Sony HDW-700A Operation Manual page 24

The internal volume control can be adjusted so that the alarm is audible
even if the ALARM volume control is at the minimum position.
For more information, refer to the Maintenance Manual.
2
!™ MONITOR volume control
This control adjusts the speaker or earphone volume for sounds other
than the alarm sound. At the minimum position, no sound can be heard.
!£ MONITOR (audio channel select) switch
This switch selects the audio channel to be output from the speaker or
earphone.
CH-1: Channel 1 audio
MIX: Mixed sound of channels 1 and 2
CH-2: Channel 2 audio
2-10
Chapter 2 Locations and Functions of Parts and Controls
MONITOR
CH-1
MIX
CH-2
Minimum
MONITOR volume control
Maximum