... ): a) Adjustable: continually adjustable from 0.1 to 20mAb) Fixed: switch for selecting current (UA grade) (custom-made)3) Output voltage ... : 4-position switch: 50V, 100V, 200V, 800V (custom-made, only CC, not CV ... )4) Two states (2-position switch): a) Preset currentb) Testing for TV characteristics5) Automatically time in testing state, can reset at ...