Thank you for purchasing new FZONE FMT-331 Metro-Tuner, please read
this manual carefully to make sure that you are using it correctly. Please
keep it for future reference.
Fzone Technology Co., Ltd.
www.fzonetechnology.com
Overall
a．Never use alcohol,petrol or other strong chemical cleaning to wipe the
exterior or the LCD.
b．Do not crush or strike the exterior , otherwise the unit won't be in good
condition or has some other malfunctions.
Operation Guide
Notice for Use
Obverse Operation Display
Metro-Tuner
FMT-331 User's Manual
a. Confirm the correct polarity when putting in a new battery.
b.Take out the battery when the unit is not in use for a long time.
c. Take off the battery and re-put it in after 10 seconds when it can't work
well.
d．Replace with the new battery if the LCD lights show weak or unclear.
e．Dispose of the old battery properly.
Battery use
尺寸：105*233 MM
材质：80g速写纸
正反面印
Note
display
A4
Note
accuracy
indication
Vol.
Earpho ne
Note accuracy
indication needle
Stand
Battery
1.Operation guide in the tuning mode:
Function Operation Remark
Keep pressing button 4
for 2 seconds
It will transfer between tuner and metronome. Transferring mode
Press button 5 shortly It will transfer into TONE generator under tuner's
mode.
Mode Press button 1 Chromatic(C),Guitar(G),Bass(B),Violin(V)Ukulele(U)
A4
calibration
Slide button 2 for being
up or button 3 for being
down
Scope:410-490 Hz
Tuner
Flat display Press button 4 shortly Flat display b or #
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