Honeywell Fusion4 MSC-L Installation & Operation Manual page 260

Operation - Dual Bay Loading Application Overview
22. On the Logs screen, select <Events> and then select <OK> on the
IR controller or the LAD. The Logs. Event Log screen appears.
All the event logs are displayed.
The configurations required for the dual bay loading are successfully
completed.
5.10.6 Dual Bay Loading Operations
Fusion4 MSC-L has a dual bay loading mechanism. Dual bay loading
enables multiple users to use the load computer at the same time.
NOTE: You cannot perform dual bay loading if the license is
for 5 to 6 arms.
To perform dual bay loading:
Fusion4 MSC-L Part No.: 4418309_Rev09
Honeywell
5 - 72 Installation & Operation Manual