Vision AV-1900, Product Manual, Page: 3 / 30

4 5
7 Outputs
2-Phono / RCA line-level output
Post-mix -adjustments on front
panel affect this output
Phoenix Bare-wire RS-232
Control
Note: if amp not responding to
commands try swapping Tx and
Rx wires
Phoenix Bare-wire
Loudspeaker Output
Power
8 RS-232 codes
Baud rate: 9600K, Stop Bit: 1, Delivery interval >80ms, No check digit. ASCII Command format: 97 45 45<CR><LF>
ASCII Code Function Remarks Return codes
97 45 45 ON Turn on/ bring out of standby
Working 97 20 20 01
INPUT1 Volume XX=00-14 97 31 31 XX
INPUT2 Volume XX=00-14 97 32 32 XX
INPUT3 Volume XX=00-14 97 33 33 XX
INPUT4 Volume XX=00-14 97 34 34 XX
Master Volume XX=00-14 97 23 23 XX
Master Bass XX=00-0E 97 24 24 XX
Master Treble XX=00-0E 97 25 25 XX
97 46 46 OFF Turn off Standby 97 20 20 00
97 47 47 MUTE Mute on/off Mute Off = 0 / Mute = 1 97 21 21 0X
97 43 43 INPUT1
INPUT1 Volume XX=00-14 97 31 31 XX
97 1B 1B INPUT1- INPUT1 volume -
97 1D 1D INPUT2
INPUT2 Volume XX=00-14 97 32 32 XX
97 4E 4E INPUT2- INPUT2 volume -
97 18 18 INPUT3
INPUT3 Volume XX=00-14 97 33 33 XX
97 1C 1C INPUT3- INPUT3 volume -
97 11 11 INPUT4
INPUT4 Volume XX=00-14 97 34 34 XX
97 10 10 INPUT4- INPUT4 volume -
97 1A 1A BT_RESET BT Disconnect / 97 26 26 00
97 15 15 Increase treble gain by +1DB
Treble Gain XX=00-0E 97 25 25 XX
97 17 17 TREBLE- Decrease treble gain by -1DB
97 19 19 BASS+ Increase bass gain by +1DB
Master Bass XX=00-0E 97 24 24 XX
97 16 16 BASS- Decrease bass gain by-1DB
97 4A 4A RESET Reset all
97 23 23 0A
97 25 25 07
97 24 24 07
97 31 31 0A
97 32 32 0A
97 33 33 0A
97 34 34 0A
ASCII Code Function Remarks Return codes
97 4B 4B MAXVOL Max Volume
97 23 23 0A
97 25 25 07
97 24 24 07
97 31 31 0A
97 32 32 0A
97 33 33 0A
97 34 34 0A
97 40 40 VOL+ / out of mute
Master Volume XX=00-14 97 23 23 XX
97 44 44 VOL- Volume -/out of mute
97 12 12 AUTOSTANDBY ON AUTO STANDBY ON 97 28 28 01
97 13 13 AUTOSTANDBY OFF AUTO STANDBY OFF 97 28 28 00
Direct Address Volume Codes
ASCII Code Function Remarks Return codes
97 AX AX X =0-F Set master volume to 0-15
xx =01-14 97 23 23 xx
97 BX BX X =0-4 Set master volume to 16-20
97 CX CX X =0-E Set Bass volume to 0-14 xx =01 -0E 97 24 24 xx
97 DX DX X =0-E Set Treble volume to 0-14 xx =01 -0E 97 25 25 xx
97 EX EX X =0-F Set INPUT1 volume to 0-15
xx =01-14 97 31 31 xx
97 FX FX X =0-4 Set INPUT1 volume to 16-20
97 5X 5X X =0-F Set INPUT2 volume to 0-15
xx =01-14 97 32 32 xx
97 0X 0X X =0-4 Set INPUT2 volume to 16-20
97 6X 6X X =0-F Set INPUT3 volume to 0-15
xx =01-14 97 33 33 xx
97 7X 7X X =0-4 Set INPUT3 volume to 16-20
97 8X 8X X =0-F Set INPUT4 volume to 0-15
xx =01-14 97 34 34 xx
97 9X 9X X =0-4 Set INPUT4 volume to 16-20
Return Codes
• Response from Unit = 97 ** ** 0X/XX 0A
• All responses end in \x0A or LineFeed
• Sample commands and responses
»
Power Query – Command - \x97\x20\x20
»
Power Query – Response – STANDBY 97 20 20 01\x0A = On/No Faults
»
Power Query – Response – STANDBY 97 20 20 00\x0A = Off/Standby
ASCII Code Name Function Remarks Return codes
97 20 20 STANDBY Speaker working Status
Speaker OFF/Standby
Speaker ON/Working
97 20 20 00
97 20 20 01
97 21 21 MUTE Mute On/Off
Mute Off = 0
Mute = 1
97 21 21 00
97 21 21 01
97 23 23 Master_GAIN_GET Volume Gain 20 steps total XX=00-14 HEX code 97 23 23 XX
97 24 24
Master_B_GAIN_
GET
Bass Gain 14 steps total, XX=00-0E HEX code 97 24 24 XX
97 25 25
Master_T_GAIN_
GET
Treble Gain 14 steps total XX=00-0E HEX code 97 25 25 XX
97 26 26 BT_BIT Bluetooth status
BT unpaired = 0
BT paired, Pause= 1
BT paired, Play = 2
97 26 26 00
97 26 26 01
97 26 26 02
97 27 27 BT Device Bluetooth name Length=0# Name= xxx HEX code 97 27 27 0# xxx
97 28 28 AUTO_STANDBY Auto standby Status
Auto standby OFF = 0
Auto standby ON = 1
97 28 28 00
97 28 28 01