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Chapter 2 - Installation 141
Equipment phase alignment with a analog installation
THOMSON TTV1707 / CCU DT500
User manual
B1707M00LD
September 2000
The range of variation of the composite output signal with respect to the reference signal is
9.5 µs (- 4.5 µs + 5 µs).
SC/H phase alignment
The SC/H phase alignment of the composite output signal is adjusted using the «SC/H»
thumbwheel.
Front porch adjustment
Adjustment of the front porch of the composite signal is made using the «FRONT
PORCH» thumbwheel.
Note: This setting does not affect the horizontal blanking width.
REFERENCE VIDEO
REF
-4,5 µs to +5 µs
COMPOSITE VIDEO
PAL 1,5 ±0,3 µs (1,65 µs ±0,1 µs PAL I)
NTSC 1,5 ±0,1 µs
Front porch Composite outputs 1 and 2