DURKOPP ADLER 580 - Menu Item Brightness of the Sewing Lamp; Menu Item Key Tones

29.5.3 Menu item brightness of the sewing lamp
In this menu the brightness of the incorporated sewing lamp is set.
The value set means:
0 = Sewing lamp off
100 = Sewing lamp very bright
Standard: 100
29.5.4 Menu item key tones
In this menu the key tones are switched on and off.
The value set means:
0off
1-50 Beep in milli-seconds with every touch of the button.
3
95