Pelco P Protocol

GSCTelecontrol supports the following functions of the Pelco P protocol:

Pan, Tilt, Zoom, Focus, Iris Commands

Pelco P command	Details
Pan right	The head pans right with variable speed. Pelco P supports 64 speed steps which are mapped to the available 256 speed steps of the KDec command set. Speed step 0x40 for turbo mode is supported as well.
Pan left	The head pans right with variable speed. Pelco P supports 64 speed steps which are mapped to the available 256 speed steps of the KDec command set. Speed step 0x40 for turbo mode is supported as well.
Pan stop	Stops panning. Other motions (tilt, zoom, focus) are not influenced.
Tilt down	The head tilts down with variable speed. Pelco P supports 64 speed steps which are mapped to the available 256 speed steps of the KDec command set.
Tilt up	The head tilts up with variable speed. Pelco P supports 64 speed steps Which are mapped to the available 256 speed steps of the KDec command set.
Tilt stop	Stops tilting. Other motions (pan, zoom, focus) are not influenced.
Focus near	Focus near with constant speed.
Focus far	Focus far with constant speed
Focus stop	Stops focusing. Other motions (pan, tilt, zoom) are not influenced.
Zoom wide	Zoom wide with constant speed
Zoom tele	Zoom tele with constant speed
Zoom stop	Stops zooming. Other motions (pan, tilt, focus) are not influenced.
Iris open	Open the iris.
Iris close	Close the iris.
Iris stop	Stops the iris. Other motions (pan, tilt, focus) are not influenced.
Auto Focus/Iris	Mode 0: The dome decides automatically whether to run auto or manual mode. If it receives focus commands it switches to manual control and remains there until it receives a new Pan/Tilt/Zoom command. If a new PTZ command comes in it switches to Auto Focus (or Iris) without an explicit external command. Mode 1: Auto focus (or Iris) are always on. (Mode 1 is NOT implemented!) Mode 2: Auto focus (or Iris) are always off.

Extended Command Set

Pelco P command	Details
Goto preset	Recalls a preset position. Pelco P supports 255 presets. The call of the following preset positions triggers special functions: 35: Run Pattern 36: Start Auto Scan 37: Stop Auto Scan 38: Remote Reset 39: Clear Screen 40: Zone Scan On 41: Zone Scan Off These functions are mapped by the GscTelecontrol software. The Pelco P protocol itself implements some other mappings which reside in the firmware of the Pelco P cameras and which cannot be influenced by GscTelecontrol. You get the following functions by calling the below listed presets (see Pelco P protocol description): 33: Flip 34: Home (return to 0 pan position 92: Set left limit stop 93: Set right limit stop 94: Remote reset (redundantly to preset 38) 95: Enter menu mode 96: Stop scan 97: Begin random scan 98: Begin frame scan 99: Begin auto scan
Set preset	Sets the current position as preset position. Pelco P supports 255 presets. The following presets are used for special commands: 35: Pattern Start 36: Pattern Stop
Goto Default Pos	Recalls preset position 1.
PTZ command set	Camera On Autoscan On Camera On/Off These functions are not supported because there are no direct corresponding command in the KDec 300 command set or because their meaning is unclear.
Extended command set	Flip (rotate 180º) Zero Pan Position Zone Start Zone End Write Char to Screen Alarm Ack Zoom Lens Speed Focus Lens Speed These functions are not supported because there are no direct corresponding command in the KDec 300 command set or because their meaning is unclear.