Garmin GMR 18/24 Manual De Usuario

  Note: When using the GMR 18/24 with an expanded network, each network component must be installed according to its installation 

instructions. This diagram only shows how a GMR 18/24 radar communicates with an expanded network, and does not show the full wiring needs 

of the other network components.

  Note: The GMR 18/24, Garmin chartplotter, and the other network components must be connected to a power source according to their 

installation instructions. This diagram only illustrates the network data connections.

Depending on the scanner installation, it may be necessary to adjust the Front of Boat Offset. If the scanner installation requires a 180° offset, 

change the Front of Boat Offset to 180° and test the radar. If the Front of Boat Offset needs further adjustment, continue with the procedure below.
Using the bow of the ship, take an optical bearing of a stationary target located within viewable range. Measure the target bearing on the radar. 

If the bearing deviation is more than +/- 1°, then do the following to access the Front of Boat Offset from the menu on your chartplotter:

1. From the Radar Page, press the

ADJ key to display the Adjustment Menu.

2. From the Adjustment Menu, select

Setup, and press ENTER. Using the Rocker, select the Advanced tab.

3. Using the

ROCKER, highlight the Front of Boat Offset slider, and press ENTER.

4. Adjust the Front of Boat Offset.

1. From the Home screen, select

Radar > Radar Setup > Advanced > Front Of Boat.

2. Adjust the Front of Boat Offset.

All functions of the GMR 18/24 radar are controlled using your Garmin marine network chartplotter. See the Radar section of your 

chartplotter's manual for operating instructions. If your chartplotter's manual does not contain a Radar section, download the latest revision of