3M 2220M Cable Box User Manual


 
4
Warning
Potential for electric shock exists when handling connection cables while the
transmitter is ON. Make all connections prior to powering on the unit. Turn the
transmitter OFF before handling connection cables.
Warning
Voltage greater then 240 volts will damage equipment and could cause personal
injury or death. Make all connections before turning on the transmitter. Follow
standard procedures for reducing the voltage.
Receiver Battery Installation
The Receiver displays the battery level across the bottom of the start up screen
when the unit is powered on.