Motorola CA50 Developer & User Manual page 209

SCO (Single Channel Only)
4.
By default, users cannot hear anything on this channel. This is a reserve channel for single channel mode.
A user must select this channel manually to access it.
Selecting this channel puts a user in Single Channel mode.
When selected in Single Channel mode, users can talk and listen only on this channel.
NOTE One Listen/Talk channel must be designated as the default channel for normal mode Walkie-Talkie.
Steps in setting Walkie-Talkie values vary through the profile builder wizard.
Configure Walkie-Talkie channels and multicast settings.
There can be up to three Walkie-Talkie settings views.
Adding and Removing Channels
To add a new Walkie-Talkie channel, click Add to display the Channel Details screen.
1.
Display Channel Details
Figure 8-10
After adding the channel, the new channel appears in the Walkie-Talkie channel list, see the New Channel
2.
screen.
New Channel
Figure 8-11
XML Profile Builder for Device Configuration 8 - 9