Digimerge DPV34D Instruction Manual download pdf (Page 32)

TROUBLESHOOTING

Followthestepsbelowifyouareexperiencingtroublewithyourcamera.

ContactDigimergeTechnicalSupportiftheissuepersists.

• Nothing appears on the screen.

¤ Checkthatthepowercableisconnectedproperlyandthatthevoltageiscorrect.

¤ CheckthatyouhaveproperlyconnectedVIDEOcabletothecameraVIDEOoutputjackandto

themonitor/DVR.

• The image on the screen is unclear.

¤ Isthelensordomecoverstainedwithdirt?Cleanlensordomecoverwithsoft,cleancloth.

¤ Re-positionthecameraifnecessary.

¤ AdjusttheZoomandFocusscrewsasneeded.

• The image on the screen is dark.

¤ Ifyouhaveanintermediatedevice,settheimpedanceto75Ω/Hi-z.

¤ Adjustthemonitorcontrast&brightnesscontrols.

• Image quality is poor.

¤ ReturnthecameraOSDtofactorydefaultsettings(OSDMenu>OTHERS>CAMERARESET).

¤ Verifythatthecameraisreceivingsufcientpower.

• There is interference in the image.

¤ Thecameraorthecablesmaybeclosetoasourceofhighvoltage,suchasagenerator.Re-

position the camera if necessary.

When the resistance value of copper wire is at [20˚C(68˚F)]

Copper wire size (AWG) #24(0.22mm) #22(0.33mm) #20(0.52mm) #18(0.83mm)

Resistance (Ω/m) 0.078 0.050 0.030 0.018

Voltage Drop (V/m) 0.028 0.018 0.011 0.006

Asshowninthetableabove,voltagedecreasesasthewiregetslonger.Thereforeuseofan

excessivelylongadapteroutputlineforconnectiontothecameramayaffecttheperformanceof

the camera.

*Standardvoltageforcameraoperation:DC12V±10%orAC24V±10%

*Theremaybesomedeviationinvoltagedropdependingonthetypeofwireandthe

manufacturer.

• Be sure to connect power only after all the installation is complete.

• Use the UL listed, CLASS 2 power transformer for 12v DC or 24v AC adapter.

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Digimerge DPV34D Instruction Manual Page 32