3. Make a call to someone who will act as a test person.4. Use 56 to scroll through 12-setting transmit volume menu until your test personconfirms your voice is at the appropriate volume.5. Press OK to confirm new setting.The transmit volume menu is the permanent default/start position for the LCD display. Afteradjusting any of the other settings via the display, it will revert to the transmit volume menuposition.Important: For USB applications, the volume settings are fixed and need no adjustment.2.5.2 Hookswitch selectionThe GN 9350 enables you to answer and end calls remotely by using the GN 1000 RHL, or itsbuilt-in electronic hookswitch (EHS) modes. EHS is only possible on certain telephone sys-tems. In order to determine which telephones have the EHS feature enabled, please refer to ourwebsite www.gnnetcom.com/gn9120/ehs-setup. Please also refer to your telephone´s usermanual for clarification.4 modes are availableGN RHL non-EHS; works with the GN 1000 RHLDHSG e.g. Siemens and Elmeg desk telephonesAEI e.g. with Tenovis desk telephonesMSH e.g. with Alcatel desk telephonesNote: By default, the GN 9350 is set to the RHL interface, which also isthe correct setting if you manually operate your handset when answer-ing/ending calls as described in the Guide for basic set-up and use.To select the appropriate interface:1. Use 34to locate the hookswitch selection menuon base display.2. Use 56 to select one of the 4 interfaces from the menu.3. Press OK to confirm the interface.Note: To use the DHSG, AEI or MSH function, connect the connec-tion cord (accessory) to your desk telephone and the AUX port ofthe GN 9350.2.5.3 Range/power selectionYour headset offers 3 range/power modes (Normal, Low and Very Low). The Normal mode6