Battery Charging
Operation
Features
Chromatic Tuner with Guitar, Bass, Ukulele and Violin modes.
Built-in rechargeable battery allows over 10 hours continuous
use per charge.
High contrast color display with strong and flexible clip for the
best viewing angle.
Auto Power off function for maximum battery life.
When the battery level is running low, please use the included USB
charging cable to recharge the unit.
1. Power/Mode Button
Press and hold this button for 2 seconds to switch the device on
or off. When the device is on, short press this button to switch
between the four different tuning modes.
2. b/Open button
When the tuner is in Guitar or Bass tuning modes, short press this
button to switch between the open and flat tuning modes: open G,
open D, open E, or half step flat (b) and whole step flat (bb).
3. Tuning Visuals
C(Chromatic)
G(Guitar)
Pitch is flat
In Tune
Pitch is high
B(Bass)
V(Violin)
U(Ukulele)
This device uses Li-Po battery, to
reach the maximum battery life,
please charge it before using it.
If the device will not be used for
a long time, please charge it at
least once every 3 months to
maintain battery health.
Input: DC 5.0V, <=100mA
Output: 3.7V/180mAh Polymer
Li-ion battery, <=15mA
NOTICE:
4. Note Detection:
a) Chromatic : C
#
C D E E F
#
F G
#
G A B B
b) Guitar : 6E 5A 4d 3G 2B 1E
c) Bass : 4E 3A 2G 1D
d) Violin : 4G 3D 2A 1E
e) Ukulele(C) : 4G 3C 2E 1A
