
1.
Press to turn the Sound Bar main unit on or to standby mode.
2.
Press to switch the audio source among HDMI/USB/AUX/Bluetooth/Optical modes.
3.
Press to select the Bluetooth function.
4. +/- Press to increase or decrease the volume level.
5. Remote control sensor
Receive signals from the remote control.
6. LED indicator
Red: in standby mode.
Purple: in HDMI mode.
Green: in AUX mode.
Blue: in Bluetooth mode.
Yellow: in Optical mode.
White: in USB mode.
7. IR pass-through cable connector
8. AUX input connector
9. AC input power connector
10. HDMI ARC connector
11. Optical input connector
12. USB Type A connector (only for music playback)

1.
Press to turn the Sound Bar main unit on or to standby mode.
2.
Press to switch the audio source among HDMI/USB/AUX/Bluetooth/Optical modes.
3.
Press to select the Bluetooth function.
4. +/- Press to increase or decrease the volume level.
5. Remote control sensor
Receive signals from the remote control.
6. LED indicator
Red: in standby mode.
Purple: in HDMI mode.
Green: in AUX mode.
Blue: in Bluetooth mode.
Yellow: in Optical mode.
White: in USB mode.
7. IR pass-through cable connector
8. AUX input connector
9. AC input power connector
10. HDMI ARC connector
11. Optical input connector
12. USB Type A connector (only for music playback)
Notes
You can choose to place your Sound Bar main unit below the center of your TV or mount it on the wall.


Notes
Warnings
Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type.
Caution

After you have fixed the position of the Sound Bar main unit, you can start connecting it to your TV or other devices and listen to the audio through your Sound Bar. Make sure you have muted the audio of your TV or device. For information, check the user manual of your TV or device.
Note
• Make sure your TV or device supports the HDMI ARC feature. For information, check the user manual of your TV or device.
Connect one end of the HDMI cable to the HDMI ARC input connector on your Sound Bar main unit and another end to the HDMI ARC output connector of your TV or device.
To get the best possible audio experience using HDMI cable, follow below given steps:
1. Press Home button on your TCL Roku TV remote.
2. Navigate to Audio Options under Settings.
3. Check the “TV speaker enabled” option.
4. Under S/PDIF and ARC, select Auto Detect
5. To enable CEC control, follow below given steps:
a. Press Home button on your TCL Roku TV remote.
b. Navigate to Settings menu
c. Navigate to System menu
d. Navigate to Control other devices(CEC)
e. Check four options:
i. ARC
ii. System audio control
iii. 1-touch play
iv. System standby


Note
Directions for setting up your Sound Bar using an optical cable
Do not bend or kink the optical cable (SPDIF) as it is fragile and can easily get damaged and broken.

To get the best possible audio experience using optical cable:
1. Press the Home button on your TCL TV Remote.
2. Navigate to Audio option under Settings.
3. Uncheck the “TV speaker enabled” option.
4. Under S/PDIF and ARC, select PCM-Stereo.
Notes
You can either:


Notes
• Make sure your wireless device supports the Bluetooth function.
• The operational range between the Sound Bar main unit and your Bluetooth device is approximately 10 meters (without any obstacle between the Bluetooth device and Sound Bar main unit).
1. Press
on the top panel of your Sound Bar main unit or remote control to power on the Sound Bar.
2. Press
on the top panel of your Sound Bar main unit or remote control.
➜ The blue LED flashes slowly. The Sound Bar is ready to pair.
3. Power on your Bluetooth device and activate its Bluetooth function.
4. Select TCL Alto 7 on the pairing list of your Bluetooth device.
➜ You hear distinct double beep sound.
➜ The blue LED remains on solidly when pairing is successful.
Tip
• If you cannot find the model name TCL Alto 7 on your Bluetooth device, press and hold
on the remote control. You will see the blue LED flashes rapidly. Now the Sound Bar main unit is entering the pairing mode. Your Sound Bar system is now set up and ready to use.
5. To disconnect the Bluetooth function, you can:
• press
on the Sound Bar main unit or remote control to switch to another source; or
• disable the Bluetooth function on your device; or
• press and hold
on the remote control for 3 seconds
If the Sound Bar blocks the IR receiver of the TV when placing directly in front of it, you can connect the Sound Bar and TV with the supplied IR pass-through cable so that it can receive signal from the remote control of your TV. Connect one end of the IR pass-through cable to the IR pass-through cable connector on your Sound Bar main unit. Then, place another end with the IR blaster close to the TV sensor. For information, check the user manual of your TV.

on the top panel of your Sound Bar main unit or remote control to power on the Sound Bar.
at the top panel of your Sound Bar main unit or remote control to switch to the correct source. LED behaviors under different source modes
| LED indicators | Source mode |
| The red LED is on solidly. | in standby mode |
| The purple LED is on solidly. | in HDMI ARC mode |
| The green LED is on solidly. | in AUX mode |
| The blue LED is on solidly. | in Bluetooth mode |
| The blue LED flashes slowly. | ready to pair |
| The blue LED flashes slowly. | pairing in progress |
| The yellow LED is on solidly. | in optical mode |
| The white LED is on solidly. | in USB mode |
Tip
• You can use more advanced functions on the remote control (see ‘Connect your Sound Bar system’ on page 20).
You can enjoy your movies or music with your ideal sound.
on the remote control to mute the sound. Press
again to unmute the sound. | Operation | LED indicators |
| Adjust the volume. | The white LED flashes quickly and goes back to the source LED. |
| Mute the Sound Bar. | The red LED keeps flashing. |
| Unmute the Sound Bar. | The red LED flashes and goes back to the source LED. |
| Maximum or minimum volume level is reached. | The red LED is on for 2 seconds and goes back to the source LED. |
| Select the equalizer (EQ) effect). | Movie: The white LED flashes once. Music: The green LED flashes once. News: The yellow LED flashes once. |
Turn on the Sound Bar
When the sound bar is in standby mode, pressing the volume up (+) button of your TCL Roku TV remote control will turn on the Sound Ba

Control the Sound Bar volume
When the sound bar is on, pressing the volume up or down button of your TCL Roku TV remote control will turn the Sound Bar volume up (+) or down (-).

Listen to music from your Bluetooth device
to pause or resume music playback. Press
/
to skip to the previous/next track. Note
on the Sound Bar main unit or remote control. until the white LED is on.
on the remote control.
or
on the remote control.
| Operation | LED indicators |
| Listen to music. | The white LED is on. |
Press to pause the music. | The white LED keeps flashing. |
Press or to skip to the previous/next track | The white LED flashes quickly and goes back to the source LED. |
Tip
• This Sound Bar can support USB devices of up to 32GB memory and the supported file formats are MP3, WAV, FLAC.
Sound Bar main unit
• Power adapter: AC~100-240V, 50/60Hz
• Power consumption: 25W
• Power consumption at standby mode: ≤ 0.5W
• Impedance: 6 Ω
• Frequency response: 150 Hz-20 kHz
• Dimensions (W x D x H): 920 x 98 x 64 mm
• Weight: 2.56 kg
• Operating temperature: 0°C - 45°C
Bluetooth
Remote control
• Distance/Angle: 6m/ 30°
• Battery type: 1.5V AAA battery x 2, user replaceable.
No power
• Make sure the AC power cord and AC input connector are connected properly.
• Make sure there is power supply.
• Make sure the Sound Bar has turned on.
No sound
• Make sure the audio cable is connected to the Sound Bar and your device.
• Make sure you have selected the correct source.
• Press + to increase the volume level.
• Make sure the Sound Bar is not muted.
The remote control does not work.
• Make sure you have selected the correct source.
• Make sure the distance of remote control and the
Sound Bar main unit is within operational range.
• Make sure the battery is correctly inserted and is working.
• Make sure the remote control is close to the remote control sensor of the Sound Bar main unit.
I hear distorted sound.
• Make sure all cables are properly connected.
• Make sure you have selected the correct source.
• Make sure the TV is muted if you play audio from the TV.
I cannot find the Bluetooth name of this Sound Bar on my Bluetooth device.
• Make sure the Bluetooth function is activated on your Bluetooth device.
• Make sure the Sound Bar has paired with your Bluetooth device.