Schiller Argus VCM Mode D'emploi page 18

Description of Controls, Indicators, Symbols and Displays
Symbols
12
ARGUS VCM
Description
Pulse Tone Volume Setting indicator
is flashing when the pulse tone volume setting is selected in the
setting mode.
Alarm Volume Setting Indicator
is flashing when the alarm volume setting is selected in the
setting mode.
Network Indicator
is flashing when the monitor is set to software upgrade mode.
Operator's Manual
ARGUS VCM