Rosewill DL-2090H - Manual (Page 5)

RM1670W
ID code
connection
Operation Guide
Battery Low Indication
When the voltage level of the battery goes down under the preset level, the
scrolling wheel will flash at least three times on moving or clicking the mouse.
Although the mouse can still work for a while, at this moment, user should put the
mouse on the receiver (charger) to re-chargeable batteries as soon as possible.
Operations on power saving mode- In order to conserve battery power, the
mouse is designed to reduce power consumption gradually from standby
mode to sleep mode, if it is not being used.
Standby mode - Around 2 seconds after the mouse stops moving, it enter
into standby mode.
Sleep mode - If the mouse is left intact for around 8 minutes, it goes to sleep
mode and shuts down the optical sensor to maintain minimum power