APPENDIX 3
Page 283
SETTING THE DD1500M REAR PANEL DIP SWITCHES
The DIP switches on the rear panel set the system up for the type of disk drive you are
using.
ON
OFF
Use DIP switch #1 on the DD1500m’s rear panel to set the track configuration according to
the memory installed. This DIP switch is read once at power-up and selects the following
configurations:
Case A
Case B
Case C
OFF
ON
ON
4 Mword
4 Mword
4 Mword
None
None
4 Mword
8-track playback/4-track record with MO
16-track playback/8-track record with fast hard disk
More than 8-track playback from fast MO or 16-track
playback from hard disk
Sw#1
Standard
Memory
Memory
Expansion
NOTE 1: In Case B, 8-track playback or 4-track record from an MO drive may cause
problems (for example, some audio missing after recording).
NOTE 2: In 16-track playback (Case B or Case C), some playback tracks will be dropped
when record inputs are selected. This is because of voice assignment limits. One playback
track is dropped for each pair of record inputs that are enabled. The way this works is
designed to be as transparent as possible. The priority is:
FIRST TRACK(S) TO BE DROPPED - Those with no audio on them.
NEXT TRACKS TO BE DROPPED - Any tracks not selected for playback.
NEXT TRACK(S) TO BE DROPPED - Those with the least audio on them (i.e. a track with
one or two cues will be dropped before a very busy one).
In normal practice, you should find the process fairly transparent and it’s only in very busy
projects with a lot of cues across all 16 tracks that you will hear the track dropping take
place.
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