Epson MovieMate 30s Quick Manual page 7

Powering the Transmitter
The transmitter can be powered using the included power adapter or four AA
batteries. To use batteries, see "Installing Batteries" below. To use the power
adapter, see "Connecting the Power Adapter" on page 8.
Caution:
Use only batteries or the power adapter to power the transmitter. Using both at the
same time may damage the transmitter.
Installing Batteries
1. Remove the battery cover by sliding it as shown below.
2. If necessary, remove the old batteries and insert four AA batteries as
shown below.
3. Replace the battery cover.
7
Connecting the Audio Set Transmitter