Connecting External Devices; Connecting Amplifiers Or Other Equipment (Output [L/Mono], [R] Jacks); Connecting A Microphone (Mic [Input] Jack, Mic [Gain] Knob) - Yamaha Harmony Director HD-300 Owner's Manual

Connecting External Devices

Connecting Amplifiers or Other Equipment (OUTPUT [L/MONO],
[R] jacks)
Standard phone plug
Connect a speaker with an internal amplifier to the OUTPUT jack.
For mono sound, only connect the [L/MONO] jack. For stereo sound, connect both the [L/MONO] jack and the [R] jack.
When an external device is connected, sound will no longer be produced by the instrument's speakers.
CAUTION
Make sure to turn off all devices when connecting external devices. Additionally, reduce the volume of each device to the
minimum before turning the power on or off. Failure to do so may cause electric shock or damage the device.
NOTICE
When outputting sound from the instrument to an external device, first turn on the power to the instrument, and then turn the
external device on. When turning the power off, follow the procedure in reverse order. Failure to do so may damage the device.

Connecting a Microphone (MIC [INPUT] jack, MIC [GAIN] knob)

Stereo mini phone plug
Connect a commercially available external microphone to the MIC [INPUT] jack.
Use a microphone with a stereo mini phone jack and plug-in power compatibility.
Connecting an external microphone will automatically disable the internal microphone.
NOTE
When an external microphone is connected, the MIC [GAIN] knob controls the volume of the external microphone.
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HD-300 Owner's Manual