Alesis SR18 Reference Manual - RevD - Just Music

REAR PANEL PHYSICAL LAYOUT
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3
VOLUME
AUX L/R MAIN RIGHT MAIN LEFT PHONES INSTRUMENT OUT / THRU IN START COUNT/A/B/FILL
STOP
ON
8 9
6 4 5 7
OUTPUTS INPUT
MIDI FOOTSWITCHES POWER
OFF
10 11 1 2
1. DC IN – The supplied power adapter should be connected to a live outlet to power the unit.
Alternatively, the unit may be powered with 6 AA batteries inserted in the bottom
compartment. (Please refer to illustration in compartment for proper battery insertion).
2. ON/OFF SWITCH – This switch turns the unit on and off.
3. VOLUME – This knob controls the overall volume of the SR18.
4. ¼” TS RIGHT / LEFT OUTPUTS – These ¼” connections will output the audio from the
SR18. Connect these outputs to an amplifier or a speaker system. For mono sound, you
can connect only one output.
5. PHONES – Connect headphones to this output for quiet practicing.
6. AUX L / R – The SR18 can also output instrument layers through this auxiliary connection.
For example, this allows you to output your drum and percussion tracks on separate
channels, which can be useful in a recording / tracking situation.
7. INSTRUMENT – Connect your instruments (guitar, bass, etc.) to this ¼” input. The input
signal will be mixed with the audio from the unit.
8. MIDI OUT / THRU – Use a five-pin MIDI cable to connect the MIDI OUT of the SR18 to the
MIDI IN of an external MIDI device.
9. MIDI IN – Use a five-pin MIDI cable to connect the MIDI OUT of an external device to the
MIDI IN of the SR18.
10. START / STOP FOOTSWITCH – Connect a ¼” TS footswitch to this input to remotely start
and stop playback on the SR18.
11. COUNT / A / B / FILL – Connect a ¼” TS footswitch to this input to remotely control pattern
playback on the SR18.
12. KENSINGTON LOCK – The SR18 may be secured to a table or surface, using this
Kensington Lock slot.
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