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9

Troubleshooting

9.

Troubleshooting

Problem No power to Keyboard

Checklist

¾ ¾

Check USB connection. If you are using the RS-232 port or RS-485 port for

Keyboard has power but does not respond to any buttons pressed Keyboard responds to some, but not all buttons Message "Connect fail " displays on LCD

¾

connection, make sure to connect the power adaptor. Check that Keyboard is not locked. See “Getting started”,

6. Programming and Operation on page 15.

¾

Check if Keyboard keys are conflicting with other

¾

applications. See 8. Shortcut Key Conflict Test on page 18. Verify that the selected ID in Mulitcam Controller is

¾

consistent with the DVR ID. See “Changing DVR ID”, 6. Programming and Operation on page 15. Check that the COM port setting in Mulitcam Controller is

¾

correct. See Step 5 of 3.1 USB Driver on page 8. If multiple GV-Systems are daisy-chained together,

  • (1)

    check connections among GV-Systems, and

  • (2)

    turn on Terminal Resistance to increase frequency

response.

¾

If you are using the wall terminal block, check

  • (1)

    terminal screws are not loose,

  • (2)

    the RS-485 + and RS-485 - cables are attached to the appropriate terminal screws. See 2.4 Wall Terminal Block on page 6.

¾ ¾ ¾

Yellow POWER LED: check the power source. When you press any key, you can't see the RX or TX LEDs. Red RX LED: check the connection between Keyboard and

¾

GV-System. Green TX LED: check if Keyboard is malfunctioning.

Keyboard LEDs not visible

19

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