Description of Controls - Chapter 5

Rear Panel

Power

This is a standard IEC-spec power jack for the internal universal power supply. This supply works with almost any power source worldwide, from 90-265VAC, 50- 60Hz. The Q20 comes with a line cord suitable for the destination to which the keyboard is shipped.

The AC cord supplied is designed to connect to an outlet that includes three pins, with the third, round pin connected to ground. The ground connection is an important safety feature designed to keep the chassis of electronic devices such as the Q20 at ground potential. Unfortunately, the presence of a third pin does not always indicate that it is properly grounded. Use an AC line tester to determine this. If the outlet is not grounded, consult with a licenced electrician.

MIDI In

This is a 5 pin DIN standard MIDI plug which connects to any MIDI compatible equipment such as a MIDI sequencer that will send program changes and controller information to the unit.

MIDI Thru/Out

This is a 5 pin DIN standard MIDI plug which connects to any MIDI compatible equipment such as a keyboard or another effects device. Provided for sending system exclusive commands for storing programs. It also relays all messages received on the MIDI IN if MIDI THRU is enabled.

Bypass

- Bypass Footswitch

This is a 1/4" phone jack which connects to a footswitch, either normally-open or normally-closed. When the footswitch is pressed the signal will bypass the effects chain allowing an instant comparison between the dry and wet signal. The red LED on the [BYPASS] button on the front panel will illuminate.

Advance

- Program Advance Footswitch

This is a 1/4" phone jack which connects to a footswitch, either normally-open or normally-closed. When the footswitch is pressed the currently selected program number is advanced by one. When 99 is reached it will roll-over to 00. However, you can create a range of Programs to be used in conjunction with this footswitch in the Global menu, page 2. See Footswitch Range, earlier in this Chapter.

48kHz in

- Sample Clock Input

This is a BNC connector which connects to an external master clock from an external device to synchronize digital output. It needs to be used when recording the digital outputs of the Q20 to an ADAT system that uses either an Alesis BRC or AI-2 synchronizer. Once connected, it is necessary to set the Q20Õs Sample Clock Source to Ò48kHz INPUTÓ. See Chapter 7 for more information.

Q20 Reference Manual

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