FTA-250L O perATing MAnuAL16Function featureSix frequently used functions may be accessed with asimple operation:1. Press the [FUNC] key.Pressing the [FUNC] keywill alternately display thesix functions that are setfor the function keys.The following functions are set as default from thefactory:• SCAN • DUAL WATCH • SQL• KEY BEEP • NOISE • DIM/DISP2. Pressing the key under thedesired function icon willactivate the function.The figure on the rightillustrates setting the SQLlevel.The six default functions and the displayed Icons aredescribed below:SQLSetting the squelch level (page 22).KEY BEEPSetting the loudness of key beeps.SCANScan function searches for activate signalson the scanned frequencies or scannedmemory channels.SCAN MEMSetting whether or not to scan as a memoryscan (page 19).DIM/DISPSetting the level of the display and keylighting when operating the transceiver:DIM: Lighting continues at the lowestIllumination, even when the keysare operated.DISP: k e y s a n d d i s p l a y i l l u m i n a t ea c c o r d i n g t o t h e S e t u p M o d e“BACKLIT” setting.