Speco cvc-614c 说明手册
Speco Technologies CVC-614C : CVC-865DN/24
Instruction Manual
Instruction Manual
5
CONNECTIONS
1. Keep the camera's power OFF during installation.
2. Make sure that the input voltage is correct before installation.
The camera may be damaged if the voltage is incorrect.
3. Terminate the camera output to 75ohms. Use 75-ohm coaxial cable
(RG-59/U, RG-6/U, RG-11/U). Always set the last monitor termination
switch to 75 ohms, and set the termination switches of intermediate
monitors to HIGH (HI-Z).
4. The table below shows the maximum recommended cable length.
1. Keep the camera's power OFF during installation.
2. Make sure that the input voltage is correct before installation.
The camera may be damaged if the voltage is incorrect.
3. Terminate the camera output to 75ohms. Use 75-ohm coaxial cable
(RG-59/U, RG-6/U, RG-11/U). Always set the last monitor termination
switch to 75 ohms, and set the termination switches of intermediate
monitors to HIGH (HI-Z).
4. The table below shows the maximum recommended cable length.
Type
of coaxial
Cable
RG-59U
(3C-2V)
RG-6U
(5C-2V)
RG-11U
(7C-2V)
Recommended
maximum cable
length
1000 ft.
1500 ft.
2000 ft.
Troubleshooting
Problem
What to Check
- No picture appears on the
monitor
monitor
Is the system power on?
Is the cable connected properly?
Has the lens cap been removed?
Is the monitor properly adjusted?
Is the cable connected properly?
Has the lens cap been removed?
Is the monitor properly adjusted?
- The picture is not clear
Is the lens mount ring correct?
Is the lens clean?
Is the lens properly focused?
Is the monitor terminated properly?
Is the lens clean?
Is the lens properly focused?
Is the monitor terminated properly?
◎Note:
If dust adheres to the lens, the picture quality will suffer. To clean the lens,
wipe lightly with a soft cloth or a commercially available lens cleaning paper.
wipe lightly with a soft cloth or a commercially available lens cleaning paper.