Garmin 190-01098-00 Manuel D’Utilisation

Basic Operation

You can control the transmitting power of the radio. There are two options: LO (1 W) and 

HI (25 W). LO is typically used for local transmissions, while HI is typically used for 

distance and distress transmissions.
NOTE: When you press the 

 key (North American models) or the 

 key 

(International models), the radio switches to HI power. While in 16/9 mode, Channel 16 

and the second-priority channel (Channel 9 by default) automatically transmit on HI power. 

However, you can switch to LO power in 16/9 mode.
When two signals are broadcast on the same frequency, a VHF radio only receives the 

stronger of the two signals. Other than distress calls, transmit using the lowest power 

setting that allows you to communicate. This reduces the possibility of your transmissions 

interfering with the transmissions of disinterested parties.
In the USA frequency band, transmissions on Channels 13 and 67 are required to be low-

power (1 watt) by default. You can bypass this power setting by pressing the 

 soft key 

during transmission.

1.  Press the 

 key.

2.  Select 

 or 

 to toggle between LO and HI transmit power modes. 

TIP: The radio returns to the Home screen automatically two seconds after changing the 

1 W/25 W mode. You can also select 

 to return to the Home screen.

You can control the receiving sensitivity of the radio. If you are experiencing noise in high-

traffic areas or areas with electromagnetic interference (caused by cell-phone towers, for 

example), set the receiving sensitivity to Local to decrease the sensitivity of the receiver. In 

remote areas and in open water, set the receiving sensitivity to Distant to ensure that you are 

using the maximum range of the receiver.
The 

LOC

 icon is displayed on the screen when set to Local receiving sensitivity.

1.  Press the 

 key.

2.  Select 

 to toggle between local and distant modes.