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features

-  Auto Power Off Function: The device will turn off automatically if there 

is no signal present or operation in 5 minutes.

- Note Detection: Chromatic, Guitar, Bass, Violin, Ukulele C, Ukulele D.
- Setting saved upon powering off.

operation

1.  Press  1  for 2 seconds to turn on/off CTU-C6. The CTU-C6 will turn 

on to the last setting. The default tuning mode is Chromatic when 
first powering on this tuner.

2. Press  3  briefly to set A4: 430~450Hz.

3.  Press  1  briefly to set mode: Chromatic 

 Guitar 

 Bass 

 Violin 

 

Ukulele C 

 Ukulele D 

 Chromatic.

4. Press  2  briefly to set flat: N/A 

 b 

 bb

5.  Play a single note on your instrument. The display will show the 

name of the note and string number closest to the pitch detected by 
the CLIP. Tune your instrument until the LCD shows the correct string 
and note name.

6.    Play a single note on your instrument, if the LCD is in orange and 

the accuracy indicator crosses the central line to the right , that 
means the note is sharp; if the accuracy indicator remains in the 
left part of the central line, that means the note is flat. Tune your 
instrument until the indicator stays in center and the LCD turns in 
green. 

7.  Note Detection:
 

 

 

  a) 

 

Chromatic:C,C#,D,Eb,E, 
F,F#,G,G#,A,Bb,B

   

 

 

b) Guitar: 6E,5A,4D,3G,2B,1E

   

 

 

c) Bass: LB,4E,3A,2D,1G,HC

   

 

 

d) Violin: 4G,3D,2A,1E

   

 

 

e) Ukulele C: 4G,3C,2E,1A

   

 

 

f ) Ukulele D: 4A,3D,2F#,1B

installing the battery

When the battery charge is low, the LCD  
will become dim. Please replace the battery  
as soon as possible.

Pay attention to polarity when replacing battery! 
Remove the battery if the product will not be used for a long period!

specifications

- Tuning scale: Chromatic, Guitar, Bass, Violin, Ukulele C, Ukulele D
- Tuning range: A0~C8
- Tuning mode: PIEZO
- A4: 430Hz~450Hz
- Precision: ±1 cent
- Power: 3V(CR2032 lithium battery)
- Power consumption: Tuning mode: <12mA / Power off: <1Ua

a.

d.

b.

e.

c.

f.

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