hergom ADDA 8 Instructions For Installation, Use And Maintenance Manual page 4

tubes become very hot: during operation do not touch these
!
2.0 Control board
6
5
12
AL C AL F
7
9
11
3
1 4
2 10
8
Display
2.1 Display keys and functions
1. Temperature / working power decrease
2. Temperature / working power increase
3. Key On/Off
4. Receiver
5. Led AL C