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CHAPTER 4:
USING MACROS
4.1 WHAT IS A MACRO?
A MACRO is a stored recording of a series of keystrokes made by an operator on a
keyboard. This recording can be PLAYED BACK by the operator whenever required. It
will mimic the operator by automatically making those same keystroke actions again.
Macros can be used to automate the system in three ways;
• Salvo camera selections
• Camera walks
• Automated control
4.1.1 Salvo Camera Selections
Salvo is the automatic selection of multiple cameras from a simple key press action.
Unlike scan sequences, all of the cameras are displayed at the same time across the
designated video monitors. Salvos would be used to give a panoramic overview of an
area, for example, adjacent perimeter alarm zones or viewing a secure area (or level) in
a building.
4.1.2 Camera Walks
Camera walks are commonly used to survey an area using a PTZ camera. The control
actions applied to the PTZ camera are played back in real-time (at the same rate that
they were recorded). This means that the camera follows the same path across the
scene of view as was originally recorded.
NOTE: A PTZ camera view recall would be used first in
the camera walk to set a known start position.
Rev. A 4-1 HMXMU001056
03/16/05