20
Setting Transmit (TX) Power
The
VHF600
transmits on 55 marine frequencies and receives on 80
marine frequencies. Channel 70 of the USA, International, and Canadian
frequencies, and channel 15, of the USA frequencies, and WX CH – are
for receiving only. The
VHF600
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 is located
on pages 67 - 69.
Setting TX Output
Caution:
Be sure to set the TX output to LO while in port or for short
range communications.
1.
When you turn the
VHF600
on for
the first time, it is automatically set to
transmit at 25 watts (HI).
2.
Press
H/L
briefly to change the
transmitter output to 1 watt (LO).
3.
Press
H/L
again to change back to
25 watts (HI).
Note:
A short tone sounds every time you press
H/L
.
CH13 is a 1 watt (LO) channel. When the channel is a LO
power channel, you can transmit at 25 watts (HI) by pressing
H/L
during the call. LO power channels are USA Channels 13,
17, 67, 77; Canadian Channels 13,15,17,20,66,77, and INT
Channels 15,17. Use low transmit power in harbors or when
close to the receiving station. You cannot change the transmit
power setting on channels which are receive-only channels,
including all weather channels, USA Channels 15, 70,
Canadian Channel 70, and International Channel 70.
HI USA
DISTRESS
LO USA
DISTRESS
HI USA
DISTRESS
VHF600_UT921ZH 5/28/04 4:24 PM Page 20
