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5.
Parts Replacement
5.1
Battery replacement
Follow these steps to replace the batteries:
(1)
Press and hold “
◎
” button to turn
NRF51 off.
(2)
Open the cap of battery compartment
using a coin or coin driver.
(3)
Replace the batteries.
Insert new ones properly in the
compartment with care to check the
directions “+” and “-“.
(Both batteries are positioned in the
same direction)
(4)
Close the cap and tighten with a coin or
coin driver.
* NRF51 can be operated even by one battery.
1.
When replacing batteries, make sure to turn off NRF51.
2.
During replacement, align the battery polarity correctly.
3.
Use only AA Alkaline battery.
4.
When replacing batteries, both batteries must be changed at the same
time.
5.
To ensure airtightness, make sure the cap is in close contact before
closing.
Attention
Close
Open
Use a coin to open
＋
－
Coin driver
Battery polarity sign
