If device error does not occur, version will be displayed after Device Check.
If device error occurs, press the [Demo] button. Then, version will be displayed.
[Version Display]
| 1.00 1.01 1.02 1.03 1.04 1.05
-------+--------------------------------------------
Demo | @ @ @ @ @ @
Metro | - - - * * *
Play | - * * - - *
Rec | * - * - * -
And now, you can find out ep-77 by checking Cho/Rev LED.
ep-77
Chorus LED @
Reverb LED -
Press the [Demo] button, then you can go Button/LED Check.
2. Button/LED Check
At first, all LED turn on.
By pressing each buttons, each LED turn off and piano sound is on.
After all LED is off, you can go to Effect Check.
[Each button's sound]
[REV]=C4
[CHO]=C#4
[Tone1]=D4
[Tone2]=D#4
[Tone3]=E4
[Tone4]=F4
[Tone5]=F#4
[Tone6]=G4
[Tone7]=G#4
[Tone8]=A4
[Sound]=A#4
[Metro RED]=B4
[Metro GRN]=C5
[PLAY]=C#5
[Rec]=D5
[DEMO]=D#5
You can jump to Effect Check by pressing the [Rev]+[Demo] buttons.
3. Effect Check
* Demo --> Go to Panning Check.
@ Metro --> Make a piano sound with Chorus effect.
@ Play --> Make a piano sound with Reverb effect.
@ Rec --> Make a piano sound with Resonance effect.
4. Panning Check
@ Demo --> Go to Tempo & Beat Check.
@ Metro --> Make a C3 sine-wave sound from left.
@ Play --> Make a C4 square-wave sound from right.
@ Rec --> Make a C4 sine-wave sound from center.
Flow Chart
+-------+
| Enter | * [Demo]+[Sound] + Power On
+-------+
|
+----------->|
| v
| +--------------+ N.G. +---------------+
| | Device Check | --> | Error Display |
| +--------------+ +---------------+
| | |
| v |
| +-----------------+ |[Demo]
| | Version Display | <---------+
| +-----------------+
| |[Demo]
| v
| +------------------+
| | Button/LED Check |
| +------------------+
| |(Auto/Jump=[Rev]+[Demo])
| v
| +--------------+
| | Effect Check |
| +--------------+
| |[Demo]
| v
| +-----------+
| | Pan Check |
| +-----------+
| |[Demo]
| v
| +------------------+
| | Pedal/MIDI Check |
| +------------------+
| |(Auto/Jump=[Rev]+[Demo])
| v
| +-----+
| | End |
| +-----+
| |[Demo]
+------------+
Notation:
* LED On
@ LED Blink
- LED Off
0. Enter Test Mode
While pressing the [Demo] & [Sound] buttons, turn the power on.
1. Device Check, Version Display
At first, Device Check is done.
While checking device, all LED is On.
Device error may be displayed on LED as next figure.
[Device Error Display]
|Mask RAM Wave DSP
|ROM ROM RAM
-------+---------------------------
Demo |@ @ @ @
Metro |@ - @ -
Play |- - - @
Rec |- @ @ -
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