Joyo JMT-550 User manual

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I'UARNING
Locat o.
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Power supply
Please con nect the designated AC adapter to an AC outlet of the correct voltage. Do not
connect it to an AC outlet of voltage other than that for which your unit is intended.
lnterference with otlieT cleitfrlcal devlces
Radios and televisions placed nearby may experience reception interference. Operate this
unit at a suitable distance from radios and televisions.
Hand I ing
To avoid breakage, do not apply excessive force to the switches or controls.
Care
lf the exterior becomes dirty, wipe it with a clean, dry cloth. Do not use liquid cleaners such
as benzene or thinner, or cleaning compounds or flammable polishes.
Keep this manual
After reading this manual, please keep it for later reference.
Keeping foreign matter out of your eq uipment
Never set any container with liqu id in it near this equ i pment. lf liqu id gets into the
equipment, it could cause a breakdown, fire, or electrical shock.
Be careful not to let metal objects get into the equipment. lf something does slip into the
equipment, unplug the AC adapter from the wall ouflet and plug out the battery inside the
machine.Then contactyournearest dealerorthe store wheretheequipmenlwas
purchased
Regarding disposal
Do not dispose oi this product atong with your household trash. By d isposi ng of th is prod uct
correctly, you can avoid environmental harm or health risk. The correct method of disposal
will depend on your locality, so please contact the appropriate local authorities for deiails.
lmportant notice to customers
This product has been manufactured according to strict specifications and voltage
requirements that are applicable in the country in which it is intended that this product
should be used. lfyou have purchased this productvia the internet, through mail order,
and/or via a telephone sale, you must verify that this product is intended to be used in the
country in which you reside.
WARN I NG: use of th is prod uct in any country other than that for which it is i ntended courd
be dangerous and could invalidate the manufacturer,s or distributor,s warranty.
Please aiso retain your recei pt as proof of purchase otherwise your product may be

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JMT-550
f,ETRO.TUHER 00*
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10 11 12
'l,DIRECT CURREI{T lN : please use 9V direct cutrent power supply. (D€€
2.EARPHONE HOLE: with duDtex sound track S 3.4;i;;;;;;phone ptug, when you ptug
in the earphone. the buird-in soeaker *orlJ ",itor"ti"li[lJtlil"no urr ortput direcry out
from the earphone
3.VOLUME: to controlthe volume.
4.POWER ON/OFF: turn left to power off, turn right to starting up.
5.lNPUT: use audio cable to connect guitar or ot-ner equibme"nt..'
6.GAlN: to control distortion deoree.
T.LEVEL: to adjust guitar input iolume.
S.AUXIN: to connect Mp3 and other audio device.
9.UP&DoWN BUTTON: to adiust vatue of ttL s"l"ct"a it"r.
IO.MODE:
_ _ Switctftetween Tuner/Metronome/Rhythmplay
I.I,FUNCTION:
aUnder Tuner Mode
PressFUNCTlONtoswitchbetweenA4frequencyandFlat theFUNCTlONbuttonwon,t
work under SOUND mode
OUnder Metronome Mode
_ Press FUNCTION to switch between Tempo/Boat/ Rhythm/Tap.
OUnder Rhythmplay Mode
. -Pre-s-s-FUNCTION to switch between Tempo and Rhythmpattern.
12.SOUND/MUTE;
OUnder Tuner Mode
AfterpressingsouND/MUTE,lhescree-nshourddispray -noteA- orothernote,althe
$me time, the sp€aker wourd produce piano sounds bidur*ninot". uploowN button is
used ro serecr note (rhe FUNciroN bution ;;--t;;i JiiJi ibur.ro ,ode). pr€ss the
-SOUND/MUTE again to return to the tuner mode-
aUnder Metronome Mode
Switch between sound and mute.
aUnder RhythmPlay Mode
Switch between sound and mute.
I3.INDICATOR LED:
aUnder Tuner Mode
Accuracy indicator LEO: the middle green light indicates that the tone is in tune; the left
red right indicates that the tone is frat-: ttre rigit reo righirnJi""i"J tt "t tt " t"n" id Jr,"ip.'
aUnder Metronome Mode
The right red light means strong beats; the middle green light means weak beats; the left
red light means rhythm.
aUnder RhythmPlay Mode
The.left and right tights boih on means that the rhythm starts; alternative lighting means
beating.

(TunerI
Start the unit by turning on the power switch ON.
Press MODE sev€ral tim6s to switch to Tuner mode, and connect the instrument' s outpul
end with the IMPUT jack. The FUNCTION button, combining with UP/DOWN button, is used
forA4 frequency adrustmsnt or flat selection if needed. You canalso use the build-in MIC to
tune acoustic guilar or other similar instruments.
OA4 Frequency Adiustment
PressFUNCT|ONbuttonseveraltimesuntilthescreenshows "A4=",thenadjusttheA4
frequency with the UP/DOWN button.
OFlat Mode Adiustment
Press FUNCTION button several times until the screen shows 'Flat=" , then Press
UP/DOWN button to choose flat.
*Tuning is basod on lhe dlsplayBd note and iloiEt€r+ s
a slngto-tona, t0ne your instrummt agffiding to the r a.rrrYrs-rv,rs' Lu,,e rvu,
the pointer goes left and the lsft red led lights, the tons is flat; ifthe pointer goes right and
ihe rioht red led liohts. ihe tone is sharo: il the oointer stavs in the middle and the middls
the right red led lights, ihe tone is sharp; il the pointer stays in the middle and the middls
green led lights, the tone is in tune.
OUse the build-in piano sound as slandard pronunciation
Under tuner mode, SOUND/MUTE would lead you to various notes and standard
pronunciation, press UP/DOWN button to make a selection between those notes.
Your tuning is based on the standard pronunciation of notes.
IMetronome I
Start the unit by turning on the powsr switch ON.
Press MODE several times to switch to Metronomo mode, use FUNCTION and UP/DOWN
buttons to adiust Tempo, Beat, Rhythm, and Tap according to your needs. SOUND/MUTE is
used for switch over sound/mute mode.
aTempo Adjustment
Press FUNCTION button several times until the screen shows "Tempo" , then adjust
ORhythm Adjustment
Press FUNCTION button several times until the screen ihows "Rhythm" , then adjust
rhythm with the UP/DOWN button.
aFunction ofTap
Press FUNCTION button several times uniil the screen shows "Tap" ; then press UP
button to start the Tap function. You nsod to press the UP button again to choose speed
value- the beats per minute, which depends on the last two pressing. The screen shows
208 and 40 even though lhe actual speed value is higher or lower than lhese numbers.
You hav-e to restart the Tap function if you fail to press the UP again within 2 seconds.
(RhythmPlayI
Start the unit by turning on the power switch ON.
Press MODE several times to switch to RhythmPlay mode, use FUNCTION and UP/DOWN
buttons to adjust RhythmPattern and Tempo according to your needs. SOUND/MUTE is used
for switch wer sound/mute mode.
aRhythmPattern Adjustment
Press FUNCTION button several times until the screen shows "RhythmPattern" , then
adjust rhythm pattdrn with the UP/DOWN button.
aTempo Adjustment
Press FUNCTIoN button several times until the screen shows 'Tempo" , then adjust
tempo with the UP/DOWN button.

Please replace th6 bdttery undtirsuch circlimstinces: the unitdisplaFi dimtordoosn'
t work normally; or the sound quality deteriorates; or the screen shows a blinking empty
bafterysignal fl .
Battery installation method,
1.Turn the power OFF-
INPUT tNPUT. MIC. AUXIN
OUTPUT Build-in Speaker. Earphone
Porergv(Dcsv@G€)
<--tlfirension:'118(L)x25(Wlx74(H)mm- =*- .. #-
' Waight 1109 . '.:-. ..* i 1 5 ' '"-s ' "' +-
^. 2-Pull the top-€nd of the battery 6ver and remye it-
.*il-llllalUGrEJbdw,rrdcnsurB 6rBGt podtiE
.F*d neg-alire ptacam6nt
4.Close the battery cover.
*Please poweroff whenthe unit is not in qse.- ..
The unit would automatically save the last settings including Tuner/Metronome/RhythmPlay
mode; Tempo, Beat, Rhythm and RhythmPattern. Press UP/DOWN button when starting up
will clear those information and restore the factory settings: Tuner mode,Tempo=80,Bsat = 3,
- --Ehyfhnj, ShvthmPatlern=*L .
Tuner
A4 Frequency! 410-450H2
Tuning Range' 0A(27.5 HZ)-AC(4186.0 1 Hz)
Flat: None/b/bb
Model Sound' 4C-48
Accuracyr +lcent
Metronome
Tempo! 40-208 beats/min
B6ats: 0-9 _ _
Rhythm :Jir. Ir.4l..m . ry. tn )n
RhythmPlay
Tempo: 40-208 beats/min
- Rhyt{mPattem:l-4O
1Rockl 11 Ballad'l 21 RockBillv 3'l 3lue Grass'1
2Rock2 12 Ballad2 22 Rockgoooie 32 llue Grass 2
3Rock3 13 Dancel 23 RirckCheCha 33 llue Grass 3
4Rock4 14 Dance2 24 Slub Poo 34 ,6n WrllT
5Meta 115 Dance3 25 Beat Soul 35 {ullv Gullv
6Meta 2 16 Blues 26 Anre S^"1 36 -imbo Rock
7Meta 317 Fusion 27 Fu nk 37 lha Cha
IMeta 418 Country 28 16 Beat Shuffle 38 y'iennese Waltz
9FOP 19 Rockabily 29 F' 'nkSh' rtrl 39 3uad Dance
10 POP2 20 Disco 30 FusionShuffl 40 Slow Rock
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A- Manual 8.6F22 9VBattery*1