8.66. GATEEN -- Enable Automatic Gating Messages
8.67. 
GMUTEO -- Mute All Outputs
8.68. 
ID -- Set Device ID
8.69. 
LABEL -- Set or Query one of the Device Labels
8.70. 
LAGC -- Enable or Disable Line Input Automatic Gain Control
8.71. 
LAGCLINKAB -- Enable or Disable Stereo AGC Linking on Inputs A and B
8.72. 
LAGCLINKCD -- Enable or Disable Stereo AGC Linking on Inputs C and D
8.73. 
LAGCMAX -- Set Maximum Allowed Line Input AGC Gain
8.74. 
LAGCMIN -- Set Minimum Allowed Line Input AGC Gain
8.75. 
LAGCRATE -- Set Ramp Rate of Line Input AGC
8.76. 
LEC -- Enable or Disable LEC
8.77. 
LECMODE -- Set Amount of Double Talk Suppression used in the LEC.
8.78. 
LI -- Query State of Logic Inputs
8.79. 
LIA -- Assign Action for when Logic Input is Activated
8.80. 
LID -- Assign Action for when Logic Input is Deactivated
8.81. 
LIH -- Assign Action for when Logic Input is Held
8.82. 
LIEN -- Enable Automatic Logic Input Status Messages
8.83. 
LIG -- Configure Logic Input Pins Into a Group
8.84. 
LIK -- Delete One or All Logic Input Pin Commands
8.85. 
LIM -- Mask Logic Input Pins
8.86. 
LIN -- Assign Command to Logic Input Group
8.87. 
LIP -- Set Polarity for Logic Inputs
8.88. 
LO -- Query or Set Status of Logic Output Pins
8.89. 
LOA -- Define Behavior for Logic Output Activated State
8.90. 
LOD -- Define Behavior for Logic Output Deactivated Status
8.91. 
LOEN -- Enable Automatic Logic Output Status Messages
8.92. 
LOK -- Delete One or All Logic Output Pin Commands
8.93. 
LOM -- Mask Logic Output Pins
8.94. 
LOP -- Set Polarity for Logic Outputs
8.95. 
MACROA -- Add Command to Current Macro
8.96. 
MACROK -- Delete One or All Macros
8.97. 
MACROL -- List All Commmands in a Macro
8.98. 
MACROQ -- Execute Macro Quietly
8.99. 
MACROS -- Start a New Macro
8.100. 
MACROW -- Write Macro to Non-Volatile Memory
8.101. 
MACROX -- Execute Macro
8.102. 
METER -- Select which Signal is Displayed on the Front Panel LED Meter
8.103. 
MGAIN -- Set Crosspoint Gains in Main Matrix or Submatrix
8.104. 
MGATE -- Select Gated or Ungated Microphone Signal in Matrix
8.105. 
MIC -- Enable Microphone Gain Stage on Inputs 1-4
8.106. 
MINI -- Enable Modem Initialization String
8.107. 
MINISTR -- Set Modem Initialization String
8.108. 
MMUTE -- Mute Crosspoint in Main Matrix or Submatrix
8.109. 
MUTEGIL -- Set Mute Status of Line Inputs as a Group
8.110. 
MUTEGIM -- Set Mute Status of Microphone Inputs as a Group
8.111. 
MUTEI -- Mute One or More Inputs
8.112. 
MUTEO -- Mute One or More Outputs
8.113. 
NC -- Enable Noise Cancellation