Elecom SHELLPHA M-SH20BBS User Manual page 36

2) Remove the battery insulating tab.
3) Put the battery cover back on.
4) Slide the power switch/device selection switch on the bottom of the mouse to
"CH1" or "CH2".
The LED will light up for a period of time.
* When the battery level is running low, the LED will blink for a period of time.
Power-saving mode
When the mouse is left untouched for a fixed period of time while the power is ON, it
automatically shifts to power-saving mode.
The mouse returns from power-saving mode when it is moved.
* Mouse operation may be unstable for 2-3 seconds after returning from the power-
saving mode.