Chaparral K5312/K7313 ユーザーズマニュアル

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Troubleshooting
Chaparral Technical Support
For assistance configuring and using your Chaparral product, contact your authorized 
distributor or Chaparral technical support at: support@chaparralnet.com. Resolutions 
to common problems you may encounter are described in the following sections. 
Terminal Emulator and COM Port Problems
Problem: Screen continuously puts out garbage characters.
The likely cause of this problem is a baud rate mismatch between the terminal 
emulator and the controller. The default baud rate is 115,200. Follow these steps if 
you set your terminal emulator to this rate and still get garbage characters:
1
If you are able, shut down the controller.
See Rebooting the Controller on page 7-1. If you are not able to shut down the 
controller, continue with step 2.
2
Turn 
OFF
 the power to the enclosure containing the controller.
3
Press the spacebar of your terminal emulator.
4
Turn 
ON
 the power while continuing to press the spacebar. This will allow the 
controller to autodetect the baud rate setting.
5
When the Flash Utility appears, select option 5 to continue to boot the 
controller.
Note: 
Some terminal emulators don’t immediately change to the new baud 
rate settings, and you have to exit and restart the emulator to use the new 
settings.