Getting Out of Transparent
Getting into the Transparent Mode is easy: you just type a “t” in Command
Mode. But since Transparent Mode allows the sending of all characters you can
not get out of Transparent Mode by just typing a <Ctrl+C> (COMMAND charac
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ter) as in Convers Mode. In order to get out of Transparent Mode, you must fol
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low a special sequence, or use a modem break if your program supports one. The
special sequence must be followed precisely. This example assumes the COM
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MAND character is <Ctrl+C> and CMDTIME is 1 second:
•
Wait at least 1 second since the last character was sent from the computer
to the TNC
• Type a <Ctrl+C>
• Within 1 second type a second <Ctrl+C>
• Within 1 second type a third <Ctrl+C>
• Wait 1 second and the cmd: prompt should appear
If the guard time of one second before and after the three <Ctrl+C>s is not there,
the TNC assumes that they are data and sends them to the radio, so be sure to al-
low at least one second before and after the three <Ctrl+C>s.
Remote Access to Your TNC
Your can connect to your TNC from a remote station and change values of your
TNC’s parameters. This allows you to add or delete stations from the LLIST,
change the size of the PBBS, change the MYCALL and so on, all remotely. Ex
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treme caution must be used when you are accessing your TNC from a remote lo
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cation. There is no built-in safeguard, and as such it is possible for you to change
parameters such that the remote TNC will no longer communicate with you.
In order to change parameters in a remote TNC, the RTEXT in the remote TNC
must be set to a text string that will be used as the password string. For instance,
you might set your RTEXT to:
RTEXT This system belongs to WØABC in Lawrence, Kansas 66046
Remote Access to Your TNC Packet Modes of Operation
KAM’98 v 8.3 157 User’s Guide
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