Mar.2003 CHECKING THE VERSION TEST MODE NUMBER Test Items 1. Turn all volume controls completely to the left. 2. While holding down the left pedal’s ON/OFF and the right pedal’s TAP/ MEMORY, connect the AC ADAPTOR to the ADAPTOR jack (which turns on the power). 1. DSP, EEPROM Check (also used to indicate the version) 3. Only the POWER LED lights up. 2. 3. LCD, Switch, LED Checks, Foot Switch Operational Check VR, Encoder Check 4. Release the left and right pedals. 4. DAC, PHONES Check (includes OUTPUT A (MONO), B jack detection check) 5. Within four seconds, press the left pedal and the right pedal, in that order. 5. ANALOG BYPASS Check (includes INPUT B jack detection check) 6.
The unit switches to Test mode, and all of the LEDs light up or flash. 6. MUTE Check 7. The version number will be shown in the LCD. 7. 8. DSP THRU Check AD MUTE Check 9. ANALOG BYPASS Check In “2,” if no AC ADAPTOR is connected to the ADAPTOR jack, the power can be turned on by inserting batteries in the unit and connecting the INPUT A(MONO) plug. 11. 10. INPUT Level Switch Check DSP MUTE Check 12. SDRAM Check RESTORING THE FACTORY 13. 14. MODE Volume Operational Check Factory Reset SETTINGS 15. Residual Noise, Shock Noise Check 16. Battery Operation Check Tools Required Carrying out the following procedure completely clears the content currently stored in the memories (1-4).
• Oscillator 1. Switch off the power. • Parallel box (BOSS J-5) • Oscilloscope 2. The MEMORY Number indicators (1-4) flash. While holding down the WRITE button, switch on the power. • Noise meter fig.50 • 47 k[ohm] short plug (#17048536) Please refer to the following figure. • Stereo/monaural converter cable (PCS-31 or similar) • FS-5U (BOSS) (2) • AC ADAPTOR (PSA-100) fig.plug 3. After the MEMORY Number indicators (1-4) begin flashing rapidly, the setting is stored in memory and the unit returns to its ordinary state. Press the WRITE button.
To cancel the setting change and the unit returns to its ordinary state, then before you press the WRITE button, operate the MEMORY/TAP or ON/OFF pedal. 14