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.
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IMPORTANT SAFETY INSTRUCTIONS
TO PREVENT FIRE OR ELECTRICAL SHOCK HAZARD AND OTHER INJURIES, DO
NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE.
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Cleaning - Unplug ac adaptor from this product from the wall outlet before cleaning. Do
not use liquid cleaners or aerosol cleaners. Clean only with dry cloth.
7. Do not block any ventilation openings. Install in accordance with the manufacturer’s
instructions.
8. Do not place this product on an unstable cart, stand, tripod, bracket,
or table. The product may fall, causing serious injury to a child or adult,
and serious damage to the product. Use only with a cart, stand, tripod,
bracket, or table recommended by the manufacturer, or sold with the
product.
9. Do not install near any heat sources such as radiators, heat registers,
stoves, or other apparatus (including amplifiers) 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 time, unplug it from the wall outlet,
separate batteries from the apparatus and store the antenna. This will prevent damage
to the product due to lightning and power-line surges.
13. This appliance shall not be exposed to dripping or splashing water and that no object
filled with liquids such as vases shall be placed on the apparatus.
14. Do not overload wall outlet. Use only power source as indicated.
15. Use replacement part as specified by the manufacturer.
16. Power Sources - This product should be operated only from the type of power source
indicated on the marking label. If you are not sure of the type of power supply to your
home, consult your product dealer. For products intended to operate from battery power,
or other sources, refer to the operating instruction.
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17. Object and Liquid Entry - Never push objects of any kind into this product through
openings as they may touch dangerous voltage points or short-out parts that could result
in a fire or electric shock. Never spill liquid of any kind on the product.
18. Damage Requiring Service - Unplug this product from the wall outlet and refer servicing
to qualified service personnel under the following conditions:
a) When the power-supply cord or plug is damaged,
b) If liquid has been spilled, or objects have fallen into the product,
c) If the product has been exposed to rain or water,
d) If the product does not operate normally by following the operating instructions.
Adjust only those controls that are covered by the operating instructions as an
improper adjustment of other controls may result in damage and will often require
extensive work by a qualified technician to restore the product to its normal operation.
e) If the product has been dropped or damaged in any way, and
f) When the product exhibits a distinct change in performance - this indicates a need
for service.
SAVE THESE INSTRUCTIONS
COMPLIANCE WITH FCC REGULATIONS
This equipment has been tested and found to comply with the limits for a TV receiver,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates,
uses and can radiate radio frequency energy and, if not installed and used in accordance
with the instructions, may cause harmful interference to radio 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:
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Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver
is connected.
Consult the dealer or an experienced radio/TV technician for help.
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WARNING
Changes or modifications to this unit not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
Dear JENSEN Customer
Selecting fine audio-visual equipment such as this TV unit you've just purchased is only the
start of your enjoyment. Now it's time to consider how you can maximize the fun and
excitement your equipment offers. This manufacturer and the Electronic Industries
Association's Consumer Electronics Group want you to get the most out of your equipment
by playing it at a safe level. One that lets the sound come through loud and clear without
annoying blaring or distortion and, most importantly, without affecting your sensitive hearing.
Sound can be deceiving. Over time your hearing "comfort level" adapts to higher volumes of
sound. So what sounds "normal" can actually be loud and harmful to your hearing. Guard
against this by setting your equipment at a safe level BEFORE your hearing adapts.
To establish a safe level:
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•
Start your volume control at a low setting.
Slowly increase the sound until you can hear it comfortably, clearly without distortion.
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Once you have established a comfortable sound level:
Set the volume control and leave it there.
•
Taking a minute to do this now will help to prevent hearing damage or loss in the future. After
all, we want you listening for a lifetime.
We Want You Listening For a Lifetime
Used wisely, your new TV equipment will provide a lifetime of fun
and enjoyment. Since hearing damage from loud noise is often
undetectable until it is too late, this manufacturer and the
Electronic Industries Association's Consumer Electronics Group
recommend you avoid prolonged exposure to excessive noise.
Customer's Record:
The serial number of this product is found on its bottom. You should note the serial number
of this unit in the space provided as a permanent record of your purchase to aid in
identification in the event of theft of loss.
Model Number: JDTV-750
Serial Number: ___________________
ACCESSORIES INCLUDED
The followings are included with your TV set:
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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–ion battery pack and must be charged prior to use.
Please charge the unit for at least 8 hours before first use.
1. Set the TV’s Power Switch to Off. Connect
the included AC Adaptor (5V 2A, center-
positive) to the DC Jack on the side of unit
as shown on the right.
2. Once fully charged, you can watch the TV for
about 1.5 hours. The average recharging
time is approximately 6 hours for normal use.
3. To stop the charging process, disconnect the AC Adaptor.
4. When the battery power becomes low, the low
battery indicator will pop up in the lower right
corner of the screen as shown, please recharge
as soon as possible or otherwise the unit will
shut down on its own.
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Notes
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While recharging, you may watch the TV as usual but charging time will be extended.
Do not overcharge the player after the initial charge. Overcharging could shorten the
battery’s life and charging capacity.
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The Li-ion battery pack will normally offer up to 500 charge/discharge cycles.
The Li-ion battery will discharge slowly on its own even when the unit is not in use, so if
the unit is not used for an extended period of time it will be necessary to recharge the
unit at least once every 6 months to maintain normal performance.
Battery Warnings
1. The battery could cause injury or explode if incorrectly replaced. Replacement should be
by a qualified technician and only with the same or equivalent type of battery.
2. Do not disassemble, crush, short-circuit or incinerate your battery as it may cause fire,
injury, burns, explosion or other hazards.
3. Please dispose of properly for recycling.
Replacing the Rechargeable Battery Pack
After regular use over a period of time, the internal battery pack may store less and less
energy per recharge than when it was fresh or even fails to recharge. If that happens,
follows the procedure below to replace it:
1. Set the On/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 not burn or bury batteries. Do not puncture or crush. Do not disassemble.
Recycle lithium batteries. Do not dispose of in the trash.
If the electrolyte in the cells should get on your skin, thoroughly wash with soap and water. If
in the eyes, rinse thoroughly with cool water. Immediately seek medical attention.
Use only chargers rated for lithium cells. Be sure the charger’s voltage and current settings
are correct for the battery pack being charged.
Charge batteries on a fireproof surface away from flammable items or liquids.
Batteries should NEVER be left unattended while charging. Only adults should charge the
batteries.
Follow the manufacturer’s instructions for charging the product and do not charge longer
than recommended. Unplug the charger when the battery is charged.
Recycle Rechargeable Batteries
Recycle your old rechargeable batteries at one of the many collection sites
in the U.S. and Canada. To find the site nearest you, visit
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TV CONTROLS
TV UNIT
Control
Function
This 16:9 screen delivers vivid pictures at 480H x 234V resolution.
They reproduce the sound of TV and FM radio broadcast.
It receives IR control signals from the remote.
ꢀIt will light steadily when ac adaptor is connected and On/Off
Switch is set to “OFF”.
1. TFT Color Screen
2. Stereo Speakers
3. Remote Sensor
4. Power/Charge
Indicator
ꢀIt will flash when On/Off Switch is set to “ON” while battery is being
recharged.
ꢀIt will go off when ac adaptor is connected and battery has been
full charged or the TV is working on battery power.
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.
5. MENU
While watching TV, press to recall the previous captured TV channel.
While in main menu, press to select the first menu item for user
adjustment.
6. CH- / d
Inside in a function menu, press to move the selection bar down the
list.
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.
While in TV mode, press to enter the auto scan menu.
Press to choose a menu item or confirm a setting.
While in TV or FM radio, press to decrease the volume output.
While in main menu, press to select previous function menu, e.g.
Audio.
7. CH+ / c
8. AUTO/OK
9. VOL- / e
Inside in a function menu, press to change the setting of the selected
menu item.
While in TV or FM radio, press to increase the volume output.
While in main menu, press to select next function menu, e.g. Audio.
Inside in a function menu, press to change the setting of the selected
menu item.
10. VOL+ / f
Press to toggle between TV and FM radio modes.
This jack accepts the external rotary telescopic or magnetic base
monopole antenna included with your TV set
11. TV/FM
12. ANT. IN (Antenna
Input)
This jack accepts a pair of stereo earbuds with a standard 3.5mm
plug
13. Headphone Jack
14. On/Off Switch
This is the main power on/off switch. Always switch to “off” if you are
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not using the TV set for the next few hours to conserve battery power.
This jack accepts the included AC adaptor for normal operation and
charging.
15. DC Jack
16. Antenna Holder
Convenient place to store the removable telescopic antenna when not
in use.
17. Battery
Compartment
Cover
Remove this cover to disconnect the internal Li-ion battery pack for
replacement when necessary.
18. Foldout Stand
Fold out the stand if you want to keep the TV set upright.
REMOTE CONTROL
Control
Function
1. MUTE
2. PICTURE
Press to cut off the audio output from the TV or FM radio instantly.
Press to select picture effect from dynamic, soft, personal or
standard options.
3. MENU
4. SLEEP
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.
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.
Press to return to previous selected channel.
While watching TV, press to decrease the volume output.
While in main menu, press to select previous function menu, e.g.
Audio.
6. ↵ PREV
7. VOLUME-
Inside in a function menu, press to change the setting of the
selected menu item.
8. VOLUME+
9. POWER
While watching TV, press to increase the volume output.
While in main menu, press to select next function menu, e.g. Audio.
Inside in a function menu, press to change the setting of the
selected menu item.
Press to switch unit between On and Standby mode.
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10. MTS
Press to select between different sound tracks available from the
watching program.
11. ZOOM
12. EXIT
13. FAV
14. i
Press to select between wide or normal screen mode.
Press to exit from the menu.
Press to display your saved favorite channel list.
Inside in a function menu, press to move the selection bar up the
list.
15. g
While in main menu, press to select previous function menu, e.g.
Audio.
Inside in a function menu, press to change the setting of the
selected menu item.
16. h
While in main menu, press to select next function menu, e.g. Audio.
Inside in a function menu, press to change the setting of the
selected menu item.
17. ENTER
18. j
Press to choose a menu item or confirm a setting.
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
20. INFO
Press to toggle between TV and FM radio modes.
Press to display current program information, e.g. channel no.,
sound track mode & etc.
21. CH+
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.
22. CH-
While watching TV, press to recall the previous captured TV
channel.
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.
23. - Button
24. Battery
Press this before entering TV channel no. directly.
Remove this cover to install or replace 2 x AAA (UM-4) batteries.
Compartment
Cover
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USING THE REMOTE
Battery Installation
Refer to Fig.1:
1. Remove the Battery Compartment Cover.
2. Install 2 x 1.5V “AAA” (UM-4) batteries (not
included) according to the polarity diagram
inside the battery compartment.
3. Close the Battery Compartment Cover.
Important
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Be sure that the batteries are installed correctly.
Wrong polarity may damage the unit and void the
warranty.
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For best performance and longer operating time,
we recommend the use of good quality alkaline-
type batteries.
Battery Warnings
1.
2.
Do not mix old and new batteries.
Do not mix alkaline, standard (carbon-zinc) or
rechargeable (nickel-cadmium) batteries.
3.
If the remote is not to be used for an extended
period of time, remove the battery. Old or leaking battery can cause damage to the unit
and may void the warranty.
4.
5.
Do not dispose of batteries in fire, batteries may explode or leak.
Do not disassemble, crush, short-circuit or incinerate your battery as it may cause fire,
injury, burns, explosion or other hazards.
General Operation and Notes
Refer to Fig.2:
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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°.
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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.
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Do not use this remote control while simultaneously operating the remote control of any
other equipment, e.g. DVD player, to avoid possible error response.
USING THE ANTENNAS
For normal outdoor use, screw the detachable rotary telescopic antenna securely onto the
Antenna Jack of the TV set and then fully extend it and adjust for best signal reception.
Interference and an unstable picture may occur if :
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buildings or tall trees are blocking the broadcasting signals;
it is snowing, overcast or raining heavily;
you are moving along with your TV set;
you are operating the TV set inside a moving vehicle;
there are external interferences due to other RF devices nearby.
Notes
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Digital TV reception requires the TV set to be stationary while watching.
Keep the built-in antenna stored folded and away from any fast moving or current
carrying appliances such as a working fan.
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If pixilation of picture occurs, you may try the more powerful external telescopic antenna
(included).
Unscrew the detachable rotary telescopic antenna and screw the F connector of the external
telescopic antenna into the Antenna Jack of the TV set. Then try placing the external
antenna at different places, e.g. a window, until a stable picture can be obtained. The
external antenna has a magnetic base for you to attach securely on a metal iron 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.
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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 Channel.
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Press MENU button to bring up the main menu.
Press VOL+ (f) of TV or h of Remote or VOL- (e) of TV or g of Remote to select a
menu.
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Press CH- (d) of TV or j of Remote to select the first menu item and use VOL+ (f) of
TV or h of Remote or VOL- (e) of TV or g of Remote to adjust.
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Press OK on TV or ENTER on remote to finish settings. Then press MENU on TV or
EXIT on remote to return to normal TV mode.
PICTURE
1. Picture mode: Standard (default),
Dynamic, Soft, Personal.
2. Contrast: 0 -100 (default is 50).
3. Brightness: 0 -100 (default is 50).
4. Sharpness: 0 -100 (default is 50).
5. Tint: 0 -100 (default is 50).
6. Color: 0 -100 (default is 50).
7. Color mode: Normal, Warm, Cool
(default), Personal.
8. Zoom mode: Wide (default), Normal.
AUDIO
1. Audio Language mode: English (default), French, Spanish.
2. Balance: 0 -100 (default is 50).
TIME
1. Sleep Timer: 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%, 75%, 100%.
3. OSD Time Out: 5sec, 15sec (default), 30sec, 45sec,
60sec.
4. Closed Caption:
(a) CC mode: Select the CC display options from CC off
(default), CC On, CC on mute.
(b) Basic Selection: Select the CC type options from CC1
(default), CC2, CC3, CC4, Text1, Text2, Text3, Text4,
Off.
(c) Advanced selection: Select the CC on type options:
Service1 (default), Service2, Service3, Service4,
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Service5, Service6, Off.
(d) Option mode: there are more options on font style, foreground/background
color/opacity, select Custom to make further adjustments:
1）Font style: Select the CC font options: Default, Font 0, Font 1, Font 2, Font 3,
Font 4.
2）FG color: Default, White, Red, Green, Blue, Yellow, Magenta, Cyan.
3）BG color: Default, Black, Red, Green, Blue, Yellow, Magenta, Cyan.
4）FG opacity: Default, Solid, Flashing, Translucent, Transparent.
5）BG opacity: Default, Solid, Flashing, Translucent, Transparent.
5. Restore Default: chose this to clear all personal
preferences & settings and restore to factory default
settings.
CHANNEL
1.Air/Cable
It is used to set the type of signal reception.
From the remote, press i or j button to select it and
then press g or 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 complete, the TV will
automatically start playing the lowest channel
found.
(iv) You can now use the i and j buttons on the remote or the CH+ c/CH- d
buttons on the TV to change the channels.
3. Show/Hide
Allows you to edit the channels you want shown on
the TV once the scan is completed.
(i)
From the remote, press the j to scroll down
to Show/Hide
(ii)
Press AUTO/OK on the TV or ENTER on the
remote to enter.
(iii) A list of all the channels found will display and
a “V” will appear next to the channel if it will
show up when changing channels during
normal operation.
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(iv) Press the j button on the remote to scroll down through the channels.
(v) Press the MENU on the TV or EXIT on the remote three times to return to
normal viewing.
4. Favorite
(i)Press i and j buttons on the remote to select.
(ii) Press AUTO/OK on the TV or ENTER on the remote to set your favorite
channel.
You can edit more than one program as favorite program by this option. Once a
program is chosen, a “V” will appear next to the channel.
5. Channel No.
Displays the current channel you are currently viewing.
6. Channel Label
Displays the call letters of the TV station you are
currently viewing.
(i)
You can edit the channel label by pressing the
OK or ENTER button.
(ii)
Use the i / j and g / h buttons on the remote
to edit the name you want displayed for the
channel.
(iii) Press the AUTO/OK on the TV or ENTER on
the remote when completed.
7. DTV Signal
Displays the signal strength or the TV station 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 the three second delay and get
instant access to the channel.
Channel 12, press "1" and "2" and three seconds later, it will automatically switch to channel
12. You can also press the "1" and "2" followed by the ENTER button to avoid the three
second delay and get instant access to the channel.
Note: If one frequency spot has more than one channel, for example, you want select
<Ch14 No.2>, Press 1 and 4, then press - and input 2. Once the input is done, it will start
broadcasting the selected channel immediately.
VOLUME CONTROL
1. Press the VOL+ or VOL- to adjust the level of currently volume.
2. The level of VOLUME can be adjusted from 0-30.
MUTE CONTROL
Press the MUTE button to mute the sound, press it again to switch ON the sound.
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Note: When the unit is in mute mode, pressing VOL+ button will switch on the sound and
turn it up, pressing VOL- button will switch on the sound and turn down the sound.
PICTURE MODE
ꢀPress PICTURE button to enter picture mode.
ꢀKeep pressing this button to scroll through the different
modes available.
ꢀPicture modes available are Standard, Dynamic, Soft and
Personal.
MTS (SOUND TRACK) MODE
This is used to change the audio output language.
ꢀPress MTS button to enter audio language selection
mode :
ꢀPress i or j buttons on 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 times,
Off/5/10/15/30/45/60/90/120/180/240 Min.
ZOOM
It is used to change the screen aspect ratio.
ꢀPress the ZOOM button to change the display mode.
ꢀThe display proportion can be adjusted between Wide (16:9) and Normal (4:3) mode.
INFO (INFORMATION)
This is used to display current program information.
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Press INFO button, the screen will display as below:
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FAV (FAVORITE LIST)
Press FAV button to enter the favorite list page as
following:
Note: “No Favorite CH” will appear on the screen if you
have not set any favorite program before.
FM RADIO OPERATION
Note:
ꢀPlug in the earbuds before switching to the FM RADIO, otherwise the alert message
"Headset is required for Radio" will appear on the LCD screen until the earbuds are
plugged into the phone jack. Follow the steps below to switch the audio to the built-in
speakers.
ꢀYou must then scan for radio channel(s) or nothing will be heard.
ꢀTo help conserve battery power, the screen will automatically go blank after 10 seconds if
no buttons are pressed. The screen will light again when any button is pressed.
Press 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.
2.
3.
4.
5.
6.
(AUTO) : To automatically search all the channels.
(UP) : Go to next preset station.
(DOWN) : Go back to previous preset station.
Increases FM frequency by 0.1 MHz for each press.
Decreases FM frequency by 0.1 MHz for each press.
(STORE) : Stores additional stations into memory presets.
©
ª
+
−
Use + and - to tune to desired station, then select STORE and press OK/ENTER to
store that station into the next available memory location. Maximum 30 radio presets
are available.
7.
(PHONE/SPEAKER): Switches the sound output between the earbuds (default) and
the built-in speakers of the TV.
JDTV-750 User Manual, page 15
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CARE AND MAINTENANCE
1.
2.
Children should be supervised when using this TV set.
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.
4.
Fold back the telescopic antenna and return it to the built-in holder when not in use to
avoid possible damage.
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.
6.
Avoid leaving your unit in direct sunlight or in hot, humid or dusty places.
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.
ꢀ
Recharge battery with provided
ac adaptor.
ꢀ
Set Power On/Off switch is set
to “on”
ꢀ
ꢀ
Power On/Off switch is set
to “off”.
Signal is weak.
No picture
received
ꢀ
Fully extend the rotary
telescopic antenna or change
to the external telescopic
antenna provided.
Try other TV channels.
Fully extend the rotary
telescopic antenna or change
to the external telescopic
antenna provided and try
different locations.
ꢀ
ꢀ
Receiving channel is not in
service.
Signal is weak.
ꢀ
ꢀ
Picture is
pixilated
ꢀ
Watching TV in a moving
vehicle or user is walking
ꢀ
ꢀ
Watch TV programs only when
it is stationary.
It is considered as acceptable if
the total number of bright and
dim pixels is not more than 4 at
the corners.
Bright or dim ꢀ
pixels on TV
screen
This is due to possible
manufacturing defects.
Does not scan ꢀ
for a FM station
ꢀ
The earbuds are not
plugged in.
The FM station is
ꢀ
ꢀ
Plug in the included earbuds.
Try another FM station.
temporarily out of range. ꢀ
Possible external
Retry the tuning process in
another location.
ꢀ
interference.
JDTV-750 User Manual, page 16
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SPECIFICATIONS
RF Reception
Antennas
Terrestrial ATSC 8VSB: 54 - 863MHz (CH2 – 69)
FM Radio: 87–108MHz
Built-in Antenna : detachable rotary telescopic, monopole type with
F connector
External Antenna : monopole type with 48-inch extension cord & F
connector
Audio Processing
Audio Output
Video Processing
TFT Color Panel
Digital Multi-lingual
Built-in Speakers x 2 and 3.5mm Headphone Jack
MPEG-2 Video Decoding, Terrestrial NTSC
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 batteries
Operating
Temperature
Weight
41°F ~ 113°F (5°C ~ 45°C)
16oz (460g)
JDTV-750 User Manual, page 17
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90 DAY LIMITED WARRANTY AND SERVICE
VALID IN THE U.S.A ONLY
SPECTRA MERCHANDISING INTERNATIONAL, INC. warrants this unit to be free from
defective materials or factory workmanship for a period of 90 days from the date of original
customer purchase and provided the product is utilized within the U.S.A. This warranty is not
assignable or transferable. Our obligation under this warranty is the repair or replacement of
the defective unit or any part thereof, except batteries, when it is returned to the SPECTRA
Service Department, accompanied by proof of the date of original consumer purchase, such
as a duplicate copy of a sales receipt.
You must pay all shipping charges required to ship the product to SPECTRA for warranty
service. If the product is repaired or replaced under warranty, the return charges will be at
SPECTRA’s expense. There are no other express warranties other than those stated herein.
This warranty is valid only in accordance with the conditions set forth below:
1. The warranty applies to the SPECTRA product only while:
a. It remains in the possession of the original purchaser and proof of purchase is
demonstrated.
b. It has not been subjected to accident, misuse, abuse, improper service, usage
outside the descriptions and warnings covered within the user manual or non-
SPECTRA approved modifications.
c.
Claims are made within the warranty period.
2. This warranty does not cover damage or equipment failure caused by electrical wiring not
in compliance with electrical codes or SPECTRA user manual specifications, 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 SERVICE please remove all batteries (if any) and pack the
unit carefully and send it freight prepaid to SPECTRA at the address shown below. IF THE
UNIT IS RETURNED WITHIN THE WARRANTY PERIOD shown above, please include a
proof of purchase (dated cash register receipt) so that we may establish your eligibility for
warranty service and repair of the unit without cost. Also include a note with a description
explaining how the unit is defective. A customer service representative may need to contact
you regarding the status of your repair, so please include your name, address, phone
number and email address to expedite the process.
IF THE UNIT IS OUTSIDE THE WARRANTY PERIOD, please include a check for $75.00 to
cover the cost of repair, handling and return postage. All out of warranty returns must be
sent prepaid.
It is recommended that you contact SPECTRA first at 1-800-777-5331 or by email at
cases the model you have may be discontinued, and SPECTRA reserves the right to offer
alternative options for repair or replacement.
SPECTRA MERCHANDISING INTERNATIONAL, INC.
4230 North Normandy Avenue,
Chicago, IL60634, USA.
1-800-777-5331
To register your product, visit the link on the website below to enter your information.
Printed in China
JDTV-750 User Manual, page 18
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