GPI GPR-G9, Instruction Manual

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3. Recharge battery
(1) When the batteries needs to be charged, connecting the charger with AC.
Insert the plug of charger into the plug hole at the bottom of the instrument
(As depicted below).
(2) If the indicator of charger lights, it shows the batteries are being charged.
(3) If the indicator light of the charger winks, it shows the course of recharging
has ended.
Notices:
1. Using the standard rechargeable batteries of the instrument, recharging will be
Plug hole
Charger