â— Chairman unit has the priority function to close all speaking unit.
â— Chairman unit has the function to initiate and end attendance sign.
â— Chairman unit can initiate *-key vote (for / abstentions / against), or end the voting.
â— *6charactersx2rows display provides the attendance results and voting results show.
â— Support English show.
â— Low stroke touch key, no stuck key, silent.
â— Support three vote modes:
  1) voting: for, abstain from / against.
  2) election / survey modes: 1/2/3/4/5.
  3) response mode, evaluation methods:
*-ã€-ã€0ã€+ã€++.
â— Capacitor heart type direction microphone, with double color indicator.
â— Support the sign function.
â— Support *1*1 cable simultaneous interpretation.