ALESIS M20 REFERENCE MANUAL 1.06 6-1

CHAPTER 6

DIGITAL/ANALOG INPUTSELECTION AND ROUTING

6.1 DIGITAL SOURCE

When using digital inputs, this function selects one of two or three digital input options. The
I/O card option will appear in the display only if an I/O card (such as the Alesis AES/EBU
card) is installed in the machine. Settings are retained in memory.
Operation You press… You see…
Select ADAT optical
digital input (default) The Digital Source button
until you see… ADAT optical in the Dig
Source block
Select digital track copy
function The Digital Source button
until you see… Track Copy in the Dig
Source block
Select I/O card as the
digital input The Digital Source button
until you see… I/O card in the Dig
Source block
For more information on Track Copy, see section 6.4b.

6.2 INPUT SELECT

Not valid in Track Copy mode: If the Digital Source has been set to Track Copy, you
cannot enter Input Select mode. In Track Copy mode, only internal tape tracks may
be recorded.
Inputs can come from digital or analog signal sources. Use the Input Select button to choose
digital or analog inputs as the signal source for each adjacent track pair (1/2, 3/4, 5/6, or
7/8). In addition, all tracks may be set to receive analog or digital.
If no track buttons are pressed within 10 seconds of entering Input Select mode, the M20
automatically exits.
Operation You press… You see…
Enter Input Select mode The Input Select button Input Select display
indicator flashes
Select analog or digital
input source Either Track Input button
of a stereo pair to toggle
between analog or digital
source for the track pair
A and D indicators at the
base of the VU meters
indicate analog or digital
input, respectively
Select all channels for
digital input The All Input button A and D indicators all
show D
Select all channels for
analog input (default) The All Safe button A and D indicators all
show A
Exit Input Select mode The Input Select button Input Select indicator
turns off to confirm the
exit