Section 4
♦
Operating the CMN-41
42
CMN-41 Series Installation and Operation Handbook
Copyright © 2009, Harris Corporation
NOTE
: There is an alarm persistence of two seconds associated with any alarm indication. After an alarm
has cleared, two seconds will pass before the gamut alarm indicator returns to normal.
Figure 4-22. Composite Gamut Vector Display Graticule Markings
Table 4-6. Description of Composite Gamut Indicators
Key Indicator
Description
1
Lower Gamut Ring
The lower gamut ring indicates the Gamut alarm Peak Lower limit.
When the Gamut alarm is enabled and the Peak Lower limit is
exceeded, the lower gamut ring turns red.
2
Upper Gamut Ring
The upper gamut ring indicates the Gamut alarm Peak Upper
limit. When the Gamut alarm Peak Upper limit is exceeded, the
upper gamut ring turns red.
3
Vector Excursion Mark
The excursion marks help to visualize the minimum/maximum
value of 100% color bars.
4
Luma Upper Limit Line
The Luma Upper Limit Line indicates the Gamut alarm Luma
Upper limit. When the Gamut alarm is enabled, and the Luma
Upper limit is exceeded, the luma upper limit line and LUMA turn
red.
5
Luma Lower Limit Line
The Luma Lower Limit Line indicates the Gamut alarm Luma
Lower limit. When the Gamut alarm is enabled, and the Luma
lower limit is exceeded, the Luma Lower Limit line and LUMA turn
red.
RGB Gamut Display
When setting the upper and lower limits, the upper and lower gamut rings represent the
threshold values. To move the gamut rings, set the ALARMS
→
VIDEO
→
GAMUT
→
RGB GAMUT UPPER (or LOWER)
→
THRESHOLD selection option.
The RGB Gamut Display, shown in
Figure 4-23
and described in
Table 4-7
, is similar
to the Composite Gamut Display. The RGB Gamut vector displays video amplitudes