iPazzPort KP-810-19R/19VR - Manual (Page 5)

Change operation directions
As we know, some times, we want to operate the wireless keyboard
vertically, and some times horizontally, when operation direction is
changed from vertically to horizontal, but touchpad will not, for example,
supposed you operate unit vertically, and you slide your finger on the
touchpad vertically, the mouse cursor on the screen of computor will
move vertically but when operation direction is changed from vertical
to horizontal, when you slide your finger vertically and mouse cursor
will move horizontally, now please press key Fn together with key Esc
to change its operation direction, and mouse cursor will move with your
finger direction.
Insert USB receiver into USB prot in the computer,system will find new
hardware “ Wireless Audio HID Device” and will install driver
automatically, Turn unit on after driver installation successfully by
switching power button to on, LED will flash one time then go
out. That means your keyboard and computer have built connention
and they are paired.
Recharge your keyboard
When your keyboard backlit flash without any operation that means
your keyboard is in low charge, and needs to recharge, Connect your
keyboard to your computer with mini end of USB cable to your
keyboard and another end to computer, then led will light up with
steady on, and go out when it is fully recharged, and LED will go out.
Power Switch