Optimus OF-722ETH Manual De Instrucciones página 12

2) Unscrew and pull out the battery compartment.
3) Insert the battery respecting the polarity
indicated in the attached figure.
4) Insert and screw the battery
compartment and connect the
power again
2)
IF-722ETH version 5.0.001
IF-722ETH
4)
R+D Department
IP Audio interface
2 inputs / 2 outputs
3)
10