Boston BTU-200 User Manual
DETAI L E D OPERATION INSTRUCTION
APPEARANCE AND SKETCH
LCD
Batt ery
cove r
Clip
A4 cal ibr ation
Tun ing
mode
Note d ispla y
Note a ccura cy
indi cat ion
ĸA4 key
ķPowe r/
Mode k ey
btu-200
musical products
Thank you very much for purchasing the Boston BTU-200 clip tuner with full color
display. Please read this manual carefully to make sure that you use the tuner
correctly and keep it for future reference.
1 Generalinstructions:
- Never use alcohol, petrol or other strong chemicals on the exterior or on the
LCD screen.
2 Batteryuse:
- Check the polarity when putting in a new battery.
- Remove the battery when the unit is not in use for a long time.
- To reset to factory default, remove the battery for about 10 seconds.
- Replace the battery when the display turns weak or unclear.
- Dispose of the old battery properly.
BTU-200 User’sManual
Boston BTU-200 clip tuner with
chromatic/guitar/bass/violin/ukulele mode
3 Operation:
- Press Power/ Mode key for 2 seconds to switch the unit on. When on,
press Power/ Mode key for 2 seconds to switch the unit off. After 3 minutes of
no detected vibrations the unit will switch off automatically.
- When on, press Power/ Mode key shortly to switch mode from C (chromatic)
to G (guitar), B (bass), V (violin) or U (ukulele). The selected mode will be
memorized for future usage.
- Standard pitch of the BTU-200 is A4=440Hz. To change the calibration shortly
press A4 key. The range that can be set is A4=430-450Hz.
- Follow the instructions indicated by the note indicator and arrow section in the
display and change pitch. A yellow area will indicate to raise pitch, a red area will
indicate to lower pitch. When the indicated note has reached perfect pitch the
middle arrow will light blue.
4 Technicalsummary:
- tuning mode: chromatic, guitar, bass, violin, ukulele
- tuning range: B0 - B7
- A4 calibration: 430 - 450Hz
- tolerance: +/- 1 cent
- input method: vibration
- power: 1x 3V CR2032 battery (enclosed)
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