JBL Synthesis SDP-45 4K - Manual (Page 13)

AFMT Query Input Format (Program Format)
QS Query, returns prog format
as 8 digit hex bit-flags:
BIT0 Left
BIT1 Right
BIT2 Center
BIT8 single surround
BIT9 dual surround
BIT10 single back
BIT11 dual back
BIT12 Low Freq Effects
BIT13 DualSub(not supp)
BIT16 Not Stereo Surr Enc
BIT17 Yes Stereo Surr Enc
BIT18 Not Back Surr Enc
BIT19 Yes Back Surr Enc
BIT20 Mono
BIT21 Dual Mono
BIT24 Karaoke (not supp)
RATE Query Input Sample Rate (Frame Rate)
QS Query, returns sample rate in Hz (000000=unknown).
VFMT Query Video Input Format
QS Query, returns video timing and format code xx in hex. See Video Format Chart
Below
VCOL Video color depth
QS query, response xx=
00: AUTO
08: 3x8 bit
0a: 3x10 bit
0c: 3x12 bit
10: 3x16 bit
fe: not applicable
ff: unknown
VCPP Copy protection status
QS query, response xx=
00: none
01: HDCP
02: Macrovision
80: AUTO
81: ON