There are two ways to place a job on hold.
1. On the Job Details screen you can click the Put On Hold button. This will place the job on hold and return you to the jobs list.
2. Clicking the menu button on any screen, up to the Customer Signature screen, whilst carrying out a job will allow you to click on Put On Hold. Clicking the Put On Hold menu option will place the job on hold and return you to the jobs list.