Yamaha AvantGard N2 Onderhoudshandboek - Pagina 8
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N3, N2, N1, NU1
Key sensor measurement (keyboard measurement or key sensor calibration) (N3, N2, N1, NU1)
[Setup]
1) Check that the cables and power cords are connected
2) Turn off the power
3) Wear headphones
4) Startup the maintenance mode
While in this state, check on the headphones that sound is emitted in "C chord" for 2 seconds each time showing the
maintenance mode has started.
* In the NU1, no alarm tone is generated but "AG1" is displayed on the LED screen.
5) Let stand idle for 30 seconds to 1 minute (aging for sensor calibration)
[Key sensor measurement]
6) Measure the "rest value" and "end value" on all keys from 1key to 88key in the following measurement sequence.
Measure the "rest value"
[Key sensor measurement start-up method]
Key sensor measurement consists of 2 types. One type is "All key measurement" that rewrites all key measurement values; and the other
type "1 key measurement" that rewrites measurement values only for a specifi c key.
All key
measurement mode
1 key
measurement mode
Key sensor measurement mode operating procedures
[All key measurement mode]
Content
1 Refer to start-up methods Start measurement mode
Do not touch anything
2
(sensor aging)
3 Start measurement
Measure the "rest value"
4
5 Load data into RAM
Measure the "end value"
6
Load data into RAM
7
Save data and write into
8
Flash memory
9 End measurement
* The operating guide tones in the NU1 are generated electronically, and an operating guide appears on the panel LED screen.
* If measurement fails, then the 78[D4] and 76[C4] keys are trilled and the tone for the applicable error key is generated (*NU1: key
no. displayed).
8
N3, N2, N1
10[F#0]+12[G#0]+14[A#0]+[POWER ON](release key after about 7 seconds)
NU1
[DEMO/SONG]+[+]+[PLAY/STOP]+[POWER ON]
N3, N2, N1
9[F0]+11[G0]+[POWER ON] (release key after about 7 seconds)
NU1
[DEMO/SONG]+[PIANO/VOICE]+[PLAY/STOP]+ [POWER ON]
Task Description
(N3,N2,N1)
Let stand 30 seconds to
1 minute
Depress damper pedal 1 time
Set in state where all keys are
not up and are depressed
Depress damper pedal 1 time
Play keys 1 – 88 to the end
value
Depress damper pedal 1 time
Depress soft pedal 1 time
Power OFF
Measure the "end value"
Operating guide tones
(N3,N2,N1)
Chord; 1 time/2 seconds
Start measurement mode
Let stand 1 minute to
2 minutes
Chord: Change to 2 taps
Not necessary (Auto)
Chord: 2 taps
Set in state where all keys are
not up and are depressed
Chord: Change to 3 taps
Push the [PLAY/STOP] button Change to display "En"
Chord: 3 taps
Play keys 1 – 88 to the end
value
Chord: Change to 1 time/
Push the [PLAY/STOP] button Change to display
2 seconds
76[C] tone, sounds at
Push the [PLAY/STOP] button Displays "PAS"
consecutive taps
Power OFF
Task Description
Screen display
(NU1)
Displays "AG1"
Displays "AG1"
Change to display "rSt"
Displays "rSt"
Displays "En"
"n_y"
(NU1)