Manual-16Device Control LanguageData StructuresAbbreviations used: Definition:$: signifies hexadecimal numberADDR: Device AddressCHNUM: Channel Number codeCOMSTAT: Communications Status codeDCL: Device Control LanguageDT: Device-Type code (predefined)ID: Manufacturer’s ID code (predefined)MEMNUM: Memory Number codeOPSTAT: Operational Status codeSPL: Stored Parameter List (product dependent)ECM 64 Stored Parameter List (SPL):System Parameters:Index Hex Name / System ParametersEncoding Method0 $00 Meter Display 0-7 (byte) 0 = Mic Mix1 = Line In2 = Aux In3 = Hybrid Rx4 = Out 15 = Out 26 = Out 37 = Hybrid Tx1 $01 Auto Answer Ring Count 0-9 (byte) 0 = Auto Answer Off;1 = Answer after 1st ring2 $02 Auto Disconnect 1/0 (byte) 1 = On, 0 = Off3 $03 Privacy 1/0 (byte) 1 = On, 0 = Off4 $04 Mute 1/0 (byte) 1 = On, 0 = Off5 $05 (Reserved) 1/0 (byte) 1 = On, 0 = Off6 $06 AEC 3 kHz 1/0 (byte) 1 = On, 0 = Off7 $07 AEC Mute 1/0 (byte) 1 = On, 0 = Off8 $08 AEC In Mic Mix 1/0 (byte) 1 = On, 0 = Off9 $09 AEC In Line 1/0 (byte) 1 = On, 0 = Off10 $0A AEC In Aux 1/0 (byte) 1 = On, 0 = Off11 $0B AEC Ref. (Mix In/Out1/Ext) 0/1/2 (byte) 0 = Mix In, 1 = Out 1, 2 = Ext.12 $0C AEC Ref. Line In 1/0 (byte) 1 = On, 0 = Off13 $0D AEC Ref. Aux In 1/0 (byte) 1 = On, 0 = Off14-20 $0E - $14 Reserved (Fill with 0s) 0 (byte) 0Inputs Parameters:Index Hex Name / System ParametersEncoding Method21 $15 Mic 1 (Mute)* 1/0 (byte) 1 = Mute22 $16 Mic 2 (Mute)* 1/0 (byte) 1 = Mute23 $17 Mic 3 (Mute)* 1/0 (byte) 1 = Mute24 $18 Mic 4 (Mute)* 1/0 (byte) 1 = Mute25 $19 Line In (Mute)* 1/0 (byte) 1 = Mute26 $1A Aux In (Mute)* 1/0 (byte) 1 = Mute27 $1B Mic 1 Level 0 to 31 (byte) -15 to +16 dB28 $1C Mic 2 Level 0 to 31 (byte) -15 to +16 dB29 $1D Mic 3 Level 0 to 31 (byte) -15 to +16 dB30 $1E Mic 4 Level 0 to 31 (byte) -15 to +16 dB31 $1F Line In Level 0 to 31 (byte) -15 to +16 dB32 $20 Aux In Level 0 to 31 (byte) -15 to +16 dB* Only these function are recalled when setting CHNUM to 1 or 2.