Seiko Group Stereo Receiver STX1 User Guide

Tuning guide/ reference pitch LED display  
CHROMATIC TUNER STX1  
INSTRUCTION MANUAL  
In the auto and manual modes, the difference in pitch between the note  
indicated on the display and the note given by the instrument is indicated by  
the LED that lights up. (See the numeral on the right of the LED that lights up.)  
The LED display also indicates the reference pitch you have set. (See the  
numeral on the left of the LED that lights up.)  
NAME AND OPERATION OF PARTS  
Before use, pull out the insulating sheet from  
Built-in microphone  
the battery compartment, as shown in the  
illustration below. If the sheet is torn off and left  
inside the compartment, open the battery hatch  
by referring to “BATTERY CHANGE” below,  
and remove the remainder of the sheet  
completely. Otherwise, the tuner will not be  
turned on.  
Use it to input a note directly from the instrument in the “MIC” input method.  
When the “CLIP” input method is selected, the built-in microphone is disabled.  
Vibration sensor/built-in speaker  
In the “CLIP” input method, it senses the vibration generated by the instrument.  
When the “MIC” input method is selected, the vibration sensor/built-in speaker  
is disabled. In sound mode, the reference note you have set is produced from  
the built-in speaker.  
Note: The battery included with the tuner is a monitor  
battery, and the battery life may be shorter than  
the specified period.  
Clip  
Attach the tuner to the instrument using it to sense the vibration it generates.  
HOW TO TUNE THE INSTRUMENT  
Auto/manual mode  
Play a note with the instrument, and tune it according to the note indication  
and the tuning guide  
1. Press the power button  
When the “CLIP” input method is selected, attach the tuner to the instrument  
using the clip  
2. Select the tuning mode. Press the mode button  
to the auto ( ) or manual ( ).  
.
- - - - -  
to select the “CLIP” or “MIC” input method.  
.
to set the tuning mode  
3. When the manual mode is selected, press the note button  
you wish to tune.  
to set the note  
4. To change the reference pitch, press the pitch button  
to set the desired pitch.  
5. Play the instrument to give a note. When the “MIC” input method is  
Power button  
selected, bring the instrument close to the built-in microphone  
6. Tune the instrument until the LED at the center of the tuning guide  
.
With each press, the tuner stands by for “CLIP” and “MIC” input, and is turned  
off in order.  
lights  
up in green. In the auto mode, also check the input note with the note  
indication  
CLIP input method:  
The vibration sensor  
.
senses the vibrations generated when the instrument  
gives out a note, and tuning is made using them. This input method is  
convenient for the tuning in noisy environments or in a situation where  
other instruments are played nearby.  
MIC input method:  
Tuning is made using the note of the instrument input through the built-in  
microphone  
.
Mode button  
[Flat]  
Sound mode  
The tuner gives out the note you wish to tune, and tune the instrument on the  
basis of the reference note the tuner produces.  
[In tune]  
[Sharp]  
Use the button to select the tuning mode from auto (  
sound ( ).  
), manual (  
) and  
Auto mode  
:
By playing a note, the tuner automatically identifies and  
indicates the note having the pitch closest to it. It also  
indicates that the pitch of the input note is lower or higher  
than that of the indicated note.  
1. Press the power button  
to select the “CLIP” or “MIC” input method.  
(The sound mode is available irrespective of the input method selected.)  
2. Select the tuning mode.  
Manual mode  
Sound mode  
:
:
Set the note you wish to tune, and then, play a note. The  
tuner indicates that the pitch of the input note is lower or  
higher than that of the note you have set.  
Press the mode button  
3. Press the note button  
to set the tuning mode to the sound (  
to set the note you wish to tune.  
).  
The tuner gives out the note you have set. Tune the  
instrument on the basis of the reference note the tuner  
produces.  
4. To change the reference pitch, press the pitch button  
to set the desired pitch.  
5. Tune the instrument on the basis of the reference note the tuner produces.  
Precautions on tuning  
Pitch button  
1. The tuner may pick up noise from the surrounding environment or the  
hum noise generated by electric appliances, and shows indications as if  
a note is played. This is not a malfunction, and the tuner operates  
properly when a note is played.  
2. When the “MIC” input method is used, it is recommended that the tuning  
procedure be performed in a quiet environment for accurate tuning.  
Also, bring the instrument close to the tuner to register a note.  
3. If you find it difficult to tune the instrument with the “CLIP” input method,  
re-attach the tuner in such a position to the instrument that the vibrations  
are transmitted to the tuner more clearly.  
Use the button to set the reference pitch (frequency of A4).  
By pressing the button, an LED of reference pitch LED display  
a certain period of time to show the current pitch setting. With each press of  
the button while the LED is flashing, the reference pitch increases by 1 Hz. It  
increases continuously if the button is kept pressed.  
flashes for  
* If the tuner is left untouched with an LED flashing, the reference pitch indicated by the LED  
is automatically registered in a certain period of time.  
Settable range:  
415 Hz 438 Hz 439 Hz • • • • • 444 Hz 445 Hz  
AUTO POWER-OFF FUNCTION  
(at 1 Hz steps from 438 to 445 Hz)  
The tuner is equipped with an auto power-off function as described below to save  
the battery energy.  
Note button  
Use the button to set the note you wish to tune.  
With each press, the note changes over at one-semitone step. It changes  
continuously by keeping the button pressed.  
* In the auto mode, the note button is disabled as the tuner automatically identifies and  
indicates the input note.  
Auto/manual mode  
1. If none of the buttons  
built-in microphone  
,
and  
is pressed, if no note is input in the  
senses no vibrations  
or if the vibration sensor  
for approximately 10 seconds while the power is turned on, the liquid  
crystal display becomes slightly dim. (Power save mode, Phase 1)  
Settable range:  
2. If the tuner is left untouched further for approximately five more minutes  
without sensing a note or vibrations, the liquid crystal display becomes  
Manual mode  
Sound mode  
:
:
C ~ B (12 notes)  
C4 ~ B4 (12 notes)  
black, and the green LED at the center of the tuning guide  
flashing. (Power save mode, Phase 2)  
starts  
Liquid crystal display  
Note indication  
Auto mode  
3. If the tuner is left untouched further for approximately 15 more minutes  
without sensing a note or vibrations, the tuner is turned off automatically.  
(Auto power-off function)  
: By playing a note, the tuner automatically identifies  
and indicates the note having the pitch closest to  
it. (The difference in octave is not indicated.)  
Manual/sound mode: The note you have set is indicated. (The octave  
cannot be set.)  
Input method indication  
Sound mode  
1. If none of the buttons  
,
and  
is pressed for approximately 10  
The input method you have selected is indicated.  
seconds while the power is turned on, the liquid crystal display becomes  
slightly dim.  
Mode indication  
2. If the tuner is left untouched for approximately 5 more minutes, the tuner  
is turned off automatically. (Auto power-off function)  
: Auto mode  
: Manual mode  
: Sound mode  
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