47(8) Digital Noise Reduction (DNR)DNR may be used to improve quality under low light condi-tions. There are 4 levels of DNR, which may be selecteddepending on local site conditions. Factory default setting:LOW1You may need to try different settings to find the most suitableconditions for your application.Move the cursor to DNR and select LOW1, LOW2, HIGH1 orHIGH2 by moving the joystick to the right or left.LOW1: DNR level is low. The after-image remains.LOW2: DNR level is low. The after-image is reduced.HIGH1: DNR level is high. The after-image remains.HIGH2: DNR level is high. The after-image is reduced.(9) To Close the SPECIAL2 MenuMove the cursor to RET and press the CAM (SET) key.The setup menu appears on the monitor screen.Reset to the Factory Default SettingsAny of the above settings plus the ALC/MANUAL level control andphase adjustments can be reset to the factory default settings byplacing the cursor over the desired mode and then pressing theF2 button of the WV-CU550B.For the WV-RM70, keep pressing the Right and Left switchessimultaneously for 2 seconds or more.■ RS485 Setup● Initial Camera Communication ParametersIn an RS485 chain, the matrix switcher, PC, controllers and cam-eras should be set to the same protocol and parameters for com-munication. Confirm the system protocol and parameters prior tosetting the communication parameters for the camera.The initial communication parameters for WV-CW860 and WV-CW864E are shown on the RS485 setup menu below. Other thanthe on-screen setup parameters, the 4-bit DIP switch may be usedto select 2-line (Half Duplex) or 4-line (Full Duplex) communica-tion.● Changing the Camera CommunicationParametersYou can remotely control this camera by using a specified exten-sion unit such as a computer with a modem.1. Display the SET UP MENU. Move the cursor to RS485 SET UPand press the CAM (SET) key. The RS485 SET UP menuappears on the monitor.2. Move the cursor to the item and select the parameter by mov-ing the joystick to the right or left.** RS485 SET UP **UNIT NUMBERSUB ADDRESSBAUD RATEDATA BITPARITY CHECKSTOP BITXON/XOFFWAIT TIMEALARM DATADELAY TIMERET1-----192008NONE1NOT USEOFFAUTO2---RS485 Setup menu** SPECIAL2 **CHROMA GAINAP GAINPEDESTALBWBURST(BW)REFRESHCAMERA RESETDNR LOW1RET••••|••••••••|•••••|•••••••- +OFFON→PUSH SW→PUSH SW** SPECIAL2 **CHROMA GAINAP GAINPEDESTALBWBURST(BW)REFRESHCAMERA RESETDNR LOW1RET••••|••••••••|•••••|•••••••- +OFFON→PUSH SW→PUSH SW