- 20 -3. Light Control Setting (ALC/MANUAL)• Display SET UP on the monitor screen.If necessary, refer to Setup Menu Display for details on displaying theSET UP on the monitor screen.• Move the cursor to ALC/MANUAL and select ALC or MANUAL byusing the joystick. When you select ALC, set back light compen-sation.Note:The back light compensation submenu associated with this menuis described separately and should be set up after installing thecamera at the site and observing the actual site picture.** SET UP **CAMERA ID OFF *ALC/MANUAL ALC *SHUTTER OFFAGC ONSENS UP OFFSYNC INTWHITE BAL ATW *WIDE D-RANGE OFFMOTION DET OFFAF MODE MANUAL*RET SPECIAL *Camera setting menu* ALC CONT *BACK LIGHT COMPPRESET ONRET END* ALC CONT *BACK LIGHT COMPPRESET OFFMASK SET *LEVEL ....I....− +RETBack light compensation menu(1) ALC with Factory Setup Mode (PRESET ON)• Select ALC and press the CAM (SET) key to display the back lightcompensation menu.• Move the cursor to PRESET and select ON by using the joystick. Theback light compensation is automatically set.• Move the cursor to RET by using the joystick and press the CAM(SET) key to return to SET UP.BlinkingBlinkingBlinkingTurns to white(2) ALC with Field Setup Mode (PRESET OFF)• Select ALC and press the CAM (SET) key to display the back lightcompensation menu.• Move the cursor to PRESET and select OFF by using the joystick.The field setup menu appears on the monitor screen as shown in theillustration.• Move the cursor to MASK SET and press the CAM (SET) key.The 48 mask areas appear on the monitor screen. The cursor isblinking in the top left corner of the screen.• Press the CAM (SET) key to mask this area. The mask and the cursorstart blinking alternately.• Move the cursor to the desired area by using the joystick to mask thenext area and press the CAM (SET) key to mask that area. The maskturns white.• When the cursor is moved on an area that has already been masked,the mask and cursor start blinking.• Press the CAM (SET) key if you want to cancel masking of this area.• Press the F2 button of the WV-CU550A if you want to cancel maskingof all areas. (For the WV-RM70, press Left switch and Right switchsimultaneously.)After masking is completed, press the MON (ESC) key. The 48 maskareas on the monitor screen disappear and the field setup menuappears.