ARF37 User GuideRef. 07-10-V3-psn p 11Procedure1. From the main screen, press for 2 seconds to access theDevice setting menu.2. Press twice to access the Chan. setting menu.3. In the Chan. setting menu, select the channel using + or -.4. Press OK to validate your choice.5. Press to select another menu or OK to exit the Devicesetting menu.NOTEWhen you stop using them, devices have to be moved back to radio channelC1Enabling Devices to Enter a ConferenceTo enable communication, devices must memorize an encryption keyprovided by device 01. This operation is necessary in the followingconditions:y To enable all the devices to enter a conference.y To add a device to a conference already set.IMPORTANTThe devices cannot communicate if this procedure, also known as theencryption procedure, is not performed.