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 1. in a '''CMD window''', execute the following commands: You can reset a serial port's RTS and DTR signals on Windows startup by creating a ''Windows batch'' file containing the appropriate command and then [http://windows.microsoft.com/en-US/windows-vista/Run-a-program-automatically-when-Windows-starts create a shortcut to this batch file in the Windows Startup Folder]. To reset COM3's RTS and DTR signals, for example, use Windows Notepad to create a batch file named {{{RESETCOM3.bat}}} that contains
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   a. {{{set devmgr_show_nonpresent_**devices=1}}}
   a. {{{cd c:\windows\system32}}}
   a. {{{start devmgmt.msc}}}
{{{MODE COM3; dtr=off rts=off}}}
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 1. in the '''Device Manager''' window that appears after step 1.c,
   a. in the '''View''' menu, select '''Show Hidden Devices'''
   a. click on the + or triangle to the left of Ports to display a list of all present Ports
   a. click the Port you wish to delete, and strike the '''Delete''' key
   a. when asked, confirm your intention to delete the Port
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Then create a shortcut to {{{RESETCOM3.bat}}} in your Windows Startup Folder.

Resetting a Serial Port's RTS and DTR Signals when Windows Starts

de Joe W4TV

You can reset a serial port's RTS and DTR signals on Windows startup by creating a Windows batch file containing the appropriate command and then [http://windows.microsoft.com/en-US/windows-vista/Run-a-program-automatically-when-Windows-starts create a shortcut to this batch file in the Windows Startup Folder]. To reset COM3's RTS and DTR signals, for example, use Windows Notepad to create a batch file named RESETCOM3.bat that contains

MODE COM3; dtr=off rts=off

Then create a shortcut to RESETCOM3.bat in your Windows Startup Folder.

[:TransceiverControl:Transceiver Control]

[:GettingStarted:Getting Started with DXLab]

ResetCOMDTRRTS (last edited 2018-07-04 19:41:50 by AA6YQ)