The Range Timer may be paused at any time during a relay using the stop sign button 
located next to the send practice and Athena settings buttons on the top bar.
The Range Timer is paused when the stop sign is illuminated red 
and the X will illuminate on all the targets, monitors, and displays, signifying a cease fire to the range.
To resume, click the red stop sign button a second time.
This can also be done through the Range Timer Control Panel.