Keys 4 Chapter

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).

416 Key Setting Operations With the Key Control Block