MODIFICATIONS TO MC2000 AND MC2500 DESKTOP REMOTES TO ALLOW USE OF RMN5068 DESK MICROPHONES
The RMN5068 microphone will not have any audio when used with the
MC2000 and MC2500 remotes because the DC bias and load resistors in the
remote's microphone input circuit are too low in value to provide the
proper voltage and load impedance to the microphone's built in
preamplifier. These resistors must be changed as follows: