LED-504K ISMT - Television Grunkel - Free user manual and instructions
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| Product Type | LED Television |
| Brand | Grunkel |
| Model | LED-504K ISMT |
| Screen Size | 50 inches (diagonal) |
| Display Resolution | 3840 x 2160 (4K UHD) |
| Dimensions (with stand) | 1125 x 705 x 245 mm |
| Dimensions (without stand) | 1125 x 650 x 85 mm |
| Weight (with stand) | 12.5 kg |
| Weight (without stand) | 11.8 kg |
| Power Supply | AC 100-240V, 50/60Hz |
| Power Consumption (typical) | 120 W |
| Standby Power Consumption | <0.5 W |
| Input Ports | 3x HDMI, 2x USB, 1x AV, 1x RF, 1x CI slot, 1x LAN, Optical audio output |
| Supported Video Formats | MPEG-2, MPEG-4, H.264, H.265, VP9 |
| Audio Output | 2 x 10 W speakers |
| Wall Mount Pattern | VESA 400 x 200 mm |
| Remote Control | Included (batteries not included) |
| Energy Efficiency Class | A+ |
| Warranty | 2 years |
| Operating Temperature | 0°C to 40°C |
| Humidity Range | 20% to 80% non-condensing |
Frequently Asked Questions - LED-504K ISMT Grunkel
How do I reset the TV to factory settings?
To reset your Grunkel LED-504K ISMT to factory settings, go to Settings > Device Preferences > Reset > Factory Data Reset. Confirm by selecting Erase Everything. This will delete all personal data and restore original settings.
How can I connect the TV to Wi-Fi?
Press the Home button on the remote, then navigate to Settings > Network > Wireless. Select your Wi-Fi network from the list, enter the password, and press Connect. The TV will automatically obtain an IP address.
What should I do if the screen is black?
First, ensure the TV is powered on (check the power indicator). If the screen remains black, try unplugging the TV from the power outlet, wait 60 seconds, and plug it back in. If the issue persists, check the input source and verify that the connected device is working. You may also perform a factory reset using the remote (if accessible).
How do I mount the TV on a wall?
Use a VESA-compatible wall mount (400x200 mm pattern). Remove the stands, attach the mounting bracket to the TV using the four screws provided with the mount, and fix the bracket to the wall. Ensure the wall can support the TV's weight (approx. 12 kg). For safety, have a professional installer handle the mounting.
How can I update the firmware?
Go to Settings > Device Preferences > System Update > Check for Update. If an update is available, follow on-screen instructions to download and install. Ensure the TV is connected to the internet and do not turn off during the process.
How do I use USB playback?
Insert a USB drive with supported video, audio, or image files into one of the USB ports. Press the Home button and select Media Player or USB from the input list. Browse your files using the remote and press OK to play. Supported formats include MP4, AVI, MKV, JPEG, and MP3.
How do I adjust picture settings?
Press the Menu button on the remote, go to Picture settings. You can adjust Brightness, Contrast, Saturation, Sharpness, and choose picture modes like Standard, Vivid, Movie, or Sports. For advanced options, explore Expert Settings.
How can I connect Bluetooth headphones?
Go to Settings > Sound > Bluetooth and enable Bluetooth. Put your headphones in pairing mode. The TV will scan for devices; select your headphones from the list. Once connected, audio will output to the headphones. Note: The TV may not support all Bluetooth audio devices.
How do I enable subtitles?
While watching a program, press the Subtitle button on the remote. If not available, press Menu and navigate to Subtitles or Closed Caption. Select your preferred language. For digital broadcasts, subtitles must be transmitted by the broadcaster.
How should I clean the TV screen?
Turn off the TV and allow it to cool. Use a soft, dry microfiber cloth to gently wipe the screen in circular motions. Do not apply pressure. Avoid using any chemical cleaners, alcohol, or water directly on the screen. For stubborn stains, slightly dampen the cloth with distilled water.
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