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Ultrasonic tank management system
2.2 Overview of the operating
functions
There are 4 keys on the instrument.
These keys have the following functions:
Switch the background lighting on
or off.
press
to go to the setting
menus.
Press the
/
key to se-
lect the desired menu item and
press
to open the selected
menu.
press
to select for which
tanks the volume is to be dis-
played. When the setting menus
have been opened this key can be
used to select a menu or change a
setting.
press
to select how many
tanks are to be displayed simulta-
neously on the display.
When the setting menus have
been opened this key can be used
to select a menu or change a set-
ting.
The effect of the key is only noticeable
when the key is released. While setting in
one of the setting menus both key
and key
have an automatic repeat
function.
2.2.1 Key sound
A sound is heard when one of the keys is
pressed.
This sound can be switched off in the
menu ‘Display settings’, option ‘Sound’
paragraph 2.4.4.
2.2.2 Suppression of acoustic alarm
An acoustic alarm can be suppressed
(MUTE) and then released by pressing the
key for 2 seconds.
2 sec.
Tank 1
21
L
2.2.3 Two display instruments
If 2 display instruments are connected
the settings controlling which tanks are
displayed can be set independently from
each other for both instruments.
The settings for contrast and background
lighting can also be set independently of
each other.
Tank 1
80
L
Tank 1
Tank 2
1690
L
80
L
The settings for the tanks can be made on
either of the display instruments and then
also apply automatically for the other in-
strument.