SONIQ E65UV40A - Menu Operation Guide; Input Source Selection; Channel Operations

Channel Selection
CH /CH buttons on the main unit or on the remote control repeatedly
to select the channel.
0-9 buttons on the remote control to select the channel directly.
VOL+/- buttons on the main unit or on the remote control to adjust the
volume.
MUTE button again or the VOL+
button to resume the sound.
OK
OK
10
MENU OPERATION