BrightSign BrightAuthor User Guide v.4.1.1 - Manual (Page 58)

50 Chapter 3 – Creating Presentations
• Channel Map: Select QAM, ATSC, or ATSC and QAM (consult your service provider for details).
• Modulation Type: Select QAM 64, QAM 256, or QAM 64 and QAM 256 (consult your service provider for details).
• First RF Channel (optional): You can choose to limit the range of the channel scan by selecting the first channel to
scan.
• Last RF Channel (optional): You can choose to limit the range of the channel scan by selecting the last channel to
scan.
Note: Each channel takes approximately one second to scan. Specifying upper and lower limits will reduce the amount
of time it takes to perform the scan. You should only use these two options if you are familiar with the channel map of
the cable source.