Tektronix 1760 series, User Manual

Page: 46 / 180

At A Glance
1760 Series Component Waveform/Vector Monitor User Manual
2-8
Rear-Panel Connectors
The following is an overview of rear-panel connectors.
Figure 2-3 shows the 1760--Series rear panel.
Loop-Through Inputs
H
INPUTS A, A1, A2, A3, B, B1, B2
,
and
B3
are passive
loop-through video inputs, compensated for 75
Ω
.
The front-panel
INPUT
switch settings determine
which channel(s) are displayed. Inputs 1, 2, and 3
are designed for component signals. All inputs can
be used with composite signals.
H
EXT REF
is a 75
Ω
compensated loop-through
synchronization input. Internal or external reference
is selected through the front-panel
REF EXT
switch;
the LED lights to show when external is selected.
The instrument will operate from external references
of composite video or black burst.
Outputs
H
PIX OUT
is a 75
Ω
compensated output of the video
signal selected by the front-panel
INPUT
switches.
This signal has bright-up in
LINE SELECT
mode, and
is used to drive a picture monitor.
PIX OUT
strobe is
not present below line 11.
H
GBR
provides a GBR output for a picture monitor.
Multi-Pin Connectors
H
REMOTE
is a 25-pin subminiature
D
-type connector
which uses TTL signal or ground closures to provide
remote control of many front-panel functions. For
more information about the remote connector, see
page 2-8 and page B-1.
H
RS232
is a 9-pin subminiature
D
-type connector that
provides a serial interface for remote control.