## FU - mA read intermed circuit voltage

##### table (focus number FU-mA)

|  | filament converter PCB | focus number
| focus number FU-mA | FU-mA EZ119 | CU EZ139 (0...8 = max 9)
1 | large focus tube 1 | filament circuit 2 | focus number 2
2 | small focus tube 1 | filament circuit 1 | focus number 0
3 | large focus tube 2 | filament circuit 2 | focus number 5
4 | small focus tube 2 | filament circuit 1 | focus number 3
5 | large focus tube 3 | filament circuit 2 | focus number 8
6 | small focus tube 3 | filament circuit 1 | focus number 6

##### Monitoring |  |
read intermed circuit voltage |  | type in filament circuit number, see table ‘filament converter on FU-mA EZ119’