Tektronix 1740A Series, User Manual

Page: 56 / 368

1740A/1750A/1760 – Series Service Manual
2–21
Operating Instructions
This section duplicates material contained in your instrument’s User manual. The
information is presented here for the convenience of service personnel. This
section contains a brief introduction, “minimal” operating instructions (in six
easy steps!), general menu information, an overview of the instrument functions,
and brief instructions for displaying the desired signal. Please consult the User
manual any time you need a more complete explanation of these or any other
topics.
Getting Started
The Tekronix 1740A/1750A/1760 family of Waveform/Vector monitors has been
designed for ease of operation. If you have previous experience with waveform
monitors and vector scopes, you may be able to operate the instrument without
referring frequently to this section. However, you should be aware of the
following “special characteristics” of the 1740A/1750A/1760–Series:
H
Composite (that is, NTSC or PAL) signals can be connected to any or all of
the eight input channels. Three-channel component (for example, GBR or Y,
P
B
, P
R
) signals should be connected to inputs A1–A2–A3 and B1–B2–B3.
Select the CONFIG/INPUT display to configure the “A123” and “B123”
inputs for the type of signal you are monitoring.
H
Each type of Waveform display (one line, two line, one field, and two field)
has one level of horizontal magnification that may be turned on and off with
the MAG button. The level of magnification depends on the display type;
you can sequentially display the four magnified views by repeatedly pressing
the Line/Field SWEEP button (once SWEEP MAG has been selected).
H
The 1760–Series BOWTIE Display subtracts channels 2 and 3 from channel
1 and automatically displays the results in a “parade” format. In other words,
when “A123” is selected, the A1 minus A2 waveform is shown to the left of
the A1 minus A3 waveform. This lets you use the Tektronix-developed
Bowtie test signal to check and adjust inter-channel timing on component
systems. The 1740A–Series and 1750A–Series do not have this “subtract”
feature.
H
Audio signals are input through the rear-panel REMOTE connector. See
Appendix B of the User manual for the pin assignments.
H
The five buttons arranged vertically to the right of the display are called
Bezel Buttons. Use these buttons to toggle or select the on-screen menu
options that they are aligned with.
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com