11
Jul. 2019 E-X30
Audio
When entered, the LCD will show the following image:
fig.test-audio.eps
* When connecting headphones, Phone is displayed.
* Note that sound is produced at high volume. It is recommended to
connect to the monitor speaker and adjust the volume.
* Pressing a key other than C4–C#5 will stop the sound.
Keys and the corresponding audio signals to be tested:
Testing procedures:
1. Disconnect the headphones.
Pass: the LCD shows “Speaker”
2. Press the corresponding keys to hear the audio sound (from speakers).
Pass: sound comes from speakers. No sound from headphones.
3. Connect the headphones.
Pass: the LCD shows “Phones”
4. Press the corresponding keys to hear the audio sound (from
headphones).
Pass: sound comes from headphones. No sound from speakers.
Turning Off
In this procedures, it requires to press the Power button to turn off the
instrument so as to check the functionality of this button.
Pass: it turn off the power.
Fail: it cannot turn off the power.
Other description
Aux Out and Mic: in normal mode, check the sound to see if they work
properly.
No. Key name Audio test signal LCD display
1 C4 Left pan
AUDIO CHECK PAN-
LEFT
2 C#4 Right pan
AUDIO CHECK PAN-
RIGHT
3 D4
Max. undistorted signal
(L: 440 Hz sine wave, R:
1 kHz)
AUDIO CHECK LOSS-
LESS
4 D#4 1 kHz sine wave
AUDIO CHECK SINE-
WAVE-1KHz
5 E4
Tone test signal
(Church Organ)
AUIDO CHECK
CHURCH-ORGAN
6 F4
Sweep frequency signal
1 (range: 20 Hz–320 Hz)
AUDIO CHECK
SWEEP-FREQUENCE-
1
7 F#4
Sweep frequency signal
2 (range: 320 Hz–4800
Hz)
AUDIO CHECK
SWEEP-FREQUENCE-
2
8 G4 White noise
AUDIO CHECK
WHITE-NOISE
9 G#4 100 Hz sine wave
AUDIO CHECK SINE-
WAVE-100Hz
10 A4 300 Hz sine wave
AUDIO CHECK SINE-
WAVE-300Hz
11 A#4 400 Hz sine wave
AUDIO CHECK SINE-
WAVE-400Hz
12 B4 10 kHz sine wave
AUDIO CHECK SINE-
WAVE-10KHz
13 C5 AP test signal (IMD)
AUDIO CHECK AP-
IMD
14 C#5
AP test signal (Multi-
tone)
AUDIO CHECK AP-
MULTITONE
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