3 Design and Function
3.1 Overview
3 4
2
1
#
Description
1
On screen help
2
Home
3
Touch screen
4
Power switch
5
Connector protection
rubber
6
Connector protection
cover
7
Status light
3.2 Rear panel connections
DC power supply socket
1
ATC socket for temperature signal input
3
5
USB-B interface
SevenDirect™ SD20
Function
To display help information for the current screen.
To return from any menu level to Home screen.
Displays information and operates the meter.
Switches the meter on/off.
Press to switch on.
Press and hold for 3 seconds to switch off.
The removable dust rubber protects the meter from dust and the grooves are
used for cable guidance.
Closed to prevent dust from entering the meter.
Open to access rear panel connections.
Indicates whether the meter is:
ready for use: green
in use: blinking green
user intervention required: yellow
blocked: red
1
2
3
4
5
6
5
6
BNC socket for mV/pH signal input
2
USB-A interface (USB-Stick, printer, barcode
4
reader)
6
Mini DIN socket for EasyMix
7
5