23
SETTING THE TRANSMIT (TX) POWER
The
VHF500
transmits on fifty-four marine frequencies and
receives on eighty marine frequencies. Channel 70 of the USA,
International, and Canadian frequencies, channel 15 of the USA
frequencies, and Weather Channels 0 - 9 – are for receiving only. The
radio transmits on channel 70 when sending DSC information. Your
radio will not transmit on these channels. For your reference, a listing of
all the available marine channels are located on pages 63 - 65.
Caution:
It is important to remember to use the LO position in port or
for short range communications.
1.
When you turn the radio On for the first
time, the unit is automatically set to
transmit at 25 watts (HI).
2.
Press
H/L/MENU
briefly to change the
transmit output power to 1 watt (LO).
3.
Press
H/L/MENU
briefly again to change
back to 25 watts (HI).
Note:
A short tone sounds everytime you press the
H/L/MENU
.
CH13 is 1 watt (LO) channel. When the channel is LO power
channel, you can transmit at 25 watts (HI) by pressing
H/L/MENU
during the call. LO power channels are USA
Channels 13, 17, 67, 77; Canadian Channels
13,15,17,20,66,70; INT Channel 15,17. Use low transmit power
in harbors or when close to the receiving station.You can not
change the transmit power setting on channels which are
receive-only channels: all weather channels; USA Channels 15,
70; Canadian Channel 70; International Channel 70.
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