Yamaha disklavier DS4M4 PRO 유지 관리 핸드북 - 페이지 24

{카테고리_이름} Yamaha disklavier DS4M4 PRO에 대한 유지 관리 핸드북을 온라인으로 검색하거나 PDF를 다운로드하세요. Yamaha disklavier DS4M4 PRO 36 페이지.

6, Regular field servicing

6 - 4. Calibration by using key board switch

1) The purpose of the function

In order to execute calibration procedure even if the PRC100 control unit is not together with Disklavier.

2) Possible procedures

a) Key sensor / hammer sensor calibration

b) Key board calibration (Full) (15 minutes)

c) Pedal calibration ( incl.Pedal half point auto adjustment )

d) Pedal half point manual adjustment -- When it is necessary.

3) Restrictions

a) No display is available.

The results of each calibration will be informed by the type of harmony --> 7)

b) No stop button is available. --> 8)

c) Key board full calibration takes 15 minutes.

4) Operational procedure

a) Turn to the Stand-by mode. ( Refer to 5-11.)

b) The light of standby button on the media center at the bottom of keybed dims.

c) Select a key switch pattern --> 5)

d) Hold the keys and turn the standby button of the Media Center on.

e) Release the keys after 6-7 seconds after the clicking sound comes.

f) The selected calibration will be executed in 10 seconds.

g) Harmony tells you the result.

h) Back to all active mode.

5) Key switching combinations

Depress and hold both C#(77key) + D#(79key) keys and press the following additionally .

F# (82key) Key sensor / hammer sensor calibration

G# (84key) Pedal calibration

A# (86key) Key board calibration

C (88key) Pedal half point manual adjustment

You can combine all the calibration procedures except half point adjustment.

(ex.) C# + D# + F# + G# + A# -->¨ All calibration executes in sequence.

6) Pedal half point manual adjustment -- 1.5 sec. damping adj.

Adjust pedal mute timing to approx. 1.5 seconds after coming harmony by using 1second interval

sound.

Press [shift pedal] to save data

Press [3key] for lower damping

Press [1key] for quicker damping

7) Harmony display

C major, C, E, G --> Complete calibration

C minor, C, D#, G --> Error occurred

8) Forced termination

Press Stand-by button on the Media Center and back to the Stand-by mode before data writing.

NOTE ! : Calibrated data will be all deleted when you push the button during writing data.

MHB23 MKIV/PRO DIOV1.05, SCV.1.01 PAGE.22