SECTION 8 " Programming
VT220/ANSI Terminal Emulation Programmer’s Reference Guide 8-63
Selecting Characters to Send
Three control functions allow you to define which charac-
ters the wireless station can send to the host. Table 8-43
shows how the control functions select which characters the
wireless station sends.
Table 8-43
Selecting Character Fields for Transmission
Fields Selected
Guarded Area
Transfer Mode
Selected Area
Transfer Mode
Multiple Area
Transfer Mode
All fields Set Set Unavailable
Unprotected fields only Reset Set Unavailable
Selected fields only Set Reset Set
Selected field with cursor
only
Set Reset Reset
Unprotected and selected
fields
Reset Reset Set
Selected field with cursor
only
Reset Reset Reset
Guarded Area Transfer Mode (GATM)
The guarded area transfer mode control function selects
whether the wireless station sends all characters or only
unprotected characters to the host. When GATM is unpro-
tected (reset), the wireless station sends a record separator
(RS, 1E hexadecimal) to the host in place of a protected
field. Table 8-44 lists guarded area transfer modes.
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