Operating On Channel 13; Operating On Channel 67; Simplex/Duplex Channel Use - Standard Horizon HX380 Owner's Manual

Remember to return to Channel 16 when not using another channel. Some
radios automatically monitor Channel 16 even when set to other channels or
when scanning.

3.6 OPERATING ON CHANNEL 13

Channel 13 is used at docks, bridges and for maneuvering in port. Messages
on this channel must concern navigation only, such as meeting and passing in
restricted waters. In emergencies and when approaching blind river bends,
High power is allowed. Pressing the [ H/L (
put from Low Power (1 Watt) to High (5 Watts). When you change from this
channel then return to it, low power will be automatically selected.

3.7 OPERATING ON CHANNEL 67

When channel 67 is used for navigational bridge-to-bridge traffic between ships,
Normal, High or Medium power may be used temporarily (in the USA band) by
pressing the [ H/L (
ceiver will revert to low power.

3.8 SIMPLEX/DUPLEX CHANNEL USE

Refer to the VHF MARINE CHANNEL CHART (page 31) for instructions on
use of simplex and duplex channels.
All channels are factory-programmed in accordance with International,
Industry Canada, and FCC (USA) regulations. The mode of operation
cannot be altered from simplex to duplex or vice-versa. Simplex (ship to
ship) or duplex (marine operator) mode is automatically activated, de-
pending on the channel and whether the International, Canadian or USA
operating band is selected.
HX380
)] key. When you select this channel again, the trans-
NOTE
)] key will change the power out-
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