VHF100 VHF Radio Owner's Manual - West Marine

Fig. 6a: USA Mode DisplayFig. 6b: International Mode Display6. Changing BetweenUSA, International,and Canadian ModesDifferent areas of the world use differentVHF frequencies, although the channeldesignation (1-88) may be the same.There are three modes: USA,International, and Canadian. Press andhold the SQL/UIC key for two seconds tochange from USA to International toCanadian Modes in turn.• When Country Mode is changed,Channel 16 is automatically selected,not the last channel used. (Figs.6a–6c)• If for some reason you find that youcannot communicate with anotherradio use on a predetermined channel,insure that both radios are set thecorrect Channel Mode. This can bevery confusing if different modes arebeing used.Fig. 6c: Canadian Mode DisplayFig. 7a: TX DisplayBlinkingFig. 7b: Weather Channel Mode Error Display7. Transmitting a SignalTo transmit a signal, press the Push-To-Talk (PTT) key on the side of the radio.While transmitting, the TX indicator willappear. (Fig. 7a) When PTT key isreleased, the radio returns to ReceiveMode.• You cannot transmit on receive-onlychannels like the Weather Channelsor Channels 15 and 70. If you try, anerror tone will sound and the channelnumber and TX indicator will blinkthree times (Fig. 7b) and then goback to the normal display.• If PTT key is pressed when the batterycondition is low, one last transmissionwill be allowed, then an errortone will sound with BAT LO displayed.No further transmission willbe allowed. See page 7.West Marine VHF100 Radio Owner’s Manual 5