Tektronix 1720 User Manual

Operating Instructions
2–4
1720/1721
12. POWER
Turns on and off external power to the 1720/1721. Contains a mechanical
indicator that indicates the status of the POWER switch, even when the mains
power is disconnected or shut down from another location.
13. ROTATE
A 270° rotation screwdriver adjustment that aligns the display with the graticule.
14. GAIN CAL
A 270° rotation screwdriver adjustment that sets the amplifier gains in the Vector
Mode.
15. VERT POS
A 270° screwdriver-adjustable, variable control that provides limited vertical
positioning of the display.
16. HORIZ POS
A 270° screwdriver-adjustable, variable control that provides limited horizontal
positioning of the display.
Rear-Panel Connectors
Signal input, power input, Auxiliary Control In, XY Input, and Demod Out are
all located on the 1720/1721 rear panel. Because of the similarity of the
1730-Series to the 1720/1721 rear panel, the word VECTORSCOPE appears at
the top of the panel. See Figure NO TAG for locations of rear-panel connectors.

Tektronix 1720 Specifications

General

Brand	Tektronix
Model	1720
Category	Measuring Instruments
Language	English