Table of Contents
Advertisement
21128026 R001 DSAM Help User Guide.book Page 60 Thursday, February 5, 2009 2:02 PM
Chapter 5 Configuring the Meter
Configure – Measure Tab
60
Table 22 Limit Set Parameters (Continued)
Name
Description
Min Delta V/A
The minimum delta video to audio before it exceeds
(dB)
your set limit. Delta V/A is calculated by subtracting
the audio carrier level (first if DUAL) from the video
carrier level (for analog TV and DUAL type chan-
nels only). The valid range is 0.0 to 17.0. The
default value is 10.0.
Max Delta V/A
The maximum delta video to audio before it
(dB)
exceeds your set limit. Delta V/A is calculated by
subtracting the audio carrier level (first if DUAL)
from the video carrier level (for analog TV and
DUAL type channels only). The valid range is 0.0 to
100.0. The default value is 17.0.
Max Adj. Chan.
(An adjacent channel is the next channel up to 9
Delta (dB)
MHz in front of the current channel. This limit check
is only applicable in AutoTests.) The maximum
adjacent channel delta before it exceeds your set
limit. The valid range is 0.0 to 100.0. The default
value is 3.0.
Max Peak to Val-
(The peak-to-valley is the highest level in the chan-
ley (dB)
nel plan less the lowest level in the channel plan
or, the delta between the highest and lowest levels
in the channel plan.) The maximum peak to valley
before it exceeds your set limit. The valid range is
0.0 to 100.0. The default value is 10.0.
Max Video to Dig-
The maximum video to digital delta before it
ital Delta (dB)
exceeds your set limit. The valid range is 0.0 to
100.0. The default value is 27.0.
Min Digital Level
The minimum digital level (in decibels) before it
exceeds your set limit. The valid range is -40.0 to
60.0. The default value is -15.0.
Max Digital Level
The maximum digital level before it exceeds your
set limit. The valid range is -40.0 to 60.0. The
default value is 10.0.
Signal Quality 64
The minimum signal quality at 64 QAM. before it
QAM
falls below your set limit. The default value is 28.0
dB if digital the performance unit is set to MER in
Regional Preferences. The default value is 2.61 if
the digital performance unit is set to EVM in
Regional Preferences.
DSAM Help User Guide
Rev. 001
Advertisement
Table of Contents
