![](/images/new-backgrounds/1251905/25190587x1.webp)
1Preparations
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Ack
Header | Command |
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| Data length | Ack/Nak |
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| Checksum |
0xAA | 0xFF | 3 | ‘A’ |
| 0x14 | "Input | |||
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| Source" |
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"Input Source": An input source code to be set on a TV/monitor |
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Nak |
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Header | Command | ID | Data length | Ack/Nak |
| Val1 | Checksum | ||
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0xAA | 0xFF | 3 | ‘N’ |
| 0x14 | "ERR" | |||
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"ERR": A code showing what error has occurred
1 Preparations 44