Manuals+

ZIOCOM BT4853C Bluetooth 5.0 Transmitter Receiver

Item Number: Y.004.03.115

Material: 80g coated paper

Printing: Flip-page black and white printing, saddle-stitched into a booklet. Finished product has no black border.

Specifications

Feature Details
Bluetooth Version Bluetooth V5.0
Product Model BT4853C
Bluetooth Range 10m / 33ft
Bluetooth Protocol A2DP AVRCP
Battery Capacity 450mAh
Working Current ≤23mA
Working Voltage DC 3.0-4.2 V
Frequency Range 2.402 GHz~2.480GHz
Connection Method 3.5mm Aux or Digital Optical

Device Overview

The BT4853C features several ports and controls:

Diagram Description:
  • Button 1: [Power Button] (On/Off; Play/Pause)
  • Button 2: [Next Track / Volume Up]
  • Button 3: [Previous Track / Volume Down]
  • Button 4: [Bluetooth Pairing Button]
  • Switch 5: [RX / TX Mode Switch]
  • Port 6: [Type C Charging Port]
  • Port 7: [Optical Output for Speaker]
  • Port 8: [Optical Input for TV]
  • Port 9: [3.5mm AUX Input/Output Port]
  • Indicator 10: [Status Indicator Light]

Basic Operations

Power On / Power Off

Long press the [Power Button] for 3 seconds.

Volume Control

  • Play/Pause: Short press the [Power Button].
  • Volume Up: Short press the [+] button.
  • Volume Down: Short press the [-] button.
  • Next Track: Long press the [+] button.
  • Previous Track: Long press the [-] button.

Note: Volume cannot be controlled via BT4853C when connected via the optical port.

Mode Selection

RX / TX Mode Switch

Use the [RX / TX Mode Switch] (5) to select the mode:

  • TX: Bluetooth transmit mode (e.g., for TV).
  • RX: Bluetooth receive mode (e.g., for Speaker).

TX Mode: Bluetooth Transmitter

How to Use

  1. Switch to "TX" mode. Connect the BT4853C to your TV/Computer using a 3.5mm or optical audio cable.
  2. To turn on the device, long press the [Power Button] for 3 seconds. The device will enter reconnection state (green light flashes slowly). Alternatively, short press the [Bluetooth Pairing Button] to enter pairing state (green light flashes quickly).
  3. Turn on your Bluetooth headphone or speaker. Ensure the distance is within 1 meter. Connection may take 10-15 seconds.
  4. When the connection is complete, the green [Status Indicator Light] stays on.

Connect Two Bluetooth Headphones/Speakers

  1. After connecting the first device, short press the [Bluetooth Pairing Button] on BT4853C. The green [Status Indicator Light] will flash quickly, entering pairing mode.
  2. Turn on the second Bluetooth headphone or speaker. Ensure the distance is within 1 meter. Automatic connection may take 10-15 seconds.
  3. When the connection is complete, the green [Status Indicator Light] stays on. The BT4853C is now paired with two devices simultaneously.

Disconnect Current Connection

Long press the [Bluetooth Pairing Button] for 3 seconds to disconnect current devices. The device will enter pairing mode with the green [Status Indicator Light] flashing quickly.

RX Mode: Bluetooth Receiver

How to Use

  1. Switch to "RX" mode. Connect the BT4853C to your wired speaker using a 3.5mm or optical audio cable.
  2. To turn on the device, long press the [Power Button] for 3 seconds. The device will enter reconnection state (blue light flashes slowly). Alternatively, short press the [Bluetooth Pairing Button] to enter pairing state (blue light flashes quickly).
  3. Turn on the Bluetooth of your smartphone. Ensure the distance is within 1 meter. Connection may take 5-10 seconds.
  4. When the connection is complete, the blue [Status Indicator Light] stays on.

Connect Two Smartphones

  1. After connecting the first smartphone, short press the [Bluetooth Pairing Button] to enter pairing mode (blue light flashes quickly). The first smartphone can still function normally.
  2. Turn on Bluetooth on the second smartphone, search for BT4853C, and connect.
  3. When the connection to the second smartphone is complete, the blue [Status Indicator Light] stays on. Both smartphones are now connected simultaneously to BT4853C.
  4. Note: To switch music source, pause the first smartphone, then play music from the second smartphone after 5 seconds.

Charging and Power

Charging

If the BT4853C has low power or cannot power on, charge it using a 5V DC USB charging cable via the [Type C Charging Port]. The red indicator light stays on during charging and turns off when complete.

Low Power Prompt

When the battery is low, the BT4853C [Status Indicator Light] flashes red quickly. If the power is too low, the device will automatically turn off.

Considerations

  • TX Mode Sound Issue: If pairing is successful but there is no sound from headphones, check your TV volume settings. If no sound from the computer's [3.5mm AUX Input/Output Port], try selecting the rear port and adjust computer settings.
  • Pairing Failure: If pairing fails, clear the pairing list on BT4853C and smartphones, then try pairing again. Ensure BT4853C is in Bluetooth pairing mode. It is also recommended to turn off other Bluetooth devices.
  • Optical Port Volume: As noted, volume cannot be controlled via BT4853C when connected via the optical port.
Models: BT4853C Bluetooth 5.0 Transmitter Receiver, BT4853C, Bluetooth 5.0 Transmitter Receiver, 5.0 Transmitter Receiver, Transmitter Receiver, Receiver

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