17
Audio
When the audio feature is selected, the tick frequency of the Audio and Visual indicators is linked to
the size of the leak rate displayed; when Audio is not selected there is no link.
Display
Main Menu Back
Audio X
symbol space – status line
The X indicates that it hasn’t been selected – The status bar doesn’t have the < symbol. If Proceed
key is pressed then the X turns to a
ü
and the loudspeaker symbol is placed down onto the third row.
Backlight
The backlight control allows the user to switch on the backlight or select a TIME setting.
Press to jump down into Backlight setting and then the PROCEED key or the UP and DOWN
keys.
Display:
Backlight Back
On/Off
ü
Status shown
ü
will put the Backlight ON
existing backlight TIME setting
If the scroll up or down keys are used from this start point, then the following options are shown:-
20s
1min 3min 10min 30min
Note: If time displayed = the existing backlight time then a
ü
is shown at the end of the 2
nd
row,
else a X .
Backlight Back
3mins
Existing backlight setting
