VISTEK V1667, V1667/SY & V1667/SY-VHS
12-bit pal/ntsc to sdi adaptive
comb filter decoder
12
Issue 3
The Frame Synchroniser offers three modes of operation when the input signal fails/disappears (
Sync Fail
Mode
). These are:
Sync Fail Mode
(
▲
)
Freeze picture.
Cal.
Freeze picture for 3 seconds, then cut to black
(
▼
)
Cut to black.
The synchroniser sub-module may be bypassed by entering the
Minimum Delay
mode.
Minimum Delay Mode Cal. LED
ON
Force Minimum Delay.
OFF
Normal synchroniser functionality.
All of the timing parameters may be reset to their respective normalised positions by following the procedure
described below:
1 Select the
Timing Reset
parameter.
2 Depress the Up (
▲
) and Down (
▼
) buttons simultaneously.
Successful timing reset will be indicated by the
Timing Reset
LED
(D)
being extinguished and the
V Timing
Offset
LED
(A)
illuminating.
5.3
Timing Page Exit
Press the Select button, followed by the Down (
▼
) button. The decoder will exit the Timing Page
immediately, and resume normal front panel operation.
If the unit is left in the Timing Page for more than five minutes, during which no button has been pressed,
then the decoder will timeout from this mode and revert to normal front panel operation.
