9
a certain interval and speed horizontally.
15. Regional scanning
Only an external command or invoking through power-on action, idle action
and alarm interlinking is required to make the ball camera scan in a circulating way at
a certain speed and in the specified range horizontally.
Chapter II Installation of the product
2
．
1 Setting of DIP switch of ball camera
(1) DIP switch
（
2
）
Address setting
（
SW2
）
Bits 1-8 of the 8-bit DIP switch are used for setting address code of the infrared ball, and the
address encoding can be performed in the range of 1~256.Only when the address code of
each ball is the same as the address code of harddisk video recorder or matrix or control
keyboard, control can be achieved. The 8-bit DIP switch used for setting address code
adopts binary system. When each bit is pushed to ON, the value is 1, and when pushed to
OFF, the value is 0. Refer to table for address.
Sw1
Sw2
