■ Monitor functionThis function is used to listen to weak signals, without dis-turbing the squelch setting. It can also be used to open thesquelch manually, even when mute functions such as thetone squelch are in use.➥ Hold down [SQL] to monitor the receive frequency.The 1st/2nd segments blinkThe [SQL] switch can be set to a ‘sticky’ operation in theExpand set mode. See page 49 for details.■ Attenuator functionThe attenuator prevents a received signal from distortingwhen very strong signals are near a desired frequency, orwhen very strong electric fields, such as from a broadcastingstation, are near your location.➥ While holding down [FUNC], push [ATT](SQL) to turn theattenuator function ON or OFF.“ATT” appears while theattenuator functions is inuse.When the signal is received by the bar antenna, this func-tion is not effective.154 BASIC OPERATIONNew2001