APOGEE ELECTRONICS
5
AMBus FireWire card
– User’s Guide
Working with OS X
3 Computer is slave, AMBus FireWire device is master, locked to another external source such
as
word clock.
1
In OS X’s Audio Midi Setup, set
Clock Source
to
Apogee FireWire (xxxx)
Ext
Plug5
.
2
On the Apogee host interface front panel, set the clock source to the desired clock source (such
as word clock); (on a Rosetta 200 or 800, set
Sample Rate
to
EXT
and
Sync
to the desired clock
source).
General Notes
When power cycling an Apogee host interface connected to a computer via AMBus FireWire, it is es-
sential to allow the operating system sufficient time to first “de-mount” the host interface and subse
-
quently “re-mount” it. With the Audio MIDI Setup window open:
1
Power down the host interface.
2
Wait until the “Apogee FireWire” option is no longer preset under
Default Input
and
Default
Output
.
3
Power up the unit; upon power up, “Apogee FireWire” should become once again available
under Default Input and Default Output.