Helmholz 700-751-HSM11, Manual, Page: 77 / 99

Helmholz Modem 56k 4.1 77
9.2 Description S Registry
Note: Registries marked with *) are stored in the user defaults with
the command
AT&W
.
S0* Number of ringing tones until automatically going off-hook
Number of rings until the modem goes off-hook
For S0=0 the modem will not go off-hook when a call comes in. The value of S0
can be between 0 and 5.
S1 Ringing tone counter
Counter for call ringing. S1 is read-only. S1 will be reset to zero, when the modem
answers a call.
S2* Escape
Escape character which causes a switch from data mode to online command input
mode. Values larger than 127 will lead to the fact that no ESC character will be rec-
ognized.
S3 Return
Carriage Return Character (CR).
S4 Linefeed character
Linefeed character
S5 Backspace character
Backspace character
S6* Waiting period dial tone
Maximum waiting time for the dialing tone. After the modem went off-hook it
waits 7 seconds for the dialing tone (fixed for approval purposes). If it detects a di-
aling tone during this waiting period it will start dialing.
If it does not detect a dialing tone, it will check if dial tone recognition is activated
or if the dialing string (Chapter „
AT
Command Set“, command
ATD
) contains the
parameter
W
. If the dialing tone detection is not activated, the modem waits for the
dialing tone. The waiting time (in seconds) is specified in S6.
The value of the S6 registry can be between 4 and 7 seconds.
S7* Waiting period carrier signal
Wait for the carrier frequency from the other modem. The maximum time for the
modem to wait for a response from the other modem is specified in S7. The time
starts running as soon as the modem has finished dialing. The value of S7 can be
between 0 and 180 seconds.
S8* Dial tone delay