American Dynamics RAS917LS, RAS917LS-1, RAS917WLS, RAS917WLS-1 manual 54

Figure 4–6: Left and Right Scan Limits

Building

Left Scan

Limit

Dome

Right Scan

Limit

Parking

Lot

Scan Types

Three types of scans may be activated: smooth scan, stepped scan, and random scan.

A smooth scan slowly pans between the left and right scan limits, starting at the left scan limit. When the right scan limit is reached, the scan reverses. Figure 4–6illustrates the smooth scan.

A stepped scan pans slowly, pausing briefly every 10° between the left and right scan limits. Once the right scan limit is reached, the scan reverses. Figure 4–7illustrates the stepped scan. Each arrowhead represents a 10° step in the scan.

Figure 4–7: Stepped Scan

Left Scan

Limit

Parking

Building

Dome

Right Scan

Limit

Lot

4–18 SpeedDome Ultra VII Day/Night Operator's Manual