Instructions for Using the COMDUMP Utility

COMDUMP Checklist

• Command format: comdump 1 (or 2)

comdump 3 (or 4) 9600 IRQ#

• Data must not scroll when screen is not touched

  If data scrolls when screen is not touched:

  1. Bezel is clamped on screen or
  2. screen is damaged or
  3. cable is shorted
• Data must scroll when screen is touched

  If data does not scroll on touch:

  1. Try another COM port if possible
  2. Try disconnecting the monitor's power cord briefly, then reconnect and try comdump
  3. To prove that the COM port is OK: connect a serial mouse and move it. If data scrolls, COM port is good

• Hshk indication should be DSR CTS

  If data is OK but handshake is not, try disabling handshaking

• Confirm [55] [54] in data
• If no 55 54 in data:
  1. an older Elo controller is being used or
  2. a current Elo controller is set to emulate an older controller or
  3. a non-Elo controller is being used or
  4. the controller is malfunctioning or
  5. the COM port's settings are incorrect: 9600 baud, no parity, 1 stop bit

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