Alesis ADAT-XT20 User Manual download pdf (Page 91)

Chapter 5: Multiple ADAT-XT20 Operation

90 ADAT XT20 Reference Manual

achieved (indicated by the LOCKED icon being lit). Pressing [EJECT]

on the master ejects all slave’s tapes as well. To eject only the master’s

tape, hold [SET LOCATE] and press [EJECT] on the master.

When recording or punching in on the slaves, initiate recording on the

master but do not have any master tracks record-enabled (unless, of

course, you need to record tracks on the master). Any tracks that are

record-enabled on the slaves will go into record, while the master will

simply play. This is why record enable is an independent function for

each slave. There are two other functions when the slave(s) act

independently. Formatting is initiated independently on each slave for

a number of reasons, as detailed in the next section; however,

simultaneous formatting on all slaves is possible. Digital Input can also

be set independently for the slave(s) since you may want to record via

the analog inputs on some machines and via the digital inputs on

others.

ACHIEVING LOCK

In a multiple-ADAT system, the slaves will “chase” the master

(CHASE icon will light on the XT20) and can only enter record once

they are in perfect sample-lock. Audio will not appear at the outputs of

an ADAT until sample-lock sync is achieved. When an XT20 is in lock,

the LOCKED icon will light. To achieve the fastest chase-lock

performance from a multi-ADAT system, use the Locate points

whenever possible.

INDEPENDENT SLAVE MODE

If the master XT20 is stopped, each of the slaves will function

independently. For example, press [PLAY] on one of the slaves and it

will go into play mode (or press the [AUTO INPUT] button on a slave,

etc.); the other slaves and the master will not respond to this command.

However, any time you press [PLAY] on the master or initiate any

transport function, it will take over and control all the slaves.

FORMATTING MULTIPLE TAPES

Formatting works similarly to formatting on a single ADAT. However, it is

necessary to consider what the slave does when formatting is initiated on the

master. See the section entitled Tape Formatting in Chapter 4 for more

information.

MASTER FORMAT ENABLED, COMPLETE FORMAT

If the master’s FORMAT icon is on, performing a complete start-to-

finish format, and the slave tape is not already formatted:

• If the slave’s FORMAT icon is on, the slave rewinds to the

start of the tape and does a complete format along with the master.

• If the slave’s FORMAT icon is off, the slave rewinds to the

start of the tape and plays, but the TIME counter reads “noFO” (no

format) while flashing the FORMAT icon.

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Alesis ADAT-XT20 User Manual Page 91

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