Tektronix VM Series Quick Start User Manual

Getting Acquain
tedwithYourInstrument
Option SD/HD Warning messages (cont.)
Number Text Possible causes
Operation where it
may occur
15
Noise: Invalid results for all channels.
The line number is set incorrectly,
inappropriate input signal, or incorrect
configuration.
Measuring Noise
16
Nonlinearity: Invalid Results: Channel
<x>: No ramp or step signal found
The line number is set incorrectly or
inappropriate input signal.
Measuring N onLinearity
17
Nonlinearity: Signal Change: Channel
<x>:
The signal changed during
measurement.
Measuring N onLinearity
18
Short Time Distortion: Bar Start Not
Found
The line number is set incorrectly,
distorted signal, or incorrect format
selected.
Measuring Short Time
Distortion
19
Short Time Distortion: Bar End Not
Found
The line number is set incorrectly,
distorted signal, or incorrect format
selected.
Measuring Short Time
Distortion
20
Short Time D istor tion: Invalid results
for Channel<x>.
The line number is set incorrectly,
inappropriate input signal, or incorrect
configuration.
Measuring Short Time
Distortion
21
Sync Measurements Inconclusive The instrument cannot find a proper
sync, the wrong format is selected, or
the signal is distorted.
Measuring Sync
22
Sync Measurement: <n> Not Found The instrument cannot find a proper
sync.
Measuring Sync
23
2T pulse not found in luminance
component of signal
The line number is set incorrectly,
inappropriate input signal, or incorrect
configuration.
Measuring Short Time
Distortion
24
Writing o ver file <filename>
The instrument is writing over an
existing file.
Recalling settings;
Generating a report
25
Sync Acquisition Problem: Either
cannot trigger or the signal levels are
out of range.
Triggering
Option VGA Warning messages
Number Text Possible causes
Operation where it may
occur
1
Sync edge locations questionable.
Make sure that the selected format i s
correct.
The format is set incorrectly. Measuring H Sync,
VSync,andVTiming
2
H Timing: Incorrect signal in Channel
<1–3>. Use Black-White-Black signal.
Sync edge locations questionable.
Make sure that the selected format i s
correct.
The format is set incorrectly.
Measuring H Timing
3
H Timing: Incorrect signal in Channel
<1–3>. Use Black-White-Black signal.
Black-White-Black signal is not being
used.
Measuring H Timing
VM Series Video Measurement System Quick Start User Manual 45

Tektronix VM Series Specifications

General

Brand	Tektronix
Model	VM Series
Category	Test Equipment
Language	English