VISTEK V1667, V1667/SY & V1667/SY-VHS
12-bit pal/ntsc to sdi adaptive
comb filter decoder
HU-V1667&SY&SY-VHS
13
6.
ENGINEERING PAGE
See section
8.3 VHS Input Option
for a description of the VHS decoding option.
6.1
Engineering Page Entry
Press the Select button and hold in, followed by the Down (
▼
) button. Keep both buttons depressed for 5
seconds until all six yellow standard LEDs become illuminated simultaneously. This indicates that the
decoder has entered the Engineering Page.
6.2
Engineering Parameter Selection and Adjustment
Scroll around the five parameters using the Select button. The engineering parameter functions may be
switched ON and OFF by using the Up and Down (
▲
and
▼
) buttons respectively. Engineering parameters
are defined as:-
Parameter
(Panel Legend)
Cal.
LED
Engineering Page
Parameter Function
Comments
A
ON
OFF
NTSC
NTSC Japan
Default (1)
B
ON
OFF
Pass vertical interval data
Blank vertical interval data
Default 625
Default 525
C
ON
OFF
VisLock processing enabled
VisLock processing disabled
Default (2)
D
ON
OFF
Adaptive delay line PAL
Simple PAL
Default all PAL standards
Default all other standards
E
ON
OFF
Chrominance band pass filter.
(3)
All 5 LEDs
Depress the + and - buttons for 5 seconds for
Factory Initialisation
of all parameters
in all standards (except timing parameters, which may be normalised within the timing
page). After successful Factory Initialisation the decoder will automatically resume
normal front panel operation.
(1) NTSC or NTSC Japan selection is only available when in the NTSC standard setting.
(2) See Section
8.4 An Introduction to Vislock Processing
for a description of the VisLock processing
option. This control is available only if the VisLock option has been factory fitted to the card.
(3) Use the Up and Down (
▲
and
▼
) buttons to adjust the bandwidth of the chrominance band pass filter.
Adjustment range is between 1 (narrowest) and 6 (widest), and is indicated by the
+
,
Cal
. and
–
LEDs.
LED
Filter 1
Filter 2
Filter 3
Filter 4
Filter 5
Filter 6
+
OFF
OFF
OFF
ON
ON
ON
Cal.
OFF
ON
ON
OFF
OFF
ON
-
ON
OFF
ON
OFF
ON
OFF
