Tektronix 1740A/1750A - Manual (Page 26)

Installation
1740A/1750A Series Waveform/Vector Monitor User Manual
1-11
WARNING
Mains Frequency and Voltage Range
The 1740A/ 1750A--Series monitors operate at 50 and 60 Hz,
over the range of 90--250 Volts, without operator adjustment.
Remote Connector
The rear-panel REMOTE connector is a 25-pin, D -type connec-
tor. It provides the input for RGB/YRGB staircase, external
horizontal, and remote sync. It also accepts the input signals
for external blanking, time code, stereo L and R audio. TTL
signal or ground closure to designated pins will enable
Staircase, External Horizontal, or Remote Sync displays.
Eight front-panel setups can also be stored and recalled
through the
REMOTE connector. REMOTE connector pin
assignments begin on page B-1.
RS232 Connector
The rear-panel RS232 connector is a 9-pin subminiature
D-type connector that provides a serial interface for remote
control. The RS232 pin assignments are given on page B-1.
The RS232 interface is not supported at the time of this
printing.
Operational Changes
No operational modifications are made to these monitors
through internal jumper settings. Input coupling,
DC RE-
STORER clamp time, RGB/YRGB selections and other similar
configurations are changed through the on-screen menu.
Instrument configuration is described on page 3-18.