RS232 Protocol
5 
RSP-1572 HEX  Command Description 
FE 03 A5 11 8B 44  Scan Back – Key Released 
FE 03 A5 10 8F 47  Shuffle 
FE 03 A5 10 8C 44  Repeat 
OTHER COMMANDS 
FE 03 A5 10 17 CF  Record Function Select 
FE 03 A5 10 16 CE  Dynamic Range 
FE 03 A5 10 1F D7  Digital Input Select 
FE 03 A5 10 23 DB  Zone 2 / Main 
FE 03 A5 10 4C 04  Temporary Center Trim 
FE 03 A5 10 4D 05  Temporary Subwoofer Trim 
FE 03 A5 10 4E 06  Temporary Surround Trim 
FE 03 A5 10 4F 07  Cinema EQ Toggle 
FE 03 A5 10 52 0A  Front Display On/Off 
FE 03 A5 10 FF B7  Display Refresh 
FE 03 A5 10 6E 26  Party Mode Toggle 
FE 03 A5 10 75 2D  Output Resolution 
FE 03 A5 10 78 30  HDMI Amp Mode 
FE 03 A5 10 79 31  HDMI TV Mode 
FE 03 A5 10 67 1F  Temporary Room EQ Toggle 
FE 03 A5 10 91 49  Display 
FE 03 A5 10 A1 59  Speaker Level Setting Toggle 
FE 03 A5 10 93 4B  Force Factory Default 
Table 2 - Type 14 Main Zone Commands 
NOTE: These commands are duplicate functions of the primary commands in the table above 
bearing the same name, but are discrete for the main zone only. For multi-zone installation 
applications, it is recommended that the below commands be used where applicable rather than 
the type 10 commands to avoid zone conflicts. 
RSP-1572 HEX  Command Description 
MAIN ZONE POWER & VOLUME COMMANDS 
FE 03 A5 14 0A C6  Main Zone Power Toggle 
FE 03 A5 15 4A 06  Main Zone Power Off 
FE 03 A5 15 4B 07  Main Zone Power On 
FE 03 A5 14 00 BC  Main Zone Volume Up 
FE 03 A5 14 01 BD  Main Zone Volume Down 
FE 03 A5 14 1E DA  Main Zone Mute Toggle 
FE 03 A5 14 6C 28  Main Zone Mute On 
FE 03 A5 14 6D 29  Main Zone Mute Off 
FE 03 A5 14 71 2D  Power Off All Zones 
MAIN ZONE SOURCE SELECTION COMMANDS 
FE 03 A5 14 02 BE  Main Zone Source CD 
FE 03 A5 14 03 BF  Main Zone Source Tuner 










