RS232 Protocol

Section 2: Feedback String Format

Standard Response String Format

String 1 – Display Icon Data

Start Count Device ID Type

Data Checksum

0xFE 0x12 0x21 0x20

Flag1

Flag2

Flag3

Flag4

Flag5 0xXX

String 2 – Character Display Data

Start Count Device ID Type

Data1 – Data13 (14 Bytes) Checksum

0xFE 0x0F 0xC0 0x20

ASCII Characters 0xXX

The flag data in String 1 can be parsed to obtain information about which icons are

illuminated on the front panel display.

Flag1 – Flag5 Data

Flag1 Flag2 Flag3 Flag4 Flag5

Bit0 Standby LED 5.1CH OSD

Bit1 DSP Mode Preset

Bit2 Dolby 3 St 4 Memory

Bit3 Pro Logic 3 Auto Tuner Disp

Bit4 Dolby Digital

2 Tuned

Bit5 dts 1 Stereo

Bit6 Coaxial

Bit7 Dynamic Optical

The ASCII data in String 2 represents the 13 line front panel display and will contain the

source and record source name information as shown on the front panel.