background image

   The TV set can lock search, channel number,  
   AV, timer and child lock items, if you need to lock 
   them.

Lock preset

3

.

Press [CH+/-] buttons 

    select "SEARCH LOCK"
    item, and press [VOL+] 
    button to select "ON" or 
     OFF". 

"

1

.

Press [LOCK] button , 

    and OSD is as the right
    figure. 

LOCK

1

2

3

4

5

6

7

8

9

      0

MENU

CH+

CH-

VOL+

VOL-

LOCK OR UNLOCK
PASSWORD:  ----

LOCK OR UNLOCK
CHANGE PASS
SEARCH LOCK     OFF
POS LOCK              OFF
AV LOCK                 OFF
TIMER LOCK        OFF
CHILD LOCK        OFF
ALL CLEAR           OFF 

  CHANGE PASS:
  NEW PASS:  ----

Note:
1.After locking channel or AV, screen is black, no 
   picture and no sound.
2.After locking child lock, the buttons on the TV set 
   are invalid.
3.After locking channel search or timer, if you want 
   to enter menu, you need to fill in password.

2

.

Press "0" button directly 

    for four times (or press the 
    four-digit password you have
    changed),enter LOCK OR 
    UNLOCK menu.

16

LOCK  FUNCTION

Note:1.If the problem can not be fixed after you check above items. DO NOT attempt 

            to remove the back cover by yourself.

         2.If the snapping sound from the cabinet of the TV set can be heard occasionally 

            because of temperature changing of environment, it is normal, you can use it

            reassuringly.

TROUBLE SHOOTING GUIDE

BREAKDOWN PHENOMENON

PICTURE 

SOUND

CHECKING

The direction and connection of the 

antenna

Direction, station and connection

of the antenna 

Interference from electric 

appliance. Automobile

Motor, 

Vehicle Fluorescence lamp etc.

Volume, Sound mute

The power plug isn't plugged in AC
outlet. The main power isn't turned 
on. The setting up of contrast, brig-
htness and volume.

Adjust color control

Adjust channel again

Moving the TV set or using magnetic electric appli-

ance near TV, Which will lead to color spot on sc-

reen. Please remove the electric appliance and cut

off power. After 120 minutes turn the TV on, the pic-

ture will be recovered.

The following problems are not always caused by hardware failure, please use the 
follow trouble shooting guide before you call for service:

17

?

Picture with Snow

Color Spot

No Color

 

No Picture

Normal

Disturb

Double or Triple Image

Noise

Normal

Noise

No Sound

No Sound

Normal Volume

Normal or Weak Volume

Normal Volume

?

?

Scramble

FIRE

FIRE

Summary of Contents for 21T7A

Page 1: ...N OPERATING INSTRUCTIONS Stage curtain for open and close effect 2 Digital I C bus control Auto search tuning 218 programs stored Full infrared remote control Multi picture modes selection Multi function timer appointing programme ...

Page 2: ...lectricshock fireordamageto theTVset 3 Don t place the TV set in direct sunlight ornearheatsource 6 If the TV set is not going to be used for a long time or there is a severe thunder lightening storm it is recommended that the TV set be disconnected from the AC power outletandtheaerialplug removed Explanation on the display tube When the picture tube requires cleaning please disconnect the power a...

Page 3: ...V system for better picture and audio quality 1 If you use a coaxial cable 75Ω insert the antenna plug see figure C into 75Ωsocket see figure A 2 If you use a twin lead cable 300Ω please shape the cable as figure D and connect the leads to antenna adapter and then insert the antenna adapter into the 75Ωsocket see figure B Power source wire connection Insert the power plug into AC outlet Install an...

Page 4: ...er indicator The indicator lights in standby status the indicator lights in sleep status The indicator glints when you use remote controller 4 Menu button 5 Program up down button 6 Volume up down button 7 TV AV 2 The sockets on the rear panel 1 Antenna socket 2 Audio Video socket 3 S Video socket 4 DVD component socket Note 1 When receives s video signal you must remove video signal when receives...

Page 5: ...m number 0 will display on the screen 4 During auto search if you want to stop searching press VOL button 3 Semi Auto search You can preset the program you need to the pointed channel TUNING PROCEDURE POSITION 1 BAND UHF SKIP OFF SEARCH UP MFT DOWN AUTO MEMORY SELECT ADJUST TUNING Remote control functions TV AV exchanging button Mute button Numeric button One two three digital buttons Picture mode...

Page 6: ...which you don t need 1 Press CH buttons or numeric button select the program number which you want to skip for example channel 002 2 Press MENU button to select TUNING menu 3 Press CH buttons to select SKIP item 4 Press VOL buttons to preset SKIP ON mode Note When a certain program number is in SKIP ON mode the program number will not appear when you select program with the CH buttons but program ...

Page 7: ...ST SUBMARINE POS EX S C C OFF COUNT 13 21 FUNCTION2 10 3 POS EX item Press VOL button to enter its sub menu digits in POS EX and EX POS2 items are present channel No Press CH buttons to select EX POS2 item Press CH button to put into channel No for example 9 Press CH buttons to select EXCHANGE item press VOL button to approve The program in channel No 1 will change with the program in channel No 9...

Page 8: ... ION2 menu display and press CH buttons to select SUBMARINE item then press VOL button to enter SUBMARINE game mode MENU CH FIRE CH VOL VOL RESTART MIX EXIT LIGHT FIRE Fire button Up Down button Left Right button Fire button Selection buttons of game background Game restart button Game exit button OTHER FUNCTIONS 12 CALENDAR OTHER FUNCTIONS 3 System selection 1 Press SYSTEM button and OSD is as fi...

Page 9: ... channel No into appointing channel No 3 The function is valid only in TV mode Press DISPLAY button and exit APPOINTMENT menu MULTI FUNCTION TIMER OFF TIMER OFF 0 00 ON TIMER OFF 0 00 POS 0 CLOCK 0 50 APPOINTMENT SELECT ADJUST APPOINTMENT POS TIME 001 0 01 002 0 02 003 0 03 004 0 04 005 0 05 006 0 06 SELECT ADJUST TIMER 14 The password of the TV set is preset 0000 in manufacture if you want to cha...

Page 10: ...snapping sound from the cabinet of the TV set can be heard occasionally because of temperature changing of environment it is normal you can use it reassuringly TROUBLE SHOOTING GUIDE BREAKDOWN PHENOMENON PICTURE SOUND CHECKING The direction and connection of the antenna Direction station and connection of the antenna Interference from electric appliance Automobile Motor Vehicle Fluorescence lamp e...

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