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Modem 34336
5.4 Selecting Options In Hayes Mode
In Hayes mode, options may be selected by using one of the following:
• AT commands (Table 5-1)
• The front panel
• The Summary Setup feature
The easiest way to change options in Hayes mode is to use the AT commands
listed in Table 5-1 or the Modem’s front panel.
The following guidelines apply to option selection in Hayes mode:
• If an option is changed using an AT command, the change is effective
for Hayes mode only, unless option changes are saved to memory.
If you change an option using an AT command, and then switch to a
different mode without saving the change, the front panel display LCD
remains unaffected.
• The effect of option changes made using the Summary Setup feature
depends on which user profile (0 or 1) is active. See Section 5.4.1.
5.4.1 S
AVING
O
PTION
S
ELECTIONS
Changes made to option settings cease to be effective if power is removed
from the Modem or if a factory reset occurs—unless the Modem's
configuration is saved to nonvolatile memory. The storable parameters of
the Modem’s configuration can be saved to user profile 0 or 1 using the &W
command (&W0 or &W1). Upon powerup, the Modem recalls either profile
0 or profile 1, depending on which is designated as the default profile.
(The &Y command is used to designate the default profile.) The Modem
is shipped from the factory with profile 0 as the default profile.
As explained in the following sections, the Modem is programmed to treat
profile 0 and profile 1 differently. It is recommended that you use profile
0 for your standard configuration and make it the default profile (&Y0).
Profile 1 is intended for storing an alternate configuration if you need one
(e.g., an alternate application). To view the contents of the user profiles,
use the &V and \S commands.
5.4.2 P
ROFILE
0
AND
P
ROFILE
1
User Profile 0 is linked to the Modem’s front panel (i.e., selections made
using the front panel LCD).
• If you make option changes using the front panel, the option changes for
which there are associated Hayes commands are saved to profile 0 when
you exit the SETUP menu.