User's Guide

by the battery, the red indicator will wink; If the battery is

totally exhausted, the indicator will not light.

6. Power Key

• Pressing and holding, will switch the FSU810 on and off.

• After switching the FUS810 off, please wait for a moment

before switching it on again.

7.Included Whip Antenna

• Do not bend or shake the antenna to prevent damage.

8. Holes for Hanging

• FSU810 can be wall-mounted to save space.

9. Battery Compartment Cover

1.4 Battery installation

• To ensure proper operation in the event of a power failure,

the battery must be correctly installed.