Casio PX-410R

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DIAGNOSTIC PROGRAM
■ Initial Setting
1. Connect the AC adaptor.
2. Connect the Pedal.
3. “Main” volume: MAX
4. “Mic” volume: MAX
■ How to start diagnostic program
1. Press and hold “UPPER” and “DOWN” buttons.
2. “POWER” switch  “ON”
* The massage “TEST_421” is appears LCD.
3. Release “UPPER” and “DOWN” buttons.
■ Diagnostic program
Message on LCD
1. CPU RAM check
1 Press “SYNCRO” button. CRAM_OK
2. DSP RAM check
1 Press “VARIATION/FILL-IN2” button. DRAM_OK
3. ROM check
1 Press “INTRO/ENDING1” button. ROM_OK
* It takes about 10 minutes until ROM CHECK SUM is displayed.
4. SR ROM Version check
1 Press “AUTO HARMONIZE” button.
* The RON Version appears on the LCD.
5. ZX ROM1 Version check
1 Press “SPLIT” button.
* The RON Version appears on the LCD.
6. ZX ROM2 Version check
1 Press “LAYER” button.
* The RON Version appears on the LCD.
7. FLASH MEMORY check
1 Press “INTRO/ENDING2” button. FMC_OK
* It takes about 5 minutes until ROM CHECK SUM is displayed.
8. FLASH MEMORY READ SUM check
1 Press “SONG” button. FMC_7A2B