Replacing the Battery
The RT-8212 uses two CR-2032 lithium batter-
ies and the RT-8214 uses 3 CR-2032 lithium
batteries. Replace the batteries as soon as the
“WARNING LOW BATTERY” message
appears.
Warning! Please turn the unit off before
removing the batteries. When batteries are
removed, the unit will revert to the default sys-
tem settings after a few seconds. Remove and
replace batteries one at a time. Make sure you
do not accidentally press
while changing
the batteries.
If the unit fails to respond after you change the
batteries, press the Reset button located on the
back of the unit. Press N to reset the unit with-
out erasing your data. Pressing Y will erase
your data. Always keep written records of your
important information. If the unit still fails to
respond, please remove the batteries and then
press and hold the Reset button for approxi-
mately two seconds. Reinstall the batteries.
Important Note: Pressing the Reset button
with the batteries removed will revert the unit to
the default system settings.
Please have a small Phillips screwdriver and the