Ashdown Dr. Green Tune Up User manual

1.To avoid short circuit electric shock or malfunction ：
D
o not disassemble for repair.
D
o not place in high temperature and humid space such as electric
heater
,direct sunlight,bathroom,wet floor etc.
D
o not place in excessive vibration.
D
o not place in dusty or dirty space.
D
o not operate the tuner with wet hands.
2
.To avoid breakdown
D
o not handle all controls with excessive power.
D
o not drop the tuner.

3.Cleaning
D
o not use thinner or alcohol for cleaning.
Us
e only dry and clean cloth.
4
.To prevent battery loss
Remove the battery when the tuner is not in use for a long time.
T
urn the power button off when the tuner is not in use.

5.Power supply
Us
e only 9V ：6F22/DC adapter
1) FOOT switch
Pressing this switch will turn the tuner on/off.
2) INPUT jack
Connect the output cord of the instrument to the input jack of tuner.When a
battery is uesd ,the input jack also functions as a power switch.When a plug i
s
inserted into the input jack,the power will be turned on .When the plug is
pulled out ,the power will be turned off.When you are not using the tuner,pull
the plug out of the input jack.
3) DC 9V in jack
If a DV adapter is used,you will be able to play for extended periods without
worrying about battery life.
4) OUTPUT jack
Connect your Amp or another effect unit to this jack.
When the tuner is off,this will output the signal of the instrument connected to
the input jack.
When the tuner is on,no sound will be ouput from this jack so use this jack if
you wish to tune silently.
Note accuracy
indication
Note display
①
②
③
④
5
6
7
TUNE UP USER GUIDE

PROCEDURE
SPECIFICATIONS
Tuning Range ：A0(27.5Hz)-C8(4,186Hz )
Accuracy ：+/- 1cent
Calibration ：436-445Hz (1 Hz step)
Flat ：b,bb,bbb
Not e ：A,A#,B,C,C#,D,D#,E,F ,F#,G,G#
Indicator ：39seg FND &1LED
Input ：1/4 ” Input jack
Output ：1/4 ” Output jack,
Power ：9V（6F22 ，DC adapter ）
Dimensions ：73（W）*110（D）*47（H）mm
Weight ：300g（including battery ）
5) PITC H button
This button lets yo u change the reference frequenc y.7-segment indicatio n of
0~5 means 440~445Hz,and indicatio n of 6~9 means 436~439Hz .
6) FLAT button
This button lets yo u us e flat tunings.
7) TRUE BYPAS S
1. Connect output of the instrument to the INPUT jac k of tuner ,the power
will be turned on.
2. Press the Foot Switch to turn the tuner on .
3. Pres s the PITC H button to select the reference frequenc y yo u want to
use.
4. Pres s the FLAT button to select the reference flat you want to use.
5. Adjust the instrument unti l the tuning not e yo u wisd to tune is indicated
on FND Tuning Note.
6. Adjust the instrument slowly unti l to approach the FND Tuning Guid e to
the cente r position.
7. When the cente r of FND Tuning Guid e light s up,this point is exact
sound of the instrument .
b
=b =bb =bb