1. The pushbuttons, control knobs, and case are easily soiled by long-term use of the intercom. Remove the control knobs from the intercom and clean the case with a neutral detergent (do not use strong corrosive chemicals) and a damp cloth. The use of chemicals such as stain removers, alcohol, sprays, or petroleum agents may cause damage to the surface and housing of the intercom.
  2. Handle the walkie-talkie gently and do not move the walkie-talkie with the antenna in hand.
  3. Close the dust cover (if equipped) when accessories are not in use.