Datasheet

B. To clean the shell periodically by dry cloth. However, it
is not allowed to use detergent with abrasive or solvent
components
2: Battery installation or replacement
1 6F22 9V battery shall be supplied for the product.
Please install or replace the battery by following
sequence:
a. Please remove testing rod in the input end during
shutdown.
b. To let panel face downwardly, loosen screws on the
cell box, extract cell cover then remove cell box.
c. To remove old battery from cell box for installation of
new battery according to polarity instructions.
d. Please use the same model of battery. Please do not
install improper battery.
e. To install cell cover and lock screws after installation of
new battery.