Key Panel: There are 8 keys and one knob on key panel. The knob is used to
adjust gains, and 8 keys can be used to realize different functions through programming. There are
four types of key functions, including volume adjustment, mute, preset and command. Drag an item
in function area to appointed key to finish programming of the key. Similarly, after finishing all programming, users may use the
emulation button to check whether the configuration is correct Instructions for panel operation indicators 1. Key indicator stays on, which indicates the key is configured
with mute function. 2. Key indicator keeps flashing, which indicate the key is
configured with gain function. The configured knob also uses and adjusts gain of the channel. 13
indicators around the knob indicate gains. They are on or off with gain size. All 13 indicators off
indicates gain of -72dB while all on indicates gain of 12dB. 3. A sudden flash happens when pressing the key indicator indicates
the key is configured with preset or command function. Command function: The command data come from central control
command. Please refer to section 5. | 
