CONTENTS
2.1OVERVIEW
2.1.2Control panel
Operating LED
Lights up green when the device is switched on.
Error LED
Lights up red when an error occurs.
LCD display
–Displays functions, configured values, operating states and error messages.
–What is displayed at any one time depends on the operating status of the device; these screens are explained in the section “Operating modes” on page 21.
Buttons
The functions of the buttons depend on the operating status of the device; these functions are explained in the section “Operating modes” on page 21.
ALS 20x 256
GB
A 
ON
B 
STATUS
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D– + – +
[4]The ALS 20x control panel (in dispensing mode)
AOperating LED
BError LED
CLCD display
DButtons
10
