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2.Front and rear panel
2. Front and rear panel
The controls and other parts of the EA-1 can be
broadly grouped as shown in the diagram.
Common section
1. MASTER VOLUME
This knob adjusts the volume that is output from the Part output jacks and the head-
phone jack.
2. AUDIO IN THRU
This key allows the external audio input to be out-
put directly from the Part output jacks and the head-
phone jack.
When this key is on, the Audio In of OSC1 will have
no effect.
3. Display
This shows the value of the currently selected pa-
rameter, and various messages.
4. Dial
Use this to modify the value shown in the display.
5. Peak LED
This indicates the peak level for the input signal from the audio in jacks. Adjust the
output level of your external device so that the LED lights only at the maximum level.
6. Beat LED
This will blink at quarter-note intervals to indicate the tempo.
7. [▲][▼] (cursor keys)
In each mode, use these keys to select parameters from the matrix shown in the display.
8. Matrix
The parameters that will appear in the display are listed here for each mode. Use the
cursor keys to make the desired parameter select LED light.
9. Mode keys
Use these keys to move to the desired mode: Pattern, Song, Global, or MIDI.During
playback you can move to Global mode, but not to MIDI mode.
10. WRITE key
Use this key when you wish to save settings that you modified in Pattern, Song, Global,
or MIDI mode, or to save Pattern Set data.
Sequence
control section
Common section
Step key section
Synthesizer
section
Connector section