T51 - Loudspeaker Feelworld - Free user manual and instructions

Product Type	Portable Bluetooth Speaker
Brand	Feelworld
Model	T51
Dimensions (W x H x D)	200 x 100 x 80 mm (7.9 x 3.9 x 3.1 inches)
Weight	500 g (1.1 lbs)
Power Output	5 W (RMS)
Frequency Response	80 Hz – 20 kHz
Bluetooth Version	5.0
Bluetooth Range	10 m (33 ft)
Battery Capacity	2000 mAh, 3.7 V Li-ion
Playback Time	Up to 8 hours (at 50% volume)
Charging Time	3 hours via Micro USB
Audio Input	Bluetooth, 3.5 mm AUX, Micro SD, USB
Water Resistance	IPX5 (splash proof)
Hands-free Calling	Yes (built-in microphone)
Controls	Power, Volume +/-, Play/Pause, Next/Previous, Bluetooth pair, AUX
Included Accessories	USB charging cable, 3.5 mm AUX cable, user manual
Material	ABS plastic with metal mesh
Color	Black (or as available)
Cleaning	Wipe with a soft, dry cloth. Avoid liquids and abrasives.
Safety	Do not expose to extreme heat or moisture. Disconnect when not in use.
Repairability	Spare parts available from official retailer; refer to manual for disassembly.

Frequently Asked Questions - T51 Feelworld

How do I pair the Feelworld T51 speaker via Bluetooth?

Turn on the speaker, press the Bluetooth button until the indicator flashes. Enable Bluetooth on your device, select 'Feelworld T51' from the list. Once paired, the indicator will turn solid.

How long does the battery last on the T51?

The built-in 2000 mAh battery provides up to 8 hours of playback at 50% volume. Actual time varies with volume level and audio source.

Can I use the T51 while charging?

Yes, you can play music while the speaker is charging via the Micro USB port. However, charging may take longer during use.

Is the Feelworld T51 waterproof?

It has an IPX5 rating, meaning it is splash-proof. It can withstand light rain or sweat, but do not submerge in water.

How do I connect the speaker to a non-Bluetooth device?

Use the included 3.5 mm AUX cable. Plug one end into the speaker's AUX port and the other into your device. The speaker will automatically switch to AUX mode.

Why won't my T51 turn on?

Ensure the battery is charged. If the speaker still doesn't turn on, try resetting by pressing and holding the power button for 10 seconds. If the issue persists, contact support.

How do I adjust the volume on the T51?

Use the Volume + and - buttons on the top of the speaker. You can also adjust volume from your connected device. Note that the speaker's volume control is independent.

Can I play music from an SD card or USB drive?

Yes, insert a Micro SD card or USB drive with MP3/WMA files. The speaker will automatically detect and play from the inserted media. Use the Next/Previous buttons to switch tracks.

How do I answer a call using the speaker?

When a call comes in, press the Play/Pause button to answer. The built-in microphone allows hands-free conversation. Press again to hang up. The speaker will resume music after the call.

What does the indicator light mean?

Solid blue: connected via Bluetooth. Flashing blue: pairing mode. Red: charging. Solid red: fully charged. Flashing red: low battery. Refer to manual for more details.

USER MANUAL T51 Feelworld

Triple 2RU Rack Mount

HD LCD Monitor

Black rectangular device with three scenic mountain peaks on a beach at sunset, displayed side by side (no text or symbols visible)

User Manual

Product introduction:

Thank you for using our Triple Rack Mount Color LCD Monitor. This monitor adopts advanced integrated circuits and special TFT LED panel, which makes it low power consumption, stable performance, no radiation etc. This monitor is with HDMI, 3G-SDI, CVBS and AUDIO input, HDMI, 3G-SDI, CVBS output, Stereo headphone etc. It has a wide range of application, casing compact, simple operation, and strong compatibility. The advanced features contain Screen Marker, Pixel to Pixel, Image Flip, and Color Temp.etc

To insure best use of the unit, please read the

user's manual carefully.

CAUTION

1. Please use the qualified power adapter to charge.
2. Do not expose this product to direct sunlight, heat or humid Conditions
3. Keep away from strong light while using this product so as to obtain the clearest and the most colorful picture.
4. Please avoid heavy impact or drop on the ground.
5. Do not use chemical solutions to clean this unit. Please simply wipe with a clean soft cloth to keep the brightness of the surface.
6. In order to avoid damaging the product, please do not take apart or repair the unit by yourself without adjustable component in the unit by professional staff.

Features

• Triple rack mount LCD monitor, compact thin and lightweight design, which make it suitable for installing where the space is limited and also could be installed in the standard 19-inch rack.
• Three-color Tally indicator.
• With VIDEO, AUDIO, HDMI, 3G-SDI input, suitable for a variety of signals.
• Custom buttons, could set the custom F button function as customers operating habit.
• With advanced functions like Center Marker, Safe Frames, Check Field, Focus Assist, Aspect Ratio, Image Flip, P2P, Image Freeze, etc.

Contents

1. Product description ---- 3
2. Monitor operation instruction ---- 6
3. Technical Parameters 13
4. Trouble shooting 14

1. Product description

1.1 Front panel description (One of the them)

Front view of a rectangular electronic device with three rectangular panels and labeled ports (no text or symbols visible)

1. MODE: Signal input selection.

2. <: Volume down. In menu operation, it is for the adjustment of the set item.

3. : Volume up. In menu operation, it is for the adjustment of the set item.

4. MENU: Menu button

5. ∧/F1: No menu display, it is F1 button, when enters into menu bar, it is for the up item selection.

6. ∨/F2: No menu display, it is F2 button, when enters into menu bar, it is for the down item selection.

7. ⏻ On/Standby button

8. 🙏: Earphone jack
9. TALLY indicator.

1.2 Rear panel description

1.DC power input port.

1. 4-pin XLR DC12V power input.

Pin number	Signal
1	GND
2	No connection
3	No connection
4	+12V

1. 3G/SDI: input & output
2. CVBS: input & output
3. AUDIO: Audio input L / R

4. HDMI: input & output

5. TALLY indicator input

Screen #1	Screen #2	Screen #3	Tally
1	6	11	Green Light
2	7	12	Red Light
3	8	13	Yellow Light
4	9	14	Ground

1. USB program upgrade port

2. Monitor operation instruction

Connect DC12V power to our monitor, the three displays light, and then customers could operate the corresponding display screen button on the panel.

2.1 Monitor button instruction

Corresponding display screen On/Standby button

MODE

Signal input selection

MENU

Menu button

Earphone volume up.

In Menu operation, it is for menu bar

selection.

In secondary menu, it is as function selection or increase the value of the analog.

Earphone volume down.

In menu operation, it is for menu bar

selection.

In secondary menu, it is as function selection or decrease the value of the analog.

∧/F1

No menu display, it is F1 custom button.

After enter into secondary menu operation, it is for the up item selection.

VIF2

No menu display, it is F2 custom button.

In menu operation, press<,>button to select

then press ∨/F2 button to enter

into the secondary menu.

In secondary menu operation, it is for the down item selection.

F1/F2

Custom button, select F1/ F2 in F menu, then press>or<button to pop-up F button function and select (Center Marker, Safe Frames, Check Field, Focus Assist, Aspect Ratio, Image Flip, P2P, Image Freeze), then use ∧/F1 or ∨/F2 button to set one of them as F1 button function, press "MENU" button to confirm, and then press ∨/F2 button to enter F2 button custom operation.

2.2 Menu instruction

Press MENU button to pop-up menu, and press button to enter menu selection, then press ∨/F2 button to enter secondary menu, and then use ∧/F1 or ∨/F2 button to select the menu item, after enter into secondary menu, use >or<button to adjust item parameters, press MENU button to exit.

※ Pic. Mode: Standard, Dynamic, Mild, User.

Select "User" to adjust Brightness, Contrast, Saturation Sharpness according to the site situation.

※ Brightness: To adjust image's brightness.

※ Contrast: To adjust the brightest and the darkest ratio of the image, please note the sense of picture will make the picture lose the color when adjust proportion too high or low.

※ Saturation: To adjust color concentration.
※ Sharpness: Also called 'Resolution', is an indicator for the image plane definition and image edge sharpness. If sharpness is higher, then the details contrast on the image is higher, the image is more clearly.
※ Color Temp.: 6500, 9300, User. When select "User", adjust the R/G/B to meet the different user's requirement for the different Color Temp.
※ Tint: On NTSC video mode, color tint is adjusted by Tint.

Setting

- Menu of Page One

※ Language: Language for OSD:

English, 中文, Español, Português,

Français, Nederlands, Deutsch, 日本語

※ Aspect Ratio: To change the aspect ratio

Panorama, Just Scan, Zoom 1, Zoom 2, 16:9, 4:3, Autom

※ No Signal: Color options of screen background when no signal: Blue Screen, Red Screen, Green Screen, Black Screen, White Screen
※ OSD Trans.: To adjust the level of transparent.
※ OSD H: To adjust the OSD position in horizontal.
※ OSD V: To adjust the OSD position in vertical.
※ Zoom All: Select this function and use “<” or “>” button to adjust the image to Zoom In or Zoom Out separately.
※ OSD Time: Menu display time selection: 30s, 20s, 10s, Off.

- Menu of Page two

※ U/D Zoom: Press “<” or “>” button, to adjust the proportion of the image Up and Down to Zoom In or Zoom Out.

※ L/R Zoom Press “<” or “>” button, to adjust the proportion of the image Left and Right to Zoom In or

Zoom Out.

※ USB Upgrade: When need to upgrade the native data application software, copy the file to the U disk, then through the USB cable to connect with upgrade USB port, press “>”key to confirm. After the upgrade, monitor will automatically restart. Do NOT plug a USB cable into this connector without contacting the factory.

※ Reset: Press “>” button, back to original setting.

Function

※ Center Marker: To set center mark (cross mark) display.

※ Safe Frames: To adjust screen marker (off, 96%, 93%, 90%, 85%, 80%, 2.35:1)

※ Image Freeze: The current picture still (capture function)

※ Image Flip: The H_V Flip, H Flip, V Flip of the image around flip.

※ Check field: To switch among Color, Mono, Red, Green, Blue.
※ P2P: The display mode makes the resolution of the image consistent with display of the physical resolution.
※ Focus Assist: Under HDMI input, select this function, Peaking (Superimpose red highlight over parts of the monochrome image in focus), could be used as focus auxiliary function in camera viewfinder.

Shortcut button setting

※ F1: Custom button, Choose F1, press“<” or “>”button to pop-up (Center Marker, Safe Frames, Check Field, Focus Assist, Image Freeze, Aspect Ratio, Image Flip, P2P, Image Freeze) and use “^/F1”or “∨/F2” to set one of them as definition function. Press “MENU” to confirm.

※ F2: Custom button, see F1

1. Technical parameters

Panel Size	5.0inch
Panel Type TFT LCD
Resolution	800×480×3(RGB)
Backlight	LED
Dot Pitch 0.045(W) x 0.135 (H) mm
Aspect Ratio 16:9
Brightness	500cd/m2
Contrast	500:1
Response Time	TON=10ms; Toff=15ms
Viewing Angle 70°/70°(L/R) 50°/70°(U/D)
Input Signal HDMI/ 3G-SDI/ Video/ Audio(L/R)
Output signal HDMI/ 3G-SDI/ Video
Color Video Format PAL-4.43 / NTSC-3.58
HDMI Support Format	480i /480p /576i /576p720p (60/59.94/50/30/29/25/24/23.98)1080i (60/59.94/50)1080p(60/59.94/50/30/29.97/25/24/24fps/23.98/23.98fps)
SDI Support Format	480i/576i720p(60/59.94/50/30/29/25/24/23.98)1080i(60/59.94/50)1080p(60/59.94/50/30/29.97/25/24/24fps/23.98/23.98fps)
Headphone Output Stereo headphone output 3.5 mm interface
Input Voltage	DC: 9.0~24.0V
Power Consumption ≤25W
Unit Size (mm)	482.6Lx88Hx34D mm
Unit Weight ≈1570g
Working Temperature	-20~55°C
Storage Temperature	-30~65°C

4. Trouble Shooting

4.1 Only Mono or Single color picture:

① Please check Saturation, Brightness & Contrast adjustment.
② Please check monitor color from the menu "Check Field" is in Mono image or in other single color state.

4.2 NO image after put on the power

① Check if signal cable connection is in good condition, also need to check if the monitor is synchronized with the input signal, press “MODE” button to have a try.
② Make sure to use the standard adapter to connect the monitor.

4.3 No Sound

① Volume control did not open, can press the volume button and try increasing the volume.
② Check the AUDIO input and ensure there is AUDIO signal.

■ Remark:

★If there are still other problems, please contact with our related technical persons.
★If there are changes without prior notice.