A7 Plus – OPERATOR'S MANUAL
this information can be also displayed on the TOUCH DISPLAY
through the special icons ( A ) or ( B ) (see paragraph 5.1.) or
inside the special menu controlling the foot control (see
paragraph 5.1.1.2.3.).
Battery characteristics.
The WIRELESS foot control is equipped with a rechargeable Lithium-
Polymer battery ( Li-Poly, 3.7V, 5200 mAh type Guangzhou Markyn
Battery Co. Model 9051109 ).
The battery life is approximately 2 months (estimating 8 hours of
consecutive daily operation) with the battery fully charged and fully
efficient. The battery efficiency reduces with age. It is estimated that the
efficiency is reduced to 60% after 500 complete recharging cycles. Also
in this condition, the battery should last about 1 month.
when the battery efficiency is so reduced as to be deemed
unsatisfactory to support the daily usage requirements, have it
replaced by a qualified technician (original spare part no.
97901336).
Do not attempt to replace the battery yourself.
Limited battery warranty.
The battery in the foot control is covered by a 6-month warranty from the
date of installation.
Recharging the battery.
When the batteries in the WIRELESS foot control need to be recharged,
Proceed as follows:
• Open the protective cap of the connector on the rear of the foot control
and connect the recharging cable.
• Connect the other end of the recharging cable to the dental unit (see
figure).
At this point, the foot control is in the battery charging phase (battery
charging warning LED on) even though remaining fully functional.
the battery is fully recharged in about 6 hours.
Exclusively use the dental unit to charge the battery of the
WIRELESS foot control.
Natural battery discharge.
Should the battery not be used for long periods of time, it may slowly
discharge all the same.
If unused for long periods of time, it is advisable to always fully charge
the battery before use.
Maintenance and disposal
The wireless foot control does not contain parts that can be repaired
directly by the user.
In the event of a malfunction, do not attempt to carry out maintenance
operations,
but directly contact the manufacturer or his local distributor at the
numbers indicated in the warranty certificate.
At the end of its lifetime, the battery must be replaced by a specialised
technician
at a Service Centre.
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