Samsung SPD-3700 User Manual page 15

2.11.2 Call PTZ Position
In case of Pan/Tilt/Zoom Position Parameter, please refer to Appendix 4.1, 4.2.
Note !
The command can be usable, in case of indicated below models and
firmware ver. later.
Model
Dome Version
In case of using the related function with an old version instead of new
one, please check the version before the installation in order for avoiding
malfunctions.
1 2
STX Dome ID
0xA1 Dome ID
Checksum = ~((Byte 2 +......+ Byte 4) & FFh)
*Return(14 Bytes)
Byte1 Byte2
STX Dome ID
Host ID
A1h
Byte8 Byte9
P4 P5
Tilt Low Zoom High Zoom Low Digital Zoom
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 a sum of Byte2 to Byte11
processed by 'Logical Not(~)'
Checksum = ~((Byte 2 +......+ Byte 11) & FFh)
SCP-2370/3370(H/TH)
SCP-2330/2270(H)
v1.02_110726
3 4
CMD Data Size
26h
0h
Byte3 Byte4 Byte5
CMD Data Size
Pan High Pan Low
26h 07h
Byte10 Byte11
P6 P7
- 14 -
SCP-2370RH
SCP-2371/2271/3371
ALL
5
C/s
Checksum
Byte6 Byte7
P1 P2
Tilt High
Byte12
C/S
Checksum
Ver 2.00E
P3