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l-1 tuner, euro, 8hp
Two sources selectable with switch. Multiples to use a signal further.
A4 button Select A4 frequency in the range 430-450Hz.
ON button. If to hold the button 1 sec, turn the screen off/on. Momentary press select tunning item: Chromatic, Guitar, Bass, Violin, Ukulele. Default position is Chromatic. No need to change.
If no wave at the input or a wave is out of the range, screen will turn off in two minutes. If it happened just press ON button 1 sec to turn the screen on.
Power consumption: V+ 7mA, V- 0mA.