Kenwood KVT-910DVD Service Manual
Also see for KVT-920DVD: Instruction manual
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KVT-910DVD/920DVD/930DVD/940DVD/960DVD41MICROCOMPUTER'S TERMINAL DESCRIPTIONMASK Key Specification (E, W type)q How to register MASK Key Code on theline (Initial condition → Factoryspecification)1. Put the set in test mode by conducting thefollowing While short-circuiting CN30 on the side of B-Box, press Reset button. While pressing VOL Down Key and Seek Up,press Reset button.2. Press V. SEL Key for a while longer and switchto graphic screen.3. Touch on Set UP Key, and display Set UpScreen.4. Touch on Security Key and display Mask KeyCode registration screen.5. When the "1st" screen is displayed, press Maskkeyfor 0.5 seconds or longer.6. When the "2nd" screen is displayed, press MaskKey again for 0.5 seconds or longer.7. When MASK Key registration screen is releasedand Set upscreen is displayed, registration iscompleted.w How to give permission for MASK KeyCode (Factory specification → Permissioncondition)1. Touch on Set UP Key from the graphic screen,and display Set Up Screen2. Touch on Security Key and display MASK KeyCode permission screen.3. When "1st" screen is displayed, press MASKKey for more than two seconds. (Until bardisplay is completed.)4. When "2nd" screen is displayed, press MASKKey again for more than two seconds. (Until bardisplay is completed.)5. After "OK"is displayed, MASK Key permissionscreen is released. When Set Up screen isdisplayed, permission condition has beenachieved.At this point, Srcurity Key in the Set UPscreen cannot be selected. (Gray screen)e How to input Mask Key at Security On(Permission condition → Releasecondition)1. In Mask Key permission condition, turn power onafter Reset or turning backup OFF.Mask Key input screen is displayed.2. When "1st" screen is displayed, press Mask Keyfor more than two seconds. (Until bar display iscompleted.)3. When "2nd" screen is displayed, press MaskKey again for more than two seconds. (Until bardisplay is completed.)4. After "OK" is displayed, Mask Key input screenis released. When Menu screen is displayed,Security is released.At this point, Security Key in the Set UPscreen cannot be selected. (Gray screen)r How to initialize Mask Key (Permissioncondition → Factory condition)1. In Mask Key permission condition, turn power onafter Resetor turning backup OFF.Mask Key input screen is displayed.2. When "1st" screen is displayed, press Mask Keyfor more than two seconds.(Until bar display is completed.)3. When Mask Key input screen is released andMenu screen is displayed, Factory Condition isachieved.At this point, Security Key in the Set UPscreen can be selected.t How to clear all Mask Key (Factorycondition → Initial condition)1. Put the set in the Test Mode by conducting thefollowing. While short-circuiting CN30 on the side of B-Box, press Reset button. While pressing both VOL Down Key and SeekUp, press Reset.2. Press V.SEL Key for a while longer and switchto graphic screen.3. Touch on Set Up Key, and display Set UpScreen.4. Touch on Security Key and display Mask KeyCode registration screen.5. When the "1st" screen is displayed, press MaskKey for 0.5 seconds or longer.6. When Mask Key registration screen is releasedand Set up screen is displyaed, initial conditionis achieved.Code Security Specification(K,R,H,X,C,M type)How to clear Security Code1. When in Security On condition, after resetting orturning backup off, turn the power on.Then, Security Code input screen is displayed.2 Using Audio remote control (custom code B946),input the code in the following procedure.Procedure 1: "K"input (Press Ten Key ttwice.)Procedure 2: Input "C" (Press Ten Key wthreetimes.)Procedure 3: Input "A" (Press Ten Key wonce)Procedure 4: Input "R" (Press Ten Key utwice)When making a mistake in the aboveprocedure, Press any other remote control key,and then start from the Procedure 1 again.3 When Security Code input screen is releasedand Menu screen is displayed, the Security Codeis cleared. |
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