User Manual

Okayo WT-300 G2

1. Illustration

  1. Antenna
  2. LED Indicator:
    Transmitter (Tx) – power:
    • Green: sufficient power
    • Red: insufficient power
    Receiver (Rx) – power / reception:
    • Green: sufficient power and Tx signal received
    • Red: insufficient power and no Tx signal
    • No LED: Tx signal NOT received
  3. Up / down button
  4. Power / settings button
  5. Backlit display
  6. Lanyard hole
  7. Microphone volume control (Tx) / Headphone volume control (Rx)
  8. 3.5 mm microphone jack (Tx) / 3.5 mm headphone jack (Rx)
  9. Built-in microphone (Tx only)
  10. Charging port

2. Display

3. General Operating Instructions

3.1. Power On

Press the power button for 1 second to turn on the device.

3.2. Unlock and Adjust Channel

When the device is on, press AND hold the ▲ and ▼ buttons until the symbol disappears. Press the ▲ and ▼ buttons briefly to select another preferred channel. The channel will be automatically locked after 1 second of inactivity.

3.3. Set Microphone / Headphone Volume

Adjust the volume control at the top of the device to set the microphone / headphone volume.

⚠ Warning
Listening at high volume for extended periods may damage your hearing.

3.4. Power Off

Press the power button for 2 seconds to turn off the device.

3.5. Activate Out-of-Range Alarm (Rx only) (optional)

Receivers activate the out-of-range alarm if they do not receive a signal from a compatible transmitter for 1 minute.

⚠ Warning
This function is only available when activated through settings adjustment (see details in the "Advanced Operation" section).

4. Advanced Operation

4.1. Limited Interference-Free Channels

Only channels with significant frequency band separation are available for selection.
This allows multiple WT-300T-G2 transmitters to operate on different channels in close proximity without causing transmission interference.

  1. Before turning on the device, press and hold the ▼ button and simultaneously turn on the device with the power button ●.
  2. The default screen is displayed. Press the ▲ or ▼ buttons to navigate the options.
  3. After selecting an option, press the ● button to confirm.
  4. The device will automatically exit the settings menu and turn on. Press the ▲ or ▼ buttons to navigate the options.
  5. After selecting an option, press the ● button to confirm.
  6. The device will automatically exit the settings menu and turn on.
Symbol on Display Action

Symbol 1

All channels are available for selection.

Symbol 2

Only interference-free channels are available for selection.

Note! Channel numbers displayed on the screen vary depending on frequency.

4.2. Settings Adjustment

Transmitter (Tx)

  1. Before turning on the device, press and hold the ▲ button and simultaneously turn on the device with the power button ●.
  2. The default screen will be displayed. Press ▲ or ▼ to navigate the options.
  3. After selecting an option, press the ● button to confirm.
  4. The device will automatically exit the settings menu and turn on.
Symbol on Display Action

Channel Lock

Channel Lock

The channel shown on the transmitter will be automatically locked when the device is turned on.

- ON (default setting)
- OFF

Receiver (Rx)

  1. Before turning on the device, press and hold the ▲ button and simultaneously turn on the device with the power button ●.
  2. The default screen will be displayed. Press ▲ or ▼ to navigate the options.
  3. After selecting an option, press the ● button to confirm and enter the next setting.
  4. The device will automatically exit the settings menu and turn on.
Symbol on Display Action

Battery Saving

Battery Saving

The receiver will automatically turn off after the period of inactivity specified below.

- 0 (minutes)
- 10 (minutes)
- 20 (minutes) (default setting)
- 30 (minutes)

Out-of-Range Alarm

Out-of-Range Alarm

The receiver will automatically activate the alarm if it is out of range of a compatible transmitter for 1 minute.

- ON
- OFF (default setting)

Channel Lock

Channel Lock

The channel displayed on the receiver will be automatically locked when the device is turned on.

- ON (default setting)
- OFF

4.3. Reset to Default Settings

Press ▼, ▲ and the power button ● simultaneously to turn on the device – the settings will automatically reset to default. All default settings are shown below.

Transmitter (Tx)

  • Channel number: 01
  • Channels: All channels are open
  • Channel lock: ON

Receiver (Rx)

  • Channel number: 01
  • Channels: All channels are open
  • Battery saving: 20 (minutes)
  • Out-of-range alarm: OFF
  • Channel lock: ON