Zigen AX-88 Audio - Manual (Page 46)

Matrix Switching System—User Manual
45
4. Press the MUTE key to enable or disable
the volume to all ports.
5. Press the MUTE again to release mute
function.
6. Press the VOL+/VOL- key to
increase/decrease the volume of all ports.

Once you press the other key, the volume
field will show you as “- -“.
7. Press / key to increase/decrease the
values of selected audio feature to all ports.

Once you press the other key, the audio
feature field will show you as “- -“.