8.4.3. CHECK SUM Display
as [KC 20 0002].
• The DVD Module has functions that support buttons other than [2] [0] [PLAY], so when K objects are being displayed key codes
are as below.
[0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [>=10] [PLAY]
8.4. Pseudo ROM Correction
8.4.1. Outline
• Since the Mitsubishi M3819 series micro-controller is capable of making programs operate in RAM the pseudo ROM corrections
below are possible.
• Program the process calling the modifying sub-routine in advance.
• Program the process to read-out the program from the EEPROM into RAM in advance.
• Processes previous to the read-out cannot be modified.
• In pseudo ROM corrections defective processses cannot be completely bypassed.
8.4.2. EERPOM Flag Indicator Interpretation
• Regardless of the EEPROM flag indicator CS/CLK/DATA is output and the DATA read-in process occurs.
Accordingly, even if there is no EEPROM hardware processing at the terminal is necessary.
• If the data read-out below is valid then an EEPROM will be determined to be present, and the modifying program will be read-
out.
− When the MASK ROM file name (8 character ASCII code, 8 bytes) and the EEPROM file name match.
− When the modifying points flag indicator data (8 points, 1 byte) written at two places on the EEPROM match.
• In order to confirm that the EEPROM is loaded, the operations below display the CHECK SUMs for the Operating Console,
mechanism component, and DSP micro-controller EEPROMs.
• Receiving [1DDF or 1CDF] when in Process Check Mode with Process Check Mode-in [1DDF or 1 CDF] will display the
operating console’s version and EEPROM CHECK SUM.
• If [1DDF or 1CDF] are received while the operating console’s version and EEPROM CHECK SUM are being displayed the
mechanism component’s version and EEPROM CHECK SUM are displayed.
• If [1DDF or 1CDF] are received while the mechanism component’s version and EEPROM CHECK SUM are being displayed the
DSP micro-controller’s version and EEPROM CHECK SUM are displayed.
• If a valid remote control code is received while the CHECK SUM is being displayed the CHECK SUM display will be erased to
confirm with that operation and display.
• When the result of referencing the EEPROM is a differing file name [NO] will be displayed, just as when no EEPROM is present.
15
SA-DK20
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