Manual

Distribution Amplifier (DA)—User Manual
63
D-2.5 ACK Type E
ACK Byte + LB + EXTI + VIDI + AUDI + PLUG +.....+ CRC Byte
Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
AB
ACC 0 0 Device ID (0 - 31)
LB
Length for the total data bytes (EXINF +.....+ DTMAX)
EXINF
LBMAX
0 0 0 0 0 FWVER
VEINF
EDID 0 0 0 0 0 0 0
AEINF
DTUF DELAY 0 0 SW TRE BASS VOL
PLUG
0 0 0 0 AOPD VOPD AIPD VIPD
DTMAX
Delay Time Maximum (unit: 100 ms)
CB
CRC
AB & CB: These are the same as the ACK Type A.
LB: LB value is the total length of the data bytes, not include the AB, LB and CB.
EXINF: Device extended information
LBMAX - defines the maximum LB value of the variable length command
0 - The maximum LB is 64 Bytes (default)
1 - The maximum LB is 128 Bytes
2 - The maximum LB is 254 Bytes (255 is reserved)
3 - Reserved
The LB value of the Ack packet is not limited by LBMAX.
If the extended information does not exist, the default maximum length is 128.
FWVER - Firmware version command flag. (Request 0x31)
1 - Support Firmware version command.
0 - Not support Firmware version command.
VEINF: Video Extend Information
EDID - Input EDID type select command flag. (Request 0x20 and 0x21)
1 - Support Input EDID type select command.
0 - Not support Input EDID type select command.
AEINF: Audio Extend Information
VOL - Volume and Mute command flag. (Request from 0x10 to 0x13)
1 - Support Volume and Mute command.
0 - Not support Volume command.
BASS - Bass command flag. (Request 0x14 and 0x15)
1 - Support Bass command.
0 - Not support Bass command.