All Tortuga Audio preamps utilize a rotary encoder for manual volume control, muting, turning the preamp on and off, and switching input. Encoders are typically mounted through a front panel and have a control knob attached to their shaft just like a typical volume potentiometer. Encoders are a type of rotary switch with dual switches that close and open in sequences that are different depending on whether they are turned clockwise or counter-clockwise. The differences in their directional switching patterns are interpreted by the preamp controller for raising/lowering volume etc. Moreover, the encoder also has an integral push button.
Encoders differ from conventional potentiometers in the following ways:
Encoders with V25 preamps with OLED displays have the control functions listed below. The encoder is unique in that it is the only way to cause the preamp to enter into remote “pairing” mode to pair an Apple remote with the preamp controller.
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