Help with increasing AVR volume increment

Setup, Configuration and Use Scripts & Rules
11

It doesn’t show my logInfo messages. Just the activity from the Onkyo:

12:07:13.078 [INFO ] [openhab.event.ItemStateChangedEvent  ] - Item 'Onkyo_TXNR6050_Volume' changed from 94 to 95
12:07:14.070 [INFO ] [openhab.event.ItemStateChangedEvent  ] - Item 'Onkyo_TXNR6050_Volume' changed from 95 to 96
12:07:15.702 [INFO ] [openhab.event.ItemStateChangedEvent  ] - Item 'Onkyo_TXNR6050_Volume' changed from 96 to 95
12:07:16.138 [INFO ] [openhab.event.ItemStateChangedEvent  ] - Item 'Onkyo_TXNR6050_Volume' changed from 95 to 94
12:07:17.238 [INFO ] [openhab.event.ItemStateChangedEvent  ] - Item 'Onkyo_TXNR6050_Volume' changed from 94 to 93
12:07:17.516 [INFO ] [openhab.event.ItemStateChangedEvent  ] - Item 'Onkyo_TXNR6050_Volume' changed from 93 to 92
12:07:18.544 [INFO ] [openhab.event.ItemStateChangedEvent  ] - Item 'Onkyo_TXNR6050_Volume' changed from 92 to 91
12:07:18.822 [INFO ] [openhab.event.ItemStateChangedEvent  ] - Item 'Onkyo_TXNR6050_Volume' changed from 91 to 90
12:07:26.445 [INFO ] [openhab.event.ItemStateChangedEvent  ] - Item 'Onkyo_TXNR6050_Volume' changed from 90 to 91
12:07:27.690 [INFO ] [openhab.event.ItemStateChangedEvent  ] - Item 'Onkyo_TXNR6050_Volume' changed from 91 to 92
12:07:29.493 [INFO ] [openhab.event.ItemStateChangedEvent  ] - Item 'Onkyo_TXNR6050_Volume' changed from 92 to 91
12:07:30.073 [INFO ] [openhab.event.ItemStateChangedEvent  ] - Item 'Onkyo_TXNR6050_Volume' changed from 91 to 90