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7-4. PCS-C150/C150P Setting Commands (Network setting)
Before starting PCS-C150/C150P control, always broadcast the Address command and the IF_Clear command. 7-4-1. VISCA Network Management Commands Address: Set the address for VISCA Equipments. This command is used when the network is initialized and when the network change message below is received. Network Change: This command is sent from VISCA Equipments to the controller when a device is removed from or added to the network. When this message is received, the controller needs to reset the address. Packet Address 88 30 01 FF Network Change X0 38 FF X = 9 to F : PCS-C150/C150P address + 8 Notes Always broadcasted.
7-4-2. VISCA Interface Commands IF_Clear: Clears the command buffers in the PCS-C150/C150P and stops the instruction being executed. Command Packet IF_Clear 8X 01 00 01 FF IF_Clear (broadcast) 88 01 00 01 FF X = 1 to 7 : PCS-C150/C150P address (Inquiry packet) = 9 to F : PCS-C150/C150P address + 8 (reply packet) Reply Packet X0 50 FF 88 01 00 01 FF
7-4-3. PCS-C150/C150P Functions CAM_WB 1) Auto white balance (AWB) For this unit�s AWB, the TTL method is adopted to reproduce the colors of the subject as closely as possible by calculating the color data of the whole screen. Furthermore, the white balance area is limited to prevent operations that show all objects as white from being performed when white balance operations are performed. The area for performing the auto white balance is also changed by determining whether it is indoors or outdoors according to the brightness. 2) Preset white balance The preset white balance can be selected from fixed indoors (3200K) and fixed outdoors (5800K). 3) One push white balance The one push white balance is a function which, when once the subject is set to certain lighting conditions, will expose the subject under these conditions by gaining white forcibly. The color is reproduced naturally without being affected by the surrounding conditions of the subject. When set, the one-push white balance trigger is sent assuming that the white subject occupies more than 1/2 of the screen. The one-push white balance data is provided when the lithium backup SW is ON even though the power is off (2 hours for fully-charged battery).When the lithium backup SW is off, the data will be lost when the power is turned off. Therefore, when turning off the power, set the one-push white balance again.
