Canon TX-F Operation Manual page 60

Full auto tonometer
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8.2 Before Calling a Service Person
Message / Display
LOST BACKUP DATA
LOST DATE DATA
LOW BATTERY
SYSTEM ERROR
(xxx*)
ILLEGAL CODE ERROR
ILLEGAL SLOT ERROR
CPU ADDRESS ERROR
DMAC ADDRESS ERROR
* xxx indicates a three-digit number.
Cause
Problem has occurred in the
instrument.
Voltage of the battery for data
backup is low.
Problem has occurred in the
instrument.
Problem has occurred in the
instrument.
– 50 –
Remedy
Although you can continue the
measurement for time being, the
data cannot be backed up.
Immediately ask Canon or dis-
tributor for replacement.
Although you can continue the
measurement for time being, the
data that are backed up will be
lost in time. Immediately ask
Canon or distributor for replace-
ment.
Turn OFF the power switch and
turn it ON again after about 10
seconds.
Turn OFF the power switch and
turn it ON again after about 10
seconds.

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