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Key Setting Operations With the Key Control Block
Chapter 4 Keys
1
Select the DME for the first channel (see the previous item, “Assigning a
DME to a key”), then select the successive channel for the second channel.
For the third channel select the channel after that.
2
To select the video signal for the second channel, hold down the [UTIL]
button in the cross-point control block, and select the signal in the Key1
row (DME external video bus).
3
To select the video signal for the third channel, hold down the [UTIL]
button in the cross-point control block, and carry out the following
operation.
• 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).
• If the selected DME is channel 7 or channel 8, turn on the [KEY4] button
in the key 2 row, then select the signal in the key 4 row (DME utility 2
bus).
Using four DME channels on one keyer
When using the DME dedicated interface, proceed as follows.
1
Select the DME channel 1 (or channel 5) for the first channel (see
“Assigning a DME to a key” (page 415)). In the same way, select the DME
channel 2 (channel 6) for the second channel, the DME channel 3 (channel
7) for the third channel, and the DME channel 4 (channel 8) for the fourth
channel.
2
To select the video signal for the second channel, hold down the [UTIL]
button in the cross-point control block, and select the signal in the Key1
row (DME external video bus).
3
To select the video signal for the third channel, hold down the [UTIL]
button in the cross-point control block, and carry out the following
operation.
• If the selected DME is channel 3, turn off the [KEY4] button in the key
2 row, then select the signal in the key 2 row (DME utility 1 bus).
• If the selected DME is channel 7, turn on the [KEY4] button in the key
2 row, then select the signal in the key 4 row (DME utility 2 bus).
4
To select the video signal for the fourth channel, hold down the [UTIL]
button in the cross-point control block, and carry out the following
operation.
• If the selected DME is channel 4, turn on the [KEY4] button in the key
2 row, then select the signal in the key 4 row (DME utility 2 bus).