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297Key Setting Operations With the Key Control Block
Chapter 4 Keys
If the selected DME is channel 3 or channel 4, turn off the [KEY4] button
in the key 2 row, then select the signal in the key 2 row (DME utility 1 bus).
Assigning the DME output signal to a monitor signal
Use the following procedure.
1
Holding down the output destination specification button [MON] in the
key control block, use the DME channel selection buttons to select the
DME channel (DME1 to DME8) you want to use.
The selected DME output is assigned to DME MON V and DME MON K.
2
To check the DME assignment status, hold down just the [MON] button.
While it is held down, the lit color of the [DME1] to [DME4] buttons
shows the key assignment status.
• Lit green: Shows the DME currently being monitored.
• Lit amber: Shows a DME which can be monitored.
• Off: DME is not assigned.
Other Key Setting Operations
Using an external processed key
You can select and use the key processed keyer key fill and key source signals
on the AUX buses.
Use the following procedure.
1
Select the keyer to be allocated.
2
In the key control block, press [PROC KEY], turning it on.
The button lights amber, and on the currently selected keyer, the key fill
and key source are assigned to reentry signals PROC V and PROC K.
Note
You cannot select the PROC V and PROC K signals using the cross-point
selection buttons of the M/E or PGM/PST bank.
Using a frame memory feed
When you press the FM FEED button in the key control block, it lights
momentarily amber, then the key fill and key source signals processed in the
currently selected keyer are assigned to frame memory sources 1 and 2.