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Status
ASCII Status Characters
ASCII
Character
a
1
2
3
4
5
6
7
8
9
<
>
?
TERMINAL STATUS
Binary
0011 0000
0011 0001
0011 0010
0011 0011
0011 0100
0011 0101
0011 0110
0011 0111
0011 1000
0011 1001
0011 1010
0011 1011
0011 1100
0011 1101
0011 1110
0011 1111
Terminal status is made up of 14 status bytes (bytes 0-13) containing information such as
display memory size, strap settings, configuration menu settings, and terminal errors. These
14 status bytes are displayed below the self-test screen pattern when the
TERM I HAL TEST
key
(in the ((service keys" set of function keys) is pressed. There are two terminal status requests:
primary and secondary. Each returns a set of 7 status bytes.
Primary Terminal Status
You request the first set of terminal status bytes (bytes 0-6) by issuing the following escape
sequence:
Ec
A
The terminal responds with an
Ec \,
and seven status bytes followed by a terminator. A
typical primary terminal status request and response is illustrated in figure 8-1. The exam-
ple assumes that the DC1 handshake is being used and that the appropriate terminator is a
<CR>. Figure 8-2 illustrates the function of each bit in each byte.
8-4
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