33
DGX-620/YPG-625
ON
STANDBY
F2
C2#
G2#
DGX-620/YPG-625
■
TEST PROGRAM
A.
PREPARATION
1) PA-5D or PA-51 (AC adaptor) is used.
2) Measuring instruments: frequency counter, level meter (with JIS-C filter)
Note: Connect a stereo plug to the [PHONES/OUTPUT] jack at 33 ohms.
3) Jigs: Foot switch (FC-4 or FC-5), USB cable, USB memory, USB-MIDI driver (*1)
PC (Install a USB-MIDI driver (*1) in PC and finish the THROUGH setup.)
*1 Obtain the USB-MIDI driver from CD-ROM (X7225A00) for DGX-620/YPG-625 or Yamaha official website.
(URL>>http://www.yamahapkclub.com)
B.
HOW TO ENTER THE TEST PROGRAM
While pressing the C2#, F2 and G2# keys, turn the [STANDBY/ON] switch on.
*
If you execute the test No.47 (Factory Set), then the user’s preset data may be lost.
Therefore, back up the user’s data in advance.
C.
TEST PROCEDURE
1) When the test program is started, “TEST” will be displayed on the LCD.
2) Press the [-] or [+] button of the number buttons to select a test program item.
3) Press the [START/STOP] button to execute the test.
*
If the test result is OK, or the test item is completed, press the [START/STOP] button again to return to
the test item selection display.
*
Press the [-] or [+] button of the number buttons to select the next test program item.
*
When the test result is OK, an asterisk (*) is added in front of its item name on display.
If the test result is NG, press the [DEMO] button or the lowest (leftmost) white key to returm the item
selection display.
D.
TEST PROGRAM LIST
--
1
Contrast Check
Set the contrast knob to the legible position of LCD. When the contrast knob is turned clockwise
(or counterclockwise), the LCD becomes blue (or white).
Displays ROM (Program) version.
(In case of OK:“XXX” Prog, NG:“Err” Prog)
Test Descriptions, Judgment Criteria
LCD Display
TEST No.
--
001 Version
(dBu=dBm)
