Roland R-09 Service Notes page 20

Apr. 2006
When the correct connection is made, a screen like the one shown below
appears.
fig.test09-3_90
Connect the digital output connector (OPTICAL) to a device that has a digital
input and check the microphone input audio.
After finishing verification, use the [
At this time, input gain adjustment (the INPUT LEVEL button) and output
volume-level adjustment (the VOLUME button) do not function. If the volume
level of the sound heard from the connected device is too low, make sure the
MIC GAIN switch on the back of the unit is set to HIGH.
10. Analog (Internal Mic) Test
This performs testing of the internal microphone.
When something is connected to the external microphone input jack (MIC) or
the line input jack (LINE IN), use of the internal microphones becomes
impossible and a screen like the one shown below is displayed.
fig.test10-1_90
Disconnect the device connected to the external microphone input jack (MIC)
or line input jack (LINE IN).
When use of the internal microphones becomes possible, a screen like the one
shown below is displayed.
fig.test10-2_90
Input audio toward the left and right internal microphones and make sure
sound is heard from both the left channel and the right channel of the digital
output connector (OPTICAL). After finishing verification, use the [
button to advance to the next item.
20
] button to advance to the next item.
]
11. Noise Test
This performs testing for residual noise.
Entering this item displays a screen like the one shown below.
fig.test11-1_90
Use headphones to carry out checking to determine whether audible noise is
heard from the headphones jack.
After finishing verification, use the [
12. Factory Reset
This returns the settings to their factory defaults.
Entering this item displays a screen like the one shown below.
fig.test12-1_90
Pressing the [REC] button starts processing.
fig.test12-2_90
When processing finishes, operation automatically advances to the next item.
If an SD card is inserted, a screen like the one shown below appears.
fig.test13-1_90
R-09
] button to advance to the next item.