IC Realtime 690HTVL I-Sniper 690HTVL Vandal Day/Night Dome Camera (EL750) - Manual (Page 7)

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7. Troubleshooting
Problems Troubleshooting
Nothing appears on
the screen.
· Please check that the power cord and line connection
between the camera and the monitor are fixed properly.
· Please check that you have properly connected VIDEO
cable to the camera.
· VIDEO output jack. Check DC Iris cable on Lens is
properly connected.
The image on the screen is
dim.
· Is lens stained with dirt? Clean your lens with soft,
clean cloth.
· Set the monitor to proper condition.
· If the camera is exposed to too strong light, change
the camera position.
The image on the screen is
dark.
· Adjust the contrast feature of the monitor.
· If you have an intermediate device, set the
75Ω / Hi-Z properly (Please check the impedance)
The camera is not working
properly, and the surface of
the camera is hot.
· Please check that you have properly connected the
camera to an appropriate power source.
Color is not correct. · Please check the setting of WHITE BAL SETUP menu.
The screen flickers
continually.
· Please check that direction of camera is turned toward
the Sun.
RS-485
communication fails.
· Please check the polarity between RS-485 Control
Port and RS-485 cable.
· Please check if the initial value of the RS-485
Communication setup matches between camera and
OSD Controller or DVR.
· We recommend that you make ground connection
between camera and controller for safe communication
control.
485 Control Board Connection Port RS-485 Control Port
(+)CONNECTION TERMINAL(TRX+) 485+
(-)CONNECTION TERMINAL(TRX-) 485-
UART MODE RET PKT Item Camera ID BAUD RATE
Initial value 1 9600 8-NONE-1 ENABLE
* RS-485 Communication establishment initial value
· When RS-485 cable is not properly connected,
A warning message ‘ERROR RS-485 Connection.
Please reconnect and Reboot’ is displayed.Then please
turn off the power and connect the cable again.
◆ Connecting to POWER
A. Power connection (Power supply: (DC12V / AC24V)
B. Power Cable (Extension)
As the table below, voltage drops as the wire is longer so that the use of an excessively
long power cable (or extension cable use) to the camera may affect the camera’s
performance.
A. Power supply
B. Power Cable
(Extension)
The recommended adapter specification for EL-750 is DC12V/3A, AC24V/1A over.
Please check the standard power requirement before connecting the power.
The resistance value of Copper Wire : 25’C (77’F)
· Standard Voltage for proper camera operation is DC12V +/- 10% / AC24V +/- 10%
· AWG #24 : 10M is the maximum cable distance for proper operation.
Longer than 10 Meters, it may cause a damage to the product.
The manufacture is not liable for problems caused by an authorized
installation.
· AWG26, AWG28: It is not recommended. It causes a severe damage to the camera.
*Caution
a. There may be a deviation in voltage drop depending on the type of wire and its
manufactuer.
b. Please Do connect one camera by the input power! No other devices!
c. Please power on after installation finished.
Copper wire Size
(AWG)
Resistance ( Ω/m)
Voltage Drop(V/m)
1.3㎟
(#16)
0.83㎟
(#18)
0.52㎟
(#20)
0.33㎟
(#22)
0.22㎟
(#24)
0.01
0.019
0.03
0.03
0.04
0.049
0.06
0.068
0.1
0.113