ARF37 User GuideRef. 07-10-V3-psn p 1Table of ContentsTable of Contents .............................................................................. 1Declaration of Conformity................................................................. 2Introducing the ARF37 ......................................................................... 3Product Description .........................................................................3Accessories .....................................................................................4Getting Started ................................................................................. 6Keyboard Description.......................................................................6Function Usage ...............................................................................7Using the Screen and Keyboard........................................................7Setting a Conference......................................................................... 9Assigning a Number to a Device .......................................................9Changing the intensity of the noise filter......................................... 10Moving to a substitution channel .................................................... 10Enabling Devices to Enter a Conference .......................................... 11Using the Devices............................................................................ 13Using the Listener Mode ................................................................ 13Validating or Unvalidating Other Devices Listening .......................... 13Setting the Volume........................................................................ 14Locking or Unlocking the Keypad.................................................... 14Reloading the Battery .................................................................... 15Troubleshooting .............................................................................. 16