Marantz SR6004 Service Manual page 59

Mode 2: Update/Download DSP's software to Flash-
ROM
Update/Download Software for DSP (Mode 2)
1. Put the "DSP (SR5004 SR6004)" folder into anywhere
on your PC's hard disc.
2. Connect the RS-232C on rear panel of the unit and the
Serial Port of windows PC with RS-232C cable.
3. Connect the mains cord into the unit.
4. Press the POWER ON/OFF (STANDBY) button for turn
on the unit.
5. Press the ENTER, CLEAR and BAND buttons
simultaneously more than 3 seconds to turn the unit into
Loading Mode.
6. The FLD shows "SELECT MAIN" after showed
"LOADING MODE".
7. Turn the INPUT SELECTOR to change display from
"SELECT MAIN" to "SELECT DSP" on FLD.
8. Press the ENTER button.
9. "SELECTED : DSP" shows on the FLD.
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