Instruction manual

1720/1721
2-1
Section 2
Operating Instructions
These instructions provide information about the front-panel controls, rear-panel
connectors, the Operator’s Familiarization/Checkout Procedures, and discussions
about vector and audio measurements using the 1720/1721.
Front-Panel Controls and Indicators
The front-panel controls and indicators consist of momentary contact push-but-
ton switches, variable controls, and backlit switch selections. See Figure 2-1 for
the control and indicator locations.
INPUT
DISPLAY
MODE
ON
REF
GAIN
PHASE
= HOLD FOR FUNCTION
FOCUS SCALE INTENS
ON
BOTH
VECT
XY
INT
EXT
TEST
75%
100%
CH--A
CH--B
VARIABLE BARS
PAL
+V
POWER