KERN 440...N - LCD Display Segment Test; Functional Block Diagram and Description; Functional Block Diagram; Function Description

4 Display Segment Test
Whenever the scale is power on, all segments of the LCD will be turn on for approx.
5 seconds. Check for any missing segment.
5 Functional Block Diagram / Description
5.1 Functional Block Diagram
440…N-SH-e-0840 5
digital signal
analog
signal
Microprocessor
Power control /
Regulator &
Low battery
detector
Keyboard
L C D
A/D Converter
External
Computer /
Printer
RS232 Serial
Interface
Battery
or
Adaptor
Amplifier
Load cell
(Sensor)