759OTHER FUNCTIONS12345678910111213141516171819■ Attenuator functionThe attenuator prevents distortion of a desired signal byvery strong signals near the desired frequency or when verystrong electric fields, such as from a broadcasting station, arepresent at your location. The attenuation is about 15 dB de-pending on the operating frequency.➥ Push and hold [• ATT] for 1 sec. to turn the attenuatorfunction ON and OFF.• “ATT” appears on the function display.MWMENUENTHOLD VSCAN.1472580369SKIPNO.CLRSQLDIALSEARCHATT. ATTAppears■ Lock functionTo prevent accidental frequency changes and unnecessaryfunction access, use the lock function.➥ Push and hold [MENU ] for 1 sec. to turn the lockfunction ON and OFF.• “ ” appears while the lock function is activated.• [ ] and [MENU ] can be used while the lock function isactivated.• The squelch control and volume control can be used while thelock function is activated with default setting. Either or both thesquelch control and volume control can also be locked in settingmenu.MENU ➪ SETTING ➪ LOCK (p. 68)MWMENUENTHOLD VSCAN.1472580369SKIPNO.CLRSQLDIALSEARCHATTMENUAppears
