NEC 4T-B80CT1U 4T-B70CT1U 4T-B80CT1U Setup Guide - Page 14

Viewing the Built-in Operation Manual Press MANUAL on the remote control unit to display operation information on the screen. To search for an item from the table of contents, and to search for a particular term and to find troubleshooting information, press MANUAL while watching the TV and then select the applicable item from the manual cover page that appears. 1 Press MANUAL while watching the TV. This displays the built-in operation manual screen. 2 When you select contents, its page will be displayed. 3 You can turn over the page one by one for these arrow marks. NOTE • You can also display the built-in operation manual by selecting "Information" > "Manual" from the menu screen. • When USB mode, Home Network mode, or Internet application is used, can not be displayed the built-in operation manual. Troubleshooting The problems described below are not always caused by malfunctions. Check the TV again before having the TV serviced. Problem • No power. • Remote control unit does not operate. • No picture. • No sound. Possible Solution • Check if you pressed POWER on the remote control unit. • Is the AC cord disconnected? • Has the power been turned on? • Are batteries inserted with polarity (+, -) aligned? • Is connection to other components correct? • Is connection to other components correct? Clearing the Password If you forget the password, clear the password using the following procedure. 1 Press MENU to display the MENU screen, and press ◀/▶ to select "Initial setup". 2 Press ▲/▼ to select "Child lock", and then press ENTER and the password input screen display. 3 If you enter "3001" using 0-9, the "Child lock" setting menu will be displayed. 4 Press ▲/▼ to select "Set password", and then press ENTER to set the password. 5 Enter the 4-digit number as a password using 0-9, and then enter the same 4-digit to confirm. The new password is now set. 13