Hisense AUD-18UX4SGKL User And Installation Instructions Manual page 28

How to Insert the Batteries
Remove the battery cover according to the arrow direction.
Insert new batteries making sure that the (+) and (-) of
battery are matched correctly.
Reattach the cover by sliding it back into position.
Note:
Use 2 LR03 AAA(1.5volt) batteries. Do not use rechargeable batteries.
Replace batteries with new ones of the same type when the display
becomes dim.
How to Use
To operate the room air conditioner, aim
the remote controller to the wire remote
controller. The remote controller will operate
the wire remote controller at a distance of
up to 8m when pointing at signal receptor
of the wire remote controller.
remote controller operation manual
SET TEMP
ROOM TEMP
A
25
C
AUTO
NO
TIMER ON
TIMER OFF SET TIMER