The watch is not properly
light)
installed on the charger or
communication unit.
The connection pins of the
charger or communication unit
are soiled.
The watch is already fully
charged.
Log data is The file error warning function
not recorded (FILE is displayed) has been
even when activated either before or during
diving diving.
* Log data may not be stored during
diving if the file error warning
function has been activated.
Log data is The watch did not switch to dive
not correctly mode during diving.
stored
according to
the actual
Log data was not stored
dive (a
starting at some point during
portion of the
the dive when the insufficient
log data
charge warning function was
display is
activated as a result of the
flashing)
watch having become
insufficiently charged.
* If the insufficient charge warning
function (BATT is displayed) is
activated during diving, storage of
log data is discontinued from that
time on.
94
Corrective Action
The display will return to normal
when the watch is returned to
normal temperature. If you
want to temporarily make the
display darker when using in
low-temperature environment,
the contrast can be corrected in
the time mode correction state
of the standard mode.
Replace the size AA alkaline
batteries with 4 pcs. of fresh ones.
Properly reinstall the watch on
the charger or communication
unit so that the two center
connection pins of the charger
or communication unit contact
the gold colored pins at the
3:00 position of the watch.
Wipe off the connection pins
with a dry cloth.
The LED goes out when the
watch is fully charged.
If "FILE" remains displayed
even after diving, perform the
garbage collection procedure in
the system monitor mode.
Check the section on "Watch
does not switch to dive mode".
Always make sure to sufficiently
charge the watch before diving.
Reference
"Using the
Standard Mode: 1-
B Setting the Time
and Date"
"Charger"
"Warning
Functions"
"Using the
Standard Mode: 7.
Using the System
Monitor Mode"
"Warning
Functions"
"Charger: 3.
Charging the
Watch"