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Care and Storage
When not in use the unit should be returned
to the supplied carry case.
This unit is designed for indoor use only
Operating temperature range
5-40 degrees C
Storage temperature range
0-50 degrees C
The membrane keypad may be wiped clean
with a soft damp cloth. The unit is not water-
proofed and spillages should be avoided.
THIS UNIT CONTAINS NO USER SER-
VICEABLE PARTS. ONLY QUALIFIED
SERVICE PERSONNEL SHOULD
REPLACE OR FIT PARTS.
Battery Charging
The batteries in the ETA unit are shipped
fully charged.
In continuous use with a transducer con-
nected, the batteries have a life of at least 8
hours.
With the unit switched off from a 10% charge
state, the batteries will fully discharge in 25-
50 days. To prevent the loss of all setup
data, the unit has additional battery backup
for the internal memory.
Automatic Power Off
To conserve battery life in use, the unit will
switch off automatically after a predefined
period. Pressing the on key will restore the
unit to the last display prior to powering off.
Fast Charge
The ETA’s should only be recharged with the
supplied ETA-BC (Model MPP3OUS12) Bat-
tery Charger. ETA’s, are supplied with inter-
nal NiMH (Nickel Metal Hydride) batteries.
These are environmentally friendly batteries
presenting no problems for safe disposal
and are capable of sustaining a rapid
recharge. From fully discharged, the unit will
require a charging period of approximately
2.5 hours.
To charge the batteries following a period of
use, connect the supplied charger to the
charging socket on the back of the unit and
plug the charger into a suitable supply. The
green LED will come on to indicate the
machine is charging and will start to flash
when the unit is fully charged. If the red LED
comes on, this means there is a problem
and usually indicates a faulty battery.
The Fast Charge method gives an increase
in the effective life of the charged batteries.
7529_eng.fm Page 9 Wednesday, November 12, 2003 8:57 AM