– 39 –CONFIGURATION MENUTO DIPSLAY CONFIGURATION MENU• Turn on the POSITION BUSY lamp.When the POSITION BUSY lamp is off, press the POSITON BUSY key to turn on the POSITIONBUSY lamp.• Press the L4, L6, and SRC keys simultaneously.The first page of configuration menu appears on the LCD.Page 1 [CONFIG MENU P1] VER x SRC:prev page1:HEADSET/HANDSET DEST:next page2:MUTE Release:exit3:BLF Answer:updatePage 2 [CONFIG MENU P2] VER x SRC:prev page1:HOLD/START/RELEASE SWAP DEST:next page2:2ND RINGING Release:exit3:RINGING Answer:updatePage 3 [CONFIG MENU P3] VER x SRC:prev page1:RECEIVER VOLUME SET DEST:next page2:RINGER VOLUME IN PB Release:exit3:POWER CONTROL Answer:update