COURIER HIGH SPEED MODEMS
at$
HELP, Command Quick Reference
&$ | HELP, Ampersand Commands | Kn | n=0 Call Duration Mode |
%$ | HELP, Percent Commands |
| n=1 Real Time Clock Mode |
A/ | Repeat Last Command | Mn | n=0 Speaker Off |
A> | Continuously Repeat Command |
| n=1 Speaker On Until CD |
AT | Command Mode Prefix |
| n=2 Speaker Always On |
A | Answer Call |
| n=3 Speaker Off During Dial |
Bn | n=0 V.32 originate mode | On | n=0 Return Online |
| n=1 HST originate mode |
| n=1 Return Online & Retrain |
Cn | n=0 Transmitter Off |
| n=2 Return Online & Speed Shift |
| n=1 Transmitter On | P | Pulse Dial |
Dn | Dial a Telephone Number | Qn | n=0 Result Codes Sent |
| n=0..9#*TPR,;"W@!()- |
| n=1 Quiet (No Result Codes) |
DL | Dial Last Phone Number |
| n=2 Verbose/Quiet On Answer |
DSn | Dial Stored Phone Number | Sr=n | Sets Register "r" to "n" |
D$ | HELP, Dial Commands | Sr? | Query Register "r" |
En | n=0 No Command Echo | S$ | HELP, S Registers |
| n=1 Echo Command Chars | T | Tone Dial |
Fn | n=0 Online Echo | Vn | n=0 Numeric Responses |
| n=1 No Online Echo |
| n=1 Verbal Responses |
Strike a key when ready . .
Figure 6.5⎯Sample Basic Commands HELP Screen
Extended Command Set (&$)
At AT&$, the Courier displays a screen that shows a partial summary of the extended ampersand command set. A second screen, activated by pressing any key, shows the remaining command set. The first screen is shown in Figure 6.6.
at&$
HELP, Ampersand Commands
&An | n=0 Disable /ARQ Result Codes | &Nn | n=0 Highest Link Speed |
| n=1 Enable /ARQ Result Codes |
| n=1 300 bps |
| n=2 Enable /Modulation Codes |
| n=2 1200 bps |
| n=3 Enable /Extra Result Codes |
| n=3 2400 bps |
&Bn | n=0 Floating DTE Speed |
| n=4 4800 bps |
| n=1 Fixed DTE Speed |
| n=5 7200 bps |
| n=2 DTE Speed Fixed When ARQ |
| n=6 9600 bps |
&Cn | n=0 CD Always On |
| n=7 12000 bps |
| n=1 Modem Controls CD |
| n=8 14400 bps |
&Dn | n=0 Ignore DTR |
| n=9 16800 bps |
| n=1 |
| n=10 19200 bps |
| n=2 DTE Controls DTR | &Pn | n=0 N.American Pulse Dial |
&Fn | n=0 Load Factory Configuration |
| n=1 UK Pulse Dial |
| n=1 Hardware Flow Control Cnfg. | &Rn | n=0 CTS Follows RTS |
| n=2 Software Flow Control Cnfg. |
| n=1 Ignore RTS |
| n=3 HST/Cellular w/ HW FC Cnfg. |
| n=2 RX to DTE/RTS high |
&Gn | n=0 No Guard Tone | &Sn | n=0 DSR Always On |
| n=1 550 Hz Guard Tone |
| n=1 Modem Controls DSR |
| n=2 1800 Hz Guard Tone |
| n=2 Pulse DSR, CTS=CD |
Strike any key when ready . . .
Figure 6.6⎯Sample Ampersand Commands HELP Screen
Queries and Help Screens