User`s guide

AT Commands
5-38 Modem 3600
Storing a Configuration &W
The &W commands store the current configuration options in one of two
nonvolatile memory locations (Figure 5-1). The stored configurations
are retained in memory even when power is off, or until &W is issued
with a new configuration.
Figure 5-1. Configuration Storage and Recall
Powerup Option Set &Y
The &Y command determines which user option set is loaded during
powerup and reset.
Command Operation
&W Store options to user option set 1
&W1 Store options to user option set 2
Command Operation
&Y Powerup with user option set 1
&Y1 Powerup with user option set 2
&Y? Displays currently selected powerup option set