Qualis Audio Sentine, User Manual, Page: 24 / 108

18 User Manual
The Qualis Audio Sentinel is intended to be controlled over a network
connection from a standard Javascript enabled browser. However,
some of the settings are only accessible from the front panel, princi-
pally those relating to network operation. All settings affecting instru-
ment operation, alarming and reporting are stored in non-volatile RAM
to ensure proper operation after power failure.
Front panel displays and controls
Buttons and knob are used
to navigate the configura-
tion menus and change
settings. Backlit labels
identify control’s function
and operability – lit when
functional, off when inoper-
ative. 1. LCD display. Dur-
ing operation, shows
date and time, and IP
address. On input, line 1
shows selection title, line
2 shows setting.
2. Up/Down. Scroll through
choices in current line 2
list.
3. Left/Right. Step through
values or fields of cur-
rent line 2 setting –
active value is under-
lined.
4. Select. Enters configura-
tion menus, confirms set-
ting of current selection.
5. Back. Moves back in
menu hierarchy. Dis-
cards setting unless
SELECT is pressed first.
6. Knob. Rotate to change
active setting value or
field. Press to confirm
setting of current selec-
tion.
7. Mute. Silences audible
alarm.
8. Alarm. Lights when
one or more alarms are
active, cycles through
numbers of active
alarms.