Quantum Data 881 User Manual

882 Video Test Instrument User Guide (Rev A.35) 311
DVQM
Digital Video Quantization Mode
Class Format parameter setting - Digital video signal
Description Controls the range of digital signals per the EIA/CEA-861-C standard.
The DVQM? query returns the current DVQM mode.
Command syntax DVQM mode
mode
Use the following table to determine the proper mode (0, 1, or 2).
Notes:
• Computer (for example, DMT and CVT) formats set DVQM=0 for full range.
• DVQM can be set to 1 to test the undershoot/overshoot signal code margins (for
example, see SMPTE 296M section 7.12).
• Television formats (for example, 1080i29) set DVQM=2 for reduced range required by
various television standards (for example, EIA/CEA-861-C).
Query syntax DVQM?
Example
DVQM 1 // Sets the quantizing mode to 1.
FMTU // Applies the format change
Related commands LMIN, LMAX, NBPC
DVQ
Mode
Components
NBPC=8 ranges NBPC=10 ranges NBPC=12 ranges
LMIN LMAX LMIN LMAX LMIN LMAX
0 RGB 0 255 0102304095
YC
b
C
r
0 255 0102304095
1 RGB 1 254 4 1019 16 4079
YC
b
C
r
1 254 4 1019 16 4079
2 RGB 16 235 64 940 256 3760
YC
b
C
r
16 240 64 960 256 3840

Quantum Data 881 Specifications

General

Brand	Quantum Data
Model	881
Category	Portable Generator
Language	English