Paradyne KeepInTouch 3760 User Manual page 49

Table 4-1. AT Command and S-Register Reference (9 of 27)
AT
Command
Description
or
S-Register
&F n
Select Factory Default and ETC Configuration Options
This command reloads the factory configuration
options into the Active memory area and enables the
ETC (Enhanced Throughput Cellular) protocol in your
modem. Refer to Appendix D, Cellular
Communications , for more information on this
command.
&F0
&F5
&F6
&G n
V.22 bis Guard Tone
This command determines whether the V.22 bis guard
tone is disabled, set to 550 Hz, or set to 1800 Hz.
This option is not used in North America but is
mandatory in some countries outside of North
America. See Table 4-3 for more information.
&G0 Disable
&G1 550 Hz
&G2 1800 Hz
4-10
Issue 3 April 1994
Loads factory configuration options into Active
memory.
Loads the ETC protocol. Use this setting when
the modem is attached to a cellular telephone
through an RJ11 adapter box. Not supported by
Model 3760 and Model 3763, as these models
do not support cellular operation.
Loads the ETC protocol. Use this setting when
the modem is connected directly to a normal
telephone line, but communicates with remote
modems that are attached to either a PSTN or
a cellular telephone. Not supported by Model
3760 and Model 3763, as these models do not
support cellular operation.