Adjusting the volume using a USB keyboard
Setting Master Output Volume
The master volume of audio playback can be changed by temporarily plugging in a standard USB keyboard, and using the top two rows of keys (1 through 0, and Q through P).
The row of keys 1 through 0 controls the Channel 1 (Left) master volume, while the row of keys Q through P controls the Channel 2 (Right) master volume.
Pressing the same key multiple times successively will toggle the volume between the 1st press and 2nd press levels. The table below describes the available volume levels.
| Key for Channel 1 | Key for Channel 2 | Volume % (1st press) | Volume % (2nd press) |
|---|
| 1 | q | 10 | 5 |
| 2 | w | 20 | 15 |
| 3 | e | 30 | 25 |
| 4 | r | 40 | 35 |
| 5 | t | 50 | 45 |
| 6 | y | 60 | 55 |
| 7 | u | 70 | 65 |
| 8 | i | 80 | 75 |
| 9 | o | 90 | 85 |
| 0 | p | 100 | 95 |
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