Acoustic Research WHT24 Manuel D'installation Et D'opération page 14

3. Connect the 6.3VAC power supply adapter labelled "FOR TRANSMITTER."
4. Plug the transmitter into your power outlet (switched outlet recommended).
5. Turn the transmitter on by pressing the Power on/off button on the back of the
transmitter.
FIGURE 10 - Connect Power to Your Transmitter
POWER
BUTTON
Power
on/off
6.3VAC
R Audio In L
+
page 12
Link
Speaker
R Audio In L
/RCA