POLMAR DB-5 - Advanced Functions; Emergency Alert; Keypad Lock Setting; Reverse Frequency ON;OFF

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ADVANCED FUNCTIONS
Emergency Alert +
Under standby mode, press toentermenusetting,LCDdisplays“MENU”;then
press , to turn on emergency alert function, radio will transmit emergency ring
for20Sandthenreceivefor10S,untilyoupressPTT,itwillexit.
Keypad Lock Setting
Under standby mode, press for2Stolockorunlockthekeypad,“ ” will be
displayedatthetopofLCDwhenkeypadislocked.
Reverse frequency ON/OFF
Under standby mode, press for 2S to turn on or off this function, “R” will be
displayed at the top of LCD when you turn on this function. At this time, radio’s
transmitting frequency is its receiving one, and its receiving frequency is its
transmitting one.
Tone Calling (1750Hz Tone)
Toaccessarepeater,pressandholdin keyfortheamountoftimespeciedby
therepeater.Thetransmitterwillautomaticallybeactivated,anda1750Hzaudio
tone will be superimposed on the carrier. Once access to the repeater has been
gained, you may release keyandusePTTforactivatingthetransmission.