User's Manual
USERS MANUAL
Page 5 of 6
3. WWW function keys
Key switch life
Over 10 Million Times
Operation Temp.
-10 to 55℃
Storage temp.
-25 to 65℃
Operation humidity
10% to 95% RH
** The Battery Life is base on 8hours per day to count out.
FAQ (Radio Frequency Problems)
How long I need to change battery?
The battery life will depend on the time you use every day, normally the battery
can be use almost 2-3 months in two alkaline AA type batteries.
Why the keyboards have no function after I change or replace battery?
That is ID code loss problem; you just follow the ID setting procedure to setup
again
Why the loss character problem happen when I typing?
That have many reasons will be cause this problem, please follow below check
list to find out the problem and solve it.
a. Did your battery life out of the date?
Change to new two alkaline AA type batteries and do the ID setting again.
b. Did other similar Radio Frequency product beside your computer?
Redo the ID setting again.
Try to move your keyboard receiver away another receiver to increase the
anti-interference ability, of cause we design this amazing ability in-side
our product but we can not guarantee it have 100% ability from any
interference source.
Note. Please kindly to check the specification in the effective range in
radio transmit, that mean you can not move your receiver out this range
with your keyboard.
c. Did you put receiver near your monitor or some of none antimagnetic
speaker?
Some of monitors have not good EMI protect enough, special is old style
CRT type monitor which is fabricate before year 2000, so please move your
receiver away your monitor at less 10cm.
Move receiver away from none antimagnetic speaker at less 10cm too.








