DVR User Manual
  User’s Manual 
DVR-4TH/8TH/16TH Series 
SPECO TECHNOLOGIES 07/10
53
Analog Camera 
Analog Camera Select 
Dome Protocol 
Dome ID 
Camera Title 
Covert/ Privacy Mask 
Termination 
Brightness 
Contrast 
Saturation 
Hue 
Audio Association 
Copy Settings 
CH01 
None 
0 
Ch1 
On 
0 
0 
0 
0 
Yes 
To configure dome protocol, first select a camera then set the communication 
protocol associated with that dome camera using the direction keys and press 
ENTER. 
NOTE: The settings only become effective after saving the changes 
and exiting from the menu. 
4.6.3  RS485 Setup 
The DVR-4TH/ 8TH/ 16TH series unit controls the dome cameras via RS-485 
communication protocol. The RS-485 parameters for the DVR-4TH/ 8TH/ 
16TH series unit must be set to the same parameters set in the dome 
camera. 
Users are allowed to change the RS-485 settings for the DVR-4TH/ 8TH/ 
16TH series unit. Select <System Setup> in the Main menu, then select 
<RS485 Setup> from the System Setup menu and press ENTER. The 
following menu is displayed. 
RS485 Setup 
Unit ID 
Baud Rate 
Bits 
Stop 
Parity 
224 
9600 
8 
1 
None 
The Unit ID number must match the ID address of the dome camera. The 
range of the Unit ID is from 1 to 255 while the default is 224. Note that no two 
devices on the same bus should be given the same ID address, or a conflict 
may occur. 










