Owner manual

5
2.1 The Front Panel
2. Quick Reference
For Models: 9120A, 9121A, 9122A, 9123A, 9124
1
2
3
4
5
6
7
For Models: 9150, 9151, 9152, 9153
1
2
3
4
5
6
7
1
VFD display
2
Rotary knob
3
Power switch
4
Numeric keys, auxiliary. functions
8