Yamaha GA 011589 Musical Instrument Amplifier User Manual


 
AG-Stomp
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(11)Push in the EXP. PEDAL. !4
• All LED segments light up and go out, and then the
checking proceeds to MIDI check.
• If VR, SW or EXP PEDAL is not set at its center
position, checking will result in an error and E. 0 will
appear at the left end of LED.
In such case, set it to the center position and press
UTILITY SW for resetting.
• To advance the VR No. to be checked, press MANUAL
SW.
3: MIDI Check
(1) Using the UP and DOWN switches, select “3”.
(This step can be skipped if “3” is already selected.)
(2) Press the STORE switch.
• If the check result is OK, all LED segments light up
and go out. The checking function will proceed to the
next step.
• In case of an error, “E” appears at the left end of
the LED. “0” at the right end indicates transmission
and “1” indicates reception.
4: SRAM Check
(1) Using the UP and DOWN switches, select “4”.
(This step can be skipped if “4” is already selected.)
(2) Press the STORE switch.
• If the check result is OK, all LED segments light up
and go out. The checking function will proceed to the
next step.
• In case of an error, “E” appears at the left end of the LED.
“0” at the right end indicates IC2 and “1” indicates IC3.
5. FLASH ROM Check
(1) Using the UP and DOWN switches, select “5”.
(This step can be skipped if “5” is already selected.)
(2) Press the STORE switch.
• If the check result is OK, all LED segments light up
and go out. The checking function will proceed to the
next step.
• In case of an error, “E” appears at the left end of
the LED. “0” at the right end indicates “1 sector
erase”, “1” indicates “Erase check” and “2” indicates
“Write check”.
6: DSP Electric Characteristic
(1) Using the UP and DOWN switches, select “6”.
(This step can be skipped if “6” is already selected.)
(2) Press the STORE switch.
• An input signal will be output when the STORE
switch is pressed. “0” appears at the right end of
the LED. (Table.1)
• The sine waveform can be checked in all of the analog
circuit, AD, DSP-6 and D/A where the signal has
passed.
• Initial setting: OUTPUT VR ••• MAX