POLMAR DB-5 - Tone Search Scanning; Tone Calling (1750 Hz)

75
Inoperatingsituationswhereyoudon’tknowtheCTCSS/DCStonebeingusedby
another station or stations, you can command the radio to listen to the incoming
signal and scan in search of the tone being used.
EnterMenu31st/32ndtostartCTCSS/DCSsearching.
IftheTonescanfeaturedoesnotdetectatoneorcode,itwillcontinuetoscan
indenitely.Whenthishappens,itmaybethattheotherstationisnotsending
any tone.
YoucanpressPTTkeytohaltthescanatanytime.
YoualsocanpressMONIkeyduringTonescanningtolistentothe(muted)sig-
nalfromtheotherstation.WhenyoureleasetheMONIkey,Tonescanningwill
resume.
ToneScanningworkseitherintheVFOorMRmodes.
Function3:TONECalling(1750Hz)
Iftherepeatersinyourcountryrequirea1750Hzburst toneforaccess(typi-
callyinEurope),youcanpressandhold keyfor2sandtransmitterwillauto-
maticallybe activated,anda 1750Hz audio tonewill be superimposedon the
carrier. Once access to the repeater has been gained, you may release and
usePTTkeyforactivatingthetransmitter.