218
Protocol Messages
LDS Plus Reference Guide
E-SW-LDSPLUSRG-G
TRM
Number of valid messages received from DOS terminals. This counter does not
include acknowledges. Currently returned as all zeros.
TRA
Number of acknowledges sent to the DOS terminals. Currently returned as all
zeros.
RTA
Number of acknowledges received from DOS terminals for Computer Did Not
Answer tokens. Currently returned as all zeros.
UTA
Total time that the transmitter has been on the air.
Always returned as zeros.
UCA
Total time that an RF carrier is observed present.
Always returned as zeros.
Ux – Hardware Error
UART hardware error message. When a UART hardware error is detecteted in a message from
the host, a Ux message is sent to the host computer and then the message is cleared. The host
computer should repeat the message.
Possible values for x:
Values
for x
Overrun
Error
Framing
Error
Parity
Error
1 no no
yes
2 no yes
no
3 no yes
yes
4 yes no no
5 yes no
yes
6 yes yes
no
7 yes yes
yes
Summary of Contents for 1280
Page 4: ......
Page 200: ...182 Expanded Functions LDS Plus Reference Guide E SW LDSPLUSRG G ...
Page 208: ...190 General Messages LDS Plus Reference Guide E SW LDSPLUSRG G ...
Page 238: ...220 Protocol Messages LDS Plus Reference Guide E SW LDSPLUSRG G ...
Page 246: ...228 The VX1 VX2 and VX4 Keyboards LDS Plus Reference Guide E SW LDSPLUSRG G ...
Page 260: ...242 Index LDS Plus Reference Guide E SW LDSPLUSRG G ...