Connection Diagram - abc COMBO 25 Instructions For Use Manual

6.2 Keyboard Menu
6.2.1 Loading Menu (Learn Menu)
This menu is used to load data from the motherboard.
6.2.2. Setting the contrast
Display contrast setting menu.
6.3 System menu
This menu is protected by a security password and can be used only by authorized
service technician.

6.4 Connection diagram

Figure 2
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