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- 14 -
2.11.2 Call PTZ Position (SCP-2370/2330/2270/3370 model only.)
1 2 3 4 5
STX Dome ID CMD Data Size C/s
0xA1 Dome ID 26h 0h Checksum
*Return(14 Bytes)
Byte1 Byte2 Byte3 Byte4 Byte5 Byte6 Byte7
STX Dome ID CMD Data Size P1 P2 P3
A1h Host ID 26h 07h Pan High Pan Low Tilt High
Byte8 Byte9 Byte10 Byte11 Byte12
P4 P5 P6 P7 C/S
Tilt Low Zoom High Zoom Low Digital Zoom Checksum
P1P2 :Pan Absolute Position(Pulse)
P3P4 :Tilt Absolute Position(Pulse)
P5P6 :Zoom Position
P7: Digital Zoom Position
=(256/Ratio_X)-1
ex) Digital Zoom Ratio:1.1x →P3: E7h
Digital Zoom Ratio:2.0x →P3: 7Fh
Checksum: The value of Modulo 256 equal to atotal of Byte2 to Byte11
processed by 'Logical Not(~)'
Checksum = ~((Byte 2 +……+ Byte 11) & FFh)
Note!
Camera Position Range per Model
-SPD-2300/3000/3300:
Pan Range:0~64000, Tilt Range:794~34556
-SPD-1000:
Pan Range:0~16851, Tilt Range:0~7662
-SPD-3700/3750/3350, SCP-2370/2330/2270/3370:
Pan Range:0~44799, Tilt Range:0~23672
-SCP-2120/3120:
Pan Range:0~38399, Tilt Range:0~16887
-SCU-2370/VAC/9051
Pan Range:0~17999(0°~360°) => Position*50
Tilt Range:0~2000(0°~40°), 61286~65535(-85°~-0°) => Position*50