O
wner
'
s
M
anual
GT-10
Thank you for purchasing our guitar tuner GT-10. Please read this
manual carefully, before initially using the device. After reading, please
keep the manual for future reference.
Precautions
Location
Using the unit in one of these locations may lead to malfunction . . .
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. . . in direct sunlight,
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. . . under extreme high temperatures or humidity,
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. . . in excessively dusty of dirty locations,
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. . . locations, where the unit is exposed to excessive vibrations,
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. . . locations, where the unit might get wet,
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. . . close to strong magnetic fields.
Power supply
Be sure to turn off the power when the unit is not in use. Remove the
batteries to prevent the unit from getting damaged by battery leakage,
when the unit will not be used for a longer period of time.
Handling and care
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To avoid breakage, do not apply excessive force to the switches
or controls.
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Never submerge the unit into water or any other liquid. Only wipe
it with a clean dry cloth. Do not use liquid cleaners as benzene,
thinner, or cleaning compounds containing flammable polishes.
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If the unit refuses to be operated as described in this manual, take
out the batteries and put them back in. This will reset the unit and
hopefully solve the problem.
Keep out foreign material!
Keep this unit away from liquids. If liquid gets into the housing, the de-
vice could be seriously damaged. Be also careful, not to let any metal
objects enter the unit.
Operating Elements and Functions
Using the Tuner
1. Press button
q
, to turn the unit on.
2. Press button
q
, to calibrate the unit within a frequency range of
435 - 445 Hz.
3. Select the instrument to be tuned (G = guitar or B = bass) by
pressing button
w
.
4. Keep button
w
pressed for 2 seconds to choose "flat" tuning
mode.
5. Connect an electric instrument to the INPUT socket. To tune an
acoustic instrument, let the INPUT socket unplugged and move
the GT-10 near to the sounding part of the music instrument, so
the built-in microphone (MIC) can detect the notes.
6. Play single notes on the instrument and watch the display:
• if the left LED is lit, the tone is too low.
• if the right LED is lit, the tone is too high.
• if the middle LED is lit, the note is in tune.
The needle in the display will also indicate the tuning of the notes
you play. If the needle is left from the centre position, the tone is
too low. If the needle is right from the centre position, the tone is
too high.
7. Keep button
q
pressed for 2 seconds to switch the unit off.
Energy saving Function
If the unit does not receive any signal within 5 minutes, it will automati-
cally power off.
Replacing the Batteries
If the readability of the display decreases, the batteries must be re-
placed. Open the battery compartment and take out the weak batteries.
Replace them by 2 fresh ones with same specs. Take care for correct
polarity, otherwise the unit won't work and might get damaged.
Technical Specifications
Tuning range: ................
E1 (41.2 Hz) - d3 (1174.7 Hz)
A4 reference: ................. 435 - 445 Hz
Tuneable instruments: ... Guitar, Bass
Power supply: ................. 3 V, 2 x 1.5 V batteries (size AAA)
Dimensions: ................... 61,0 (W) x 92,0 (H) x 15,0 (D) mm
Weight: ..........................
≤ 70 g
As we continuously strive to improve our products, all specifications
and appearance are subject to change without prior notice.
Disposal
Do not dispose of the device at the end of its operating life in
your normal domestic waste. This device is subject to the Euro-
pean Guidelines 2002/96/EC.
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Have the product disposed of by a professional disposal company
of by your communal disposal facility.
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Observe the currently applicable regulations. In case of doubt
contact your disposal facility.
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Dispose of packaging materials in an environmentally responsible
manner.
© 2011 • Musikhaus Thomann e. K. • Treppendorf 30 • 96138 Burgebrach • Germany • www.thomann.de
