AGL7 Analog Genlock module
625 SYNC: Sync l
ocks to a PAL black burst signal applied to the REF
connector.
HD SYNC: Locks
to an HDTV trilevel signal applied to the REF connector.
CW: Locks to the 1, 3.58, 4.43, 5, or 10 MHz continuous wave signal applied
to the CW con
nector.
TIMING. Adjusts the timing offset of the input signal relative to the internal
reference signal (frame reset signal). When you select this menu item and press
the ENTER button, you will access the TIMING submenu. (See page 3-14.)
LOCK LOSS
ACTION. Sets the way the AGL7 m odule reacts when a loss of
genlock state occurs (for example, genlock source is absent or i ncompatible). Use
the left (◄) or right (►) arrow button to select the action, and then press the
ENTER buttontoconfi rm the selection. Select from the following actions:
Go Internal Frequency: Switches automatically to the internal reference
and blinks the EXT.REF indicator.
Stay Current Frequency: Maintains the current state.
FRAME RESET (CW). Selects the frame reset signal frequency to be used when a
CW signal is applied to the CW connector. Use the left (◄)orright(►) arrow
butt
on to select the frequency, and then press the ENTER buttontoconfirm the
selection. Select from the following frequencies:
6.2
50 Hz : PAL and 50 Hz Group: Uses the Frame Reset 2 signal with a
frequency of 6.250 Hz.
2.
997 Hz : NTSC, 59.94, 23.98 Group: Use s the Frame Reset 1 signal with a
frequency of 2.997 Hz.
3.
000 Hz : 60 and 24 Hz Group: Uses the Frame Reset 3 signal with a
frequency of 3.000 Hz.
K
eep Composite Timing: Keeps the synchronization shock small by using
the previous NTSC or PAL timing whenever possible, even if you change the
genlock source to CW while the instrument is genlocked to a NTSC or PAL
black burst signal. The frame frequency is the same as the NTSC or PAL
frequency that was previously used. Use a 5 MHz, 10 MHz, 3.58 MHz (for
NTSC), or 4.43 MHz (for PAL) signal as a CW signal source.
TG8000 Multiformat Test Signal Generator User Manual 3–11
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