Manual Aqua M300D
page 5
4. Control Elements
1 Left-hand volume dial
This dial has two functions: you can either press 2 A or
turn 2B the dual-function dial. Turn the dial to adjust
the volume of your headphones while measuring is
being carried out. Press the dial to clear the current
measurement series.
2 On/Off key, start measurement,
- automatic amplification
- automatic filter setting
3 This dial has two functions: you can either press (3)A
or turn (3)B the dual-function dial.
Turn the dial to access menu and setting functions and
to specify already selected settings.
Press the dial to confirm selections and settings.
Permanent pressing reveals the relevant keyboard
configuration for the measurement menu.
4 Cancel key
Press briefly to access the superior menu. Press long
to clear the current measurement series.
5 Touch display
6 Connection for PC cable
7 Headphone jack
8 Screw-on battery compartment lid
9 Microphone jack
10 Aqua M300 hydrogen sensor connecting port
