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ALESIS M20 REFERENCE MANUAL 1.06 11-1
CHAPTER 11
SMPTE, SYNC, AND OFFSET
FUNCTIONS
The buttons described in sections 11.1 through 11.5 are located under the main (right)
display.
The buttons described in sections 11.6 through 11.9 are part of the Edit button group toward
the M20’s lower left under the meter display and track arming buttons.
11.1 CLOCK SOURCE
This switch cycles through up to seven different clock selections.
• Internal (M20 internal clock)
• Video
• ADAT (if the unit is seeing a valid 9-pin ADAT Sync In connection)
• Word Clock
• I/O card (if one is installed in the Expansion Slot on the back panel)
• SMPTE
• Optical
Note: Setting the clock to Int on an ADAT slave M20 automatically selects its ADAT clock option.
Also, selecting any source other than Internal when no valid clock is available automatically switches
the M20 to internal clock, and flashes the currently selected clock indicator until the M20 senses a
valid clock.