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JDTV-750 User Manual, page 16 

CARE AND MAINTENANCE 

 

1. 

Children should be supervised when using this TV set. 

2. 

Never wrap the cord from the earbuds or from ac adaptor around any animal or person. 
Special care should be taken when using long wires. 

3. 

Fold back the telescopic antenna and return it to the built-in holder when not in use to 
avoid possible damage. 

4. 

Clean your unit with a damp (never wet) and lint-free cloth. Solvent or detergent should 
never be used.  The TV panel should only be cleaned with special cleaning agent 
formulated for such purpose. 

5. 

Avoid leaving your unit in direct sunlight or in hot, humid or dusty places. 

6. 

Keep your unit away from heating appliances and sources of electrical noise such as 
fluorescent lamps or motors. 

 

 

TROUBLESHOOTING 

 

Problems 

Possible Causes 

Possible Solutions 

TV does not 
turn on 

 

Internal battery is 
exhausted. 

 

 

Power On/Off switch is set 
to “off”. 

 

Recharge battery with provided 
ac adaptor. 

 

Set Power On/Off switch is set 
to “on” 

No picture 
received 

 

Signal is weak. 

 
 

 

Receiving channel is not in 
service. 

 

Fully extend the rotary 
telescopic antenna or change 
to the external telescopic 
antenna provided. 

 

Try other TV channels. 

Picture is 
pixilated  

 

Signal is weak. 

 
 

 

Watching TV in a moving 
vehicle or user is walking 

 

Fully extend the rotary 
telescopic antenna or change 
to the external telescopic 
antenna provided and try 
different locations. 

 

Watch TV programs only when 
it is stationary. 

Bright or dim 
pixels on TV 
screen 

 

This is due to possible 
manufacturing defects. 

 

It is considered as acceptable if 
the total number of bright and 
dim pixels is not more than 4 at 
the corners. 

Does not scan 
for a FM station 

 

The earbuds are not 
plugged in. 

 

The FM station is 
temporarily out of range. 

 

Possible external 
interference. 

 

Plug in the included earbuds. 

 

Try another FM station. 

 

 

Retry the tuning process in 
another location. 

 
 
 
 
 
 

Содержание JDTV-750

Страница 1: ...MODEL JDTV 750 Portable ATSC Digital TV with 7 COLOR TFT LCD AND FM RADIO PLEASE READ THIS USER MANUAL COMPLETELY BEFORE OPERATING THIS UNIT AND RETAIN THIS BOOKLET FOR FUTURE REFERENCE ...

Страница 2: ...ructions 5 TV Controls 6 Using the Remote 9 Using the Antennas 9 Getting Started 10 Function Menus and Settings 10 Picture 11 Audio 11 Time 11 Setup 11 Channel 12 TV Operation 13 Select a Program Channel 13 Volume Control 13 Mute Control 13 Picture Mode 14 MTS Sound Track Mode 14 Timer Setting 14 Zoom 14 INFO Information 14 FAV Favorite List 15 FM Radio Operation 15 Care and Maintenance 16 Trouble...

Страница 3: ...fiers that product heat 10 Protect the power cord of the ac adaptor from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus 11 Only use attachments accessories specified by the manufacturer 12 Lightning For added protection for this apparatus during a lightning storm or when it is left unattended and unused for long periods of ...

Страница 4: ...adio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Inc...

Страница 5: ...r JDTV 750 Serial Number ___________________ ACCESSORIES INCLUDED The followings are included with your TV set User Manual Quick Guide AC Adaptor 5V 2A Li ion Rechargeable Battery Pack 3 7V 2100mAh Car Cord Input 12V Output 5V 2A Detachable Rotary Telescopic Antenna External Magnetic Base Mount Antenna with F connector Stereo Earbuds POWER SOURCE AND RECHARGING This TV is powered by an internal Li...

Страница 6: ...n Off Switch of the TV to OFF 2 Open the Battery Compartment Cover and carefully unplug the old battery pack from the TV unit Gently insert the plug from the new battery pack as shown Note that the plug is polarized and will only fit into the connector one way The plug should never be forced into the connector 3 Replace the battery compartment cover securely Lithium Battery Safety Instructions Do ...

Страница 7: ...function menu press to move the selection bar down the list 7 CH c While watching TV press to recall the next captured TV channel Inside in a function menu press to move the selection bar up the list 8 AUTO OK While in TV mode press to enter the auto scan menu Press to choose a menu item or confirm a setting 9 VOL e While in TV or FM radio press to decrease the volume output While in main menu pre...

Страница 8: ... or standard options 3 MENU While in TV mode press to bring up the main function menu Inside a function menu press to end setting mode Press again to return to TV mode 4 SLEEP Press to select sleep Time from 5 10 15 30 45 60 90 120 180 240 mins 5 Numeric Keys 0 9 Use this to directly enter TV channel no after pressing button 6 PREV Press to return to previous selected channel 7 VOLUME While watchi...

Страница 9: ... Press to choose a menu item or confirm a setting 18 j While in main menu press to select the first menu item for user adjustment Inside in a function menu press to move the selection bar down the list 19 TV FM Press to toggle between TV and FM radio modes 20 INFO Press to display current program information e g channel no sound track mode etc 21 CH While watching TV press to recall the next captu...

Страница 10: ...ig 2 Always operate the remote control by pointing it towards the remote sensor on the TV at a distance less than 20 feet 6 m and 30 The operating distance may be affected by the ambient light of the room Do not point bright lights at remote sensor of the TV set Do not place obstacles in between the remote control and the remote sensor as this may block the control signals Do not use this remote c...

Страница 11: ...on surface easily Storing the Detachable Telescopic Antenna GETTING STARTED When first powered on and there is no channel information stored in the memory the TV screen will show a dialog for auto scan setup press OK button to start auto scan mode Select Air or Cable source Cable system options AUTO STD IRC HRC FUNCTION MENUS AND SETTINGS There are 5 different menus Picture Audio Time Setup and Ch...

Страница 12: ... Off default 5 10 15 30 45 60 90 120 180 240 2 Time Zone Pacific default Alaska Hawaii Atlantic Eastern Central Mountain 3 DST Daylight Saving Time On or Off default 4 Time Format 12 hour default or 24 hour 5 Clock this will display the current time using information transmitted with the receiving TV program SETUP 1 Menu OSD language OSD English default French Spanish 2 Transparent 0 default 25 50...

Страница 13: ...h button to set Options Air Cable 2 Auto Scan When selected will automatically seek out all available channels in your viewing area Make sure the antenna is fully extended or you are using the external magnetic base antenna prior to scanning for channels i From the remote press the j button to scroll down to Auto Scan ii Press the ENTER button on the remote to start the scan iii Once the scan is c...

Страница 14: ...you are currently viewing TV OPERATION SELECT A PROGRAM CHANNEL 1 Press CH button to play next channel 2 Press CH button to play previous channel 3 Press numeric buttons on the remote control allow direct access to the channel you want to watch Example Channel 9 press 9 and three seconds later it will automatically switch to channel 9 You can also press the 9 followed by the ENTER button to avoid ...

Страница 15: ...the remote to select a different audio language supplied by the signal provider not available in all channels TIMER SETTING The TV will go into standby mode automatically after the period of time you select Press the SLEEP button on the remote and the Sleep Timer will appear on the screen Keep pressing the SLEEP button to select different time The sleep time can be set to one of the following time...

Страница 16: ...ess the TV FM button on the TV or remote to switch to FM RADIO mode the following screen will appear Press the CH c CH d buttons on the TV or the i j buttons on the remote to select one of the items below item and press the AUTO OK button on the TV or ENTER button on the remote control to confirm The selected item will change to yellow color Control options are 1 AUTO To automatically search all t...

Страница 17: ...n on Internal battery is exhausted Power On Off switch is set to off Recharge battery with provided ac adaptor Set Power On Off switch is set to on No picture received Signal is weak Receiving channel is not in service Fully extend the rotary telescopic antenna or change to the external telescopic antenna provided Try other TV channels Picture is pixilated Signal is weak Watching TV in a moving ve...

Страница 18: ...F connector Audio Processing Digital Multi lingual Audio Output Built in Speakers x 2 and 3 5mm Headphone Jack Video Processing MPEG 2 Video Decoding Terrestrial NTSC TFT Color Panel Size 7 inches diagonal Resolution 480H x 234V Aspect Radio 16 9 Power For TV unit Li ion Battery Pack 3 7V 2100mAh AC Adaptor 5V 2A Car cord Input 12V Output 5V 2A For remote control 2 x 1 5V AAA UM 4 alkaline batteri...

Страница 19: ...ications or failure to provide reasonable care and necessary maintenance as outlined in the user manual 3 Warranty of all SPECTRA products applies to residential use only and is void when products are used in a nonresidential environment or installed outside the United States This warranty gives you specific legal rights and you may also have other rights which vary from state to state TO OBTAIN S...

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