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Appendix B - Status S-Registers
S14
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Bit
Value
Command
Description
1
0
E
Local character echo off
1
E1
Local character echo on
2
0
Q
Response messages on
1
Q1
Response messages off
3
0
V
Response messages as digit codes
1
V1
Response messages as words
7,6
00
&P
Make/Break ratio 40/60
10
&P1
Make/Break ratio 33.5/66.5
01
&P2
Make/Break ratio 38.5/61.5
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S16
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Bit
Value
Command
Description
0
0
Analog loopback inactive
1
Analog loopback in progress
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S21
- EIA Signals_______________________________________________________________
Bit
Value
Command
Description
2
0
&R
CTS follows RTS (Normal)
1
&R1
CTS always on (High)
4,3
00
&D
Ignore DTR
01
&D1
On-to-off, enter command mode
10
&D2
On-to-off, disconnect call
11
&D3
On-to-off, reset to default configuration
5
0
&C
DCD always on (High)
1
&C1
DCD in data mode only
6
0
&S
DSR always on (High)
1
&S1
DSR on while On-Line
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S22
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Bit
Value
Command
Description
1,0
00
L
Speaker volume low
01
L1
Speaker volume low
10
L2
Speaker volume medium