LED TV
user manual
Important Safety Instructions
Warning! Important Safety Instructions
(Please read the safety instructions below before installing and using the product.)
| CAUTION | This symbol indicates that high voltage is present inside. It | |
| is dangerous to make any kind of contact with any internal | |
| RISK OF ELECTRIC SHOCK. DO NOT OPEN | ||
part of this product. | ||
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE | This symbol indicates that important literature concerning |
Getting Started
Accessories
| yy Remote Control & Batteries (AAA x 2) | yy Warranty Card / Regulatory Guide (Not available in some locations) |
| yy Owner’s Instructions | yy Power Cord |
| yy Composite (AV) | yy Coaxial (RF) | yy |
| yy Component | yy HDMI |
|
|
|
|
| TV Controller (Panel Key) |
|
|
MEDIA.P
Connections
yy For better picture and audio quality, connect to a digital device using an HDMI | yy PC/DVI AUDIO IN input is not supported. | |
| cable. | yy For HDMI/DVI cable connection, you must use the HDMI IN port. | |
yy The picture may not display normally (if at all) or the audio may not work if an | yy Connecting through the HDMI cable may not be supported depending on the | |
external device that uses an older version of HDMI mode is connected to the TV. | PC. | |
| If such a problem occurs, ask the manufacturer of the external device about the | yy If an HDMI to DVI cable is connected to the HDMI IN port, the audio does not | |
| HDMI version and, if out of date, request an upgrade. | ||
| work. | ||
| yy Be sure to purchase a certified HDMI cable. Otherwise, the picture may not | ||
yy For | ||
| display or a connection error may occur. | ||
| connect the HDMI IN port. | ||
|
| HDMI connection |
| PC connection |
PC | |||
| player / DVD |
| |
Figures and illustrations in this User Manual are provided for reference only and may differ from actual product appearance. Product design and specifications may be changed without notice.
Still image warning
Avoid displaying still images (like jpeg picture files) or still image element (like TV programme logo, panorama or 4:3 image format, stock or news bar at screen bottom etc.) on the screen. Constant displaying of still picture can cause ghosting of LED screen, which will affect image quality. To reduce risk of this effect, please follow below recommendations:
yy Avoid displaying the same TV channel for long periods.yy Always try to display any image on full screen, use TV set picture format menu for best possible match.
yy Reduce brightness and contrast values to minimum required to achieve desired picture quality, exceeded values may speed up the burnout process.
yy Frequently use all TV features designed to reduce image retention and screen burnout, refer to proper user manual section for details.
Securing the Installation Space
Keep the required distances between the product and other objects (e.g. walls) to ensure proper ventilation.
Failing to do so may result in fire or a problem with the product due to an increase in the internal temperature of the product.
✎✎ When using a stand or
xxIf you use parts provided by another manufacturer, it may result in a problem with the product or an injury due to the product falling.
✎✎ The appearance may differ depending on the product.✎✎ Be careful when you contact the TV because some parts can be somewhat hot.
| Installation with a stand. |
| Installation with a | |||||||||||
|
|
|
|
| 10 cm |
|
|
|
| 10 cm | |||
10 cm |
| 10 cm | |||||||||||
|
|
| 10 cm | ||||||||||
|
|
|
|
|
|
|
| 10 cm |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
| 10 cm | ||
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
| |||
If you have any questions or comments relating to Samsung products, please contact the SAMSUNG customer care Centre.
| Country | Customer Care Centre | Web Site | |
| AUSTRALIA | 1300 362 603 | www.samsung.com | |
|
|
| |
| NEW ZEALAND | 0800 SAMSUNG (0800 726 786) | www.samsung.com | |
|
|
| |
| CHINA | www.samsung.com | ||
|
|
| |
|
| www.samsung.com/ | |
| HONG KONG | (852) | hk | |
www.samsung.com/ | |||
|
| ||
|
| hk_en/ | |
|
|
| |
| INDIA | 1800 3000 8282 | www.samsung.com/ | |
1800 266 8282 | in | ||
| |||
|
|
| |
| INDONESIA | www.samsung.com/ | ||
id | |||
| |||
|
|
| |
| JAPAN | www.samsung.com | ||
|
|
| |
| MALAYSIA | www.samsung.com/ | ||
my | |||
|
| ||
|
|
| |
|
| ||
| for PLDT |
| |
| www.samsung.com/ | ||
| PHILIPPINES | Digitel | ||
ph | |||
| |||
|
| ||
| Globe |
| |
|
| ||
|
|
| |
| SINGAPORE | www.samsung.com | ||
|
|
| |
| THAILAND | www.samsung.com/ | ||
th | |||
| |||
|
|
| |
| TAIWAN | www.samsung.com | ||
|
| ||
|
|
| |
| VIETNAM | 1 800 588 889 | www.samsung.com | |
|
|
|
| COVER (OR BACK). THERE ARE NO USER SERVICEABLE PARTS INSIDE. RE- | operation and maintenance has been included with this |
| FER ALL SERVICING TO QUALIFIED PERSONNEL. | product. |
• The slots and openings in the cabinet and in the back or bottom are provided for necessary ventilation. To ensure reliable operation of this apparatus, |
and to protect it from overheating, these slots and openings must never be blocked or covered. |
| - Do not cover the slots and openings with a cloth or other materials. |
- Do not block the slots and openings by placing this apparatus on a bed, sofa, rug or other similar surface. |
- Do not place this apparatus in a confined space, such as a bookcase or |
• Do not place this apparatus near or over a radiator or heat register, or where it is exposed to direct sunlight. |
• Do not place a vessel containing water (vases etc.) on this apparatus, as this can result in a risk of fire or electric shock. |
• Do not expose this apparatus to rain or place it near water (near a bathtub, washbowl, kitchen sink, or laundry tub, in a wet basement, or near a |
swimming pool etc.). If this appratus accidentally gets wet, unplug it and contact an authorized dealer immediately. |
| • Make sure to pull out the power cord from the outlet before cleaning. |
• This apparatus use batteries. In your community, there might be regulations that require you to dispose of these batteries properly to protect the |
environment. Please contact your local authorities for disposal or recycling information. |
• Do not overload wall outlets, extension cords, or adaptors beyond their capacity, since this can result in fire or electric shock. |
• |
attention to cords at the plug end, where connected to adaptors, and at the point where they exit from the apparatus. |
• To protect this apparatus from a lightning storm, or when it is left unattended and unused for long periods of time, unplug it from the wall outlet and |
disconnect the antenna or cable system. This will prevent damage to the set due to lightning and power line surges. |
• Before connecting the AC power cord to the DC adaptor outlet, make sure the voltage designation of the DC adaptor corresponds to the local |
| electrical supply. (depending on the model) |
• Never insert anything metallic into the open parts of this apparatus. Doing so may create a danger of electric shock. |
• To avoid electric shock, never touch the inside of this apparatus. Only a qualified technician should open this apparatus. |
• Make sure to plug the power cord in until it is firmly inserted. Pull on the plug, not the cord, when removing the power cord from the outlet. Do not |
| touch the power cord with wet hands. |
• If this appratus does not operate normally - in particular, if there are any unusual sounds or smells coming from it - unplug it immediately and contact |
| an authorized dealer or service center. |
• Be sure to pull the power plug out of the outlet if the TV is to remain unused or if you are to leave the house for an extended period of time (especially |
| when children, elderly or disabled people will be left alone in the house). |
- Accumulated dust can cause an electric shock, an electric leakage, or a fire by causing the power cord to generate sparks and heat, or cause the |
| insulation to deteriorate. |
• Be sure to contact an authorized service center, when installing your set in a location with heavy dust, high or low temperatures, high humidity, |
chemical substances or where it will operate for 24 hours a day such as in an airport, a train station, etc. Failure to do so may cause serious damage |
| to your set. |
| • Use only a properly grounded plug and receptacle. |
- An improper ground may cause electric shock or equipment damage. (Class l Equipment only.) |
• To turn off the apparatus completely, you must pull the power plug out of the wall socket. Consequently, the power plug should be readily accessible |
| at all times. |
| Selecting the Menu |
|
| m R s |
|
| Selecting a Source | |||
|
|
|
| ||||||
|
|
|
| P |
|
|
| Power off | |
|
|
|
|
|
| ||||
| TV Controller | |
| Remote control sensor | ||
The image is drawn by facing | ||
| ||
| the front side of the TV. |
✎✎ To close the Menu, Media Play List, or Source List, press the Controller for more than 1 second.
✎✎ When selecting the function by moving the controller to the up/down/left/right directions, be sure not to press the controller. If you press it first, you cannot operate it to move the up/down/left/right directions.
Plug & Play (Initial Setup)
When you turn the TV on for the first time, a sequence of screens and
✎✎ If you are not using a cable box or satellite box, make you sure have connected the TV to an Aerial or cable connection before you turn on the TV. ✎✎ Connecting the power cord and antenna. (refer to ‘Connections’)
yyThe rear panel may differ |
| depending on the model. |
| TV Rear Panel |
or
This marking on the product, accessories or literature indicates that the product and its electronic accessories should not be disposed of with other household waste at the end of their working life. To prevent possible harm to the environment or human health from uncontrolled waste disposal, please separate these items from other types of waste and recycle them responsibly to promote the sustainable reuse of material resources.
For more information on safe disposal and recycling visit our website www.samsung.com/in or contact our Helpline numbers - 18002668282, 180030008282.
- 1 -
| • Do not allow children to hang onto the product. |
• Store the accessories (batteries, etc.) in a location safely out of the reach of children. |
• Do not install the product in an unstable location such as a shaky self, a slanted floor, or a location exposed to vibration. |
• Do not drop or impart a shock to the product. If the product is damaged, disconnect the power cord and contact a service center. |
• To clean the product, unplug the power cord from the power outlet and wipe the product using a soft, dry cloth. Do not use any chemicals such |
as wax, benzene, alcohol, thinners, insecticide, air freshener, lubricant or detergent. This may damage the appearance or erase the printing on the |
| product. |
| • Do not expose the apparatus to dripping or splashing. |
| • Do not dispose of batteries in a fire. |
| • Do not short circuit, disassemble, or overheat the batteries. |
| • not short circuit, disassemble, or overheat the batteries. |
• There is a danger of explosion if you replace the batteries with the wrong type of battery. Replace only with the same or equivalent type. |
• WARNING - TO PREVENT THE SPREAD OF FIRE, KEEP CANDLES OR OTHER OPEN FLAMES AWAY FROM THIS PRODUCT AT ALL TIMES. |
- 2 - |
- 3 -
|
|
| Cable |
| Component connection |
| AV connection | |
|
| ||
| VCR |
|
- 4 -
|
|
|
|
|
|
|
|
| How to use Edit Name |
| |
Changing the Input Source |
|
|
|
|
|
| |||||
|
|
|
|
|
|
| Edit Name lets you associate a device name to an input source. To | ||||
|
|
|
|
|
|
|
|
| |||
| Source List |
|
|
| access Edit Name, press the TOOLS button in Source List. Name the | |||||||
|
| device connected to the input jacks to make your input source selection | |||||||||
| Use to select TV or other external input sources such as DVD / |
|
| easier. | ||||||||
| players / cable box / STB satellite receiver connected to the TV. |
|
| ✎✎ When connecting a PC to the HDMI IN port with HDMI cable, you | ||||||||
| 1. Press the SOURCE button. |
|
| should set the TV to PC mode under Edit Name. | ||||||||
| 2. Select a desired external input source. |
|
| ✎✎ When connecting a PC to the HDMI IN port with HDMI to DVI cable, | ||||||||
| ■■TV / AV / Component / HDMI |
|
| you should set the TV to DVI PC mode under Edit Name. | ||||||||
|
| ✎✎ When connecting an AV devices to the HDMI IN port with HDMI to | |||||||||
| ✎✎ You can only choose external devices that are connected to the TV. |
|
| |||||||||
| In the Source List, connected inputs will be highlighted. |
|
| DVI cable, you should set the TV to DVI mode under Edit Name. | ||||||||
|
| Information |
| ||||||||
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
| You can see detailed information about the selected external device. | ||
|
|
|
|
|
|
|
|
| ✎✎ Information only available for the current connected source. | ||
Remote Control
✎✎ This remote control has Braille points on the Power, Channel, and Volume buttons and can be used by visually impaired persons.
Mode | Resolution | Horizontal Frequency | Vertical Frequency | Pixel Clock Frequency | Sync Polarity | |
(KHz) | (Hz) | (MHz) | (H / V) | |||
IBM | 720 x 400 | 31.469 | 70.087 | 28.322 | ||
MAC | 640 x 480 | 35.000 | 66.667 | 30.240 | ||
832 x 624 | 49.726 | 74.551 | 57.284 | |||
| ||||||
| 640 x 480 | 31.469 | 59.940 | 25.175 | ||
| 640 x 480 | 37.861 | 72.809 | 31.500 | ||
| 640 x 480 | 37.500 | 75.000 | 31.500 | ||
| 800 x 600 | 37.879 | 60.317 | 40.000 | +/+ | |
| 800 x 600 | 48.077 | 72.188 | 50.000 | +/+ | |
VESA DMT | 800 x 600 | 46.875 | 75.000 | 49.500 | +/+ | |
| 1024 x 768 | 48.363 | 60.004 | 65.000 | ||
| 1024 x 768 | 56.476 | 70.069 | 75.000 | ||
| 1024 x 768 | 60.023 | 75.029 | 78.750 | +/+ | |
| 1280 x 720 | 45.000 | 60.000 | 74.250 | +/+ | |
| 1366 x 768 | 47.712 | 59.790 | 85.500 | +/+ |
xxBright light may affect the performance of the remote control. Avoid using nearby special fluorescent light or neon signs.
xxThe Colour and shape may vary depending on the model.❑❑ Retuning Channels
Area
You can change the desired area.Auto Store
(depending on the country)Scans for a channel automatically and stores in the TV.✎✎ Automatically allocated programme numbers may not correspond to actual or desired programme numbers. If a channel is locked, the PIN input window appears.
Manual Store
Scans for a channel manually and stores in the TV.✎✎ If a channel is locked, the PIN input window appears.✎✎ According to channel source, Manual Store may be supported.✎✎ Programme, Colour System, Sound System, Channel, Search, Store: If there is abnormal sound or no sound, reselect the sound standard required.
✎✎ Channel modexxP (Programme): When tuning is complete, the broadcasting stations in your area have been assigned to position numbers from P0 to P99. You can select a channel by entering the position number in this mode.
xxC (aerial channel mode) / S (cable channel mode): These two modes allow you to select a channel by entering the assigned number for each aerial broadcasting station or cable channel.
Channel List Option Menu tSet each channel using the Channel List menu options (Add / Delete, Add to Favourite / Delete from Favourite, Timer Viewing, Lock /
Channel Mode
Channels will be switched within the favourite or memorised channel list. ■■Added Channels: Shows all added channels.
■■Favourite Ch.: Shows all favourite channels.Fine Tune
If the reception is clear, you do not have to fine tune the channel, as this is done automatically during the search and store operation. If the signal is weak or distorted, fine tune the channel manually.
✎✎ Fine tuned channels that have been saved are marked with an asterisk “*” on the
Picture Menu
Mode t
Select your preferred picture type.■■Dynamic: Suitable for a bright room.■■Standard: Suitable for a normal environment.■■Movie: Suitable for watching movies in a dark room.■■Entertain: Suitable for watching movies and games. ✎✎ It is only available when connecting a PC.
Backlight / Contrast / Brightness / Sharpness / Colour / Tint (G/R)
Your television has several setting options for picture quality control. ✎✎ In analogue TV, AV modes of the PAL system, the Tint (G/R)
■■Motion Lighting: Reduce power consumption by brightness control adapted motion.
✎✎ Only available in Standard mode.Picture Options
■■Colour Tone✎✎ Warm1 or Warm2 will be deactivated when the picture mode is Dynamic.■■Size: Your cable box/satellite receiver may have its own set of screen sizes as well. However, we highly recommend you use 16:9 mode most of the time.
16:9: Sets the picture to 16:9 wide mode.Wide Zoom: Magnifies the picture size more than 4:3. ✎✎ Adjusts the Position by using ▲, ▼ buttons.
Zoom: Magnifies the 16:9 wide pictures vertically to fit the screen size.4:3: Sets the picture to basic (4:3) mode.✎✎ Do not watch in 4:3 format for a long time. Traces of borders displayed on the left, right and centre of the screen may cause image retention (screen burn) which are not covered by the warranty.
Screen Fit: Displays the full image without any| / 1080i / 1080p) or Component (1080i / 1080p) signals are inputted. |
✎✎ NOTE |
| xxAfter selecting Screen Fit in HDMI (1080i / 1080p) or Component |
| (1080i / 1080p) mode: Adjusts the Position or Size by using ▲, ▼, |
| ◄, ► button. |
| xxDepending on the input source, the picture size options may vary. |
| xxThe available items may differ depending on the selected mode. |
| xxSettings can be adjusted and stored for each external device |
| connected to an input on the TV. |
Sound Menu
Mode t
■■Standard: Selects the normal sound mode.■■Music: Emphasizes music over voices.■■Movie: Provides the best sound for movies.■■Clear Voice: Emphasizes voices over other sounds.■■Amplify: Increase the intensity of
Equalizer
(standard sound mode only)■■Balance: Adjusts the balance between the right and left speaker.■■100Hz / 300Hz / 1kHz / 3kHz / 10kHz (Bandwidth Adjustment): Adjusts the level of specific bandwidth frequencies.
■■Reset: Resets the Equalizer to its default settings.DTS TruSurround t
(standard sound mode only)
This function provides a virtual 5.1 channel surround sound experience through a pair of speakers using HRTF (Head Related Transfer Function) technology.
Auto Volume
Because each broadcasting station has its own signal conditions, the volume may fluctuate each time channel is changed. This feature lets you automatically adjust the volume of the desired channel by lowering the sound output when the modulation signal is high or by raising the sound output when the modulation signal is low.
Setup Menu
Language
Set the menu language.✎✎ Select Language and press the ENTEREbutton.Time
✎✎ The current time will appear every time you press the INFO button.■■Clock Set: Set the Day, Month, Year, Hour, Minute. ■■Sleep Timer tAutomatically shuts off the TV after a preset period of time. (30, 60, 90, 120, 150 and 180 minutes)
✎✎ To cancel Sleep Timer, select Off.■■Timer 1 / Timer 2 / Timer 3Three different on / off timer settings can be made. You must set the clock first.
On Time / Off Time: Set the hour, minute and Activate / Inactivate. (To activate the timer with the setting you have chosen, set to Activate.)
Volume: Set the desired volume level.Contents: When the On Time is activated, you can turn on a specific channel or play back contents such as photo or audio files.
−− TV/USB: Select TV or USB. (Make sure that an USB device is connected to your TV.)
−− Antenna: Displays the current antenna source.−− Channel: Select the desired channel.−− Music/Photo: Select the folder containing MP3/JPEG files on the USB device.✎✎ The maximum displayed number of files, including sub folders, inTurns the TV on and off. 
Alternately select Teletext ON, Double, Mix or OFF. 
Displays the channel list on the screen.
Views the Media Play. 
Quickly select frequently used functions. 
Selects the
| A | B |
P.MODE: Selects the picture mode. | P.MODE | P.SIZE |
| P.SIZE: Selects the picture size. |
|
|
| : Sports Mode on or off. |
|
|
Displays and selects the available video sources.
Returns to the previous channel. 
Cuts off the sound temporarily.
Changes channels.
| Displays the main |
| HDMI | Selects the HDMI mode directly. |
| Displays information on the TV screen. |
Exit the menu.CD 
Use these buttons according to the directionSPORTS | on screen. |
| Use these buttons in a specific feature. |
Channel Menu
❑❑ Seeing Channels
Channel List
Select a channel in the All Channels, Added Channels, Favourites or Programmed screen by pressing the ▲/▼ buttons, and pressing the ENTEREbutton. Then you can watch the selected channel.
■■
All Channels: Shows all currently available channels.■■
Added Channels: Shows all added channels.■■*Favourites: Shows all favourite channels.■■
Programmed: Shows all currently reserved Programmes. ✎✎ Using the remote control buttons with the Channel List xxGreen (Zoom): Enlarges or shrinks a channel number.
xxYellow (Select): Selects multiple channel lists. Select desired channels and press the Yellow button to set all the selected channels at the same time. The cmark appears to the left of the selected channels.
xxT(Tools): Displays the Channel List option menu. (The Options menus may differ depending on the situation.)
Channel Status Display iconsIconsOperationscA channel selected.*A channel set as a favourites. \ A locked channel.) A reserved programme.Unlock, Edit Channel Name, Sort, Select All / Deselect All, Auto Store). Option menu items may differ depending on the channel status.
Set each channel using the Channel List menu options. Option menu items may differ depending on the channel status.
■■Add / Delete: Delete or add a channel to display the channels you want.✎✎ All deleted channels will be shown on the All Channels menu. ✎✎ A
✎✎ Delete a channel from the Added Channels or Favourites menu in the same manner.
■■Add to Favourite / Delete from Favourite t: Set channels you watch frequently as favourites
■■Timer Viewing: You can set a desired channel to be displayed automatically at the set time; even when you are watching another channel. Set the current time first to use this function.
■■Edit Channel Name: Assign your own channel name.■■Sort: This operation allows you to change the programme numbers of the stored channels. This operation may be necessary after using the auto store.
■■Lock / Unlock: Lock a channel so that the channel cannot be selected and viewed.
✎✎ This function is available only when the Channel Lock is set to On.✎✎ The PIN input screen appears. Enter your
■■Select All / Deselect All: You can select or deselect all channels in the channel list.
■■Auto Store: Scans for a channel automatically and stores in the TV.✎✎ When connecting a PC, you can only make changes to Backlight, Contrast, Brightness and Sharpness.
✎✎ Settings can be adjusted and stored for each external device connected to the TV.
✎✎ Lowering picture brightness reduces power consumption.Advanced Settings
(available in Standard / Movie mode)Compared to previous models, new Samsung TVs have a more precise picture.■■Dynamic Contrast: Adjusts the screen contrast.■■Black Tone: Select the black level to adjust the screen depth.■■Flesh Tone: Emphasize pink “Flesh Tone”.■■Colour Space: Adjusts the range of colours available to create the image.■■White Balance: Adjust the colour temperature for a more natural picture.| xxIf you use the Screen Fit function with HDMI 720p input, 1 line will |
| be cut at the top, bottom, left and right as in the overscan function. |
| ■■Digital Clean View: If the broadcast signal received by your TV is weak, |
| you can activate the Digital Clean View feature to reduce any static and |
| ghosting that may appear on the screen. |
| ✎✎ When the signal is weak, try other options until the best picture is |
| displayed. |
| ■■MPEG Noise Filter: Reduces MPEG noise to provide improved picture |
| quality. |
| ■■HDMI Black Level: Selects the black level on the screen to adjust the |
| screen depth. |
| ✎✎ Available only in HDMI mode (RGB signals). |
| ■■Film Mode: Sets the TV to automatically sense and process film signals |
| from all sources and adjust the picture for optimum quality. |
| ✎✎ Available in TV mode, AV, COMPONENT (480i / 1080i) and HDMI |
(480i / 1080i). |
| ■■LED Clear Motion: Removes drag from fast scenes with a lot of |
| movement to provide a clear picture. |
Picture Reset
Resets your current picture mode to its default settings.■■Reset Picture Mode: Returns all picture values in the currently selected mode to the default settings.
Sound Reset
■■Reset All: Reset all sound settings to the factory defaults.Selecting the Sound Mode tWhen you set to Dual
| Audio Type | Dual | Default |
| Mono | Mono | Automatic |
| A2 Stereo | Stereo | Stereo ↔ Mono | change |
| Dual | Dual I ↔ Dual II | Dual I |
| Mono | Mono | Automatic |
| NICAM | Stereo | Mono ↔ Stereo | change |
| Stereo | Dual | Mono ↔ Dual I | Dual I |
| Dual II | ||
|
|
|
✎✎ If the stereo signal is weak and an automatic switching, occurs, then switch to the mono.
✎✎ Only activated in stereo sound signal.✎✎ This function is available for all input sources.Repeat: Select Once, Everyday, Mon~Fri, Mon~Sat, Sat~Sun or Manual to set at your convenience. If you select Manual, you can set up the day you want to activate the timer.
- 5 -
UF4003_ENG.indd 1- 6 -
- 7 -
- 8 -
5:02:52