Electronic Chromatic Tuner
Art.no 38-6981
Model WST-640C
Please read the entire instruction manual before using the product
and then save it for future reference. We reserve the right for
any errors in text or images and any necessary changes made
to technical data. In the event of technical problems or other
queries, please contact our Customer Services.
Operating instructions
Battery
1. Remove the battery cover on the back of the tuner by
sliding it in the direction of the arrow.
2. Insert 1 × CR2032 battery (sold separately) with the positive
terminal facing up.
3. Slide the battery cover back into place.
Tuning
1. Clip the tuner to the musical instrument and tilt it to
the desired angle.
GREAT BRITAIN • customer service tel: 020 8247 9300 e-mail: customerservice@clasohlson.co.uk internet: www.clasohlson.co.uk
2. Raising the head of the tuner switches it on.
On
Off
3. The tuner indicates the pitch of notes as follows:
-
When the pitch is too sharp, the display turns red and
the line will be on the plus side of the screen.
-
When the pitch is in-tune, the display will turn green and
the line will be in the middle of the screen.
-
When the pitch is too flat, the display turns orange and
the line will be on the minus side of the screen.
4. Folding the head of the tuner down switches it off.
Care and maintenance
•
The tuner should be cleaned by wiping it with a dry cloth.
•
Do not expose the tuner to high or low temperatures,
shocks, rain or moisture.
•
Do not expose the tuner to direct sunlight for prolonged
periods.
•
Never attempt to dismantle or modify the tuner in any way.
•
Remove the battery if the tuner is not to be used for
a long time.
Disposal
This product should be disposed of in accordance with local
regulations. If you are unsure how to proceed, contact your
local council.
Specifications
Tuning
Chromatic
Tuning range
A0 (27.5 Hz) – C8 (4186 Hz)
Accuracy
±1 %
440 Hz
Fixed A4 frequency
Battery
1 × CR2032 (sold separately)
Size
53 × 35 × 27 mm
Weight
21 g