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7. Maintenance notice
a) This instrument cannot be poured on water. Please take care not to make water
pour or spray into instrument when washing the vehicle. If the water is on instrument
surface inadvertent, clean it with dry cloth at once.
b) Please do not often pull in or out the plug of instrument and wiring to prevent
loose.
c) The battery electric quantity meter of instrument should always have 48V electric
power. Normally the consumer pulls out the general power plug when stop using the
tractor, then the meter will lose the capacity. When using next time, the display maybe
not on the former position, it is normal. And it will display on the right position
after a while. When battery capacity decreases near to lower limit, and when connect to
the electric power again after shut off power for a while, the meter reading will
increase. It does not mean the capacity increase. Please charge the battery in time or
the work life of battery will be influenced. .
d) When the time counter value is full (display 99999.9), Please contact with Heli
at once to reset it.
e) Please contact with Heli if the instrument is abnormal.
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