The Load File View

When the sonar viewer is started, the Load File View is displayed:



(1) Back to the Main View

Click this button to return to the Main View. This button is only enabled when a sonar file has been loaded.


(2) Browse

The Browse button opens a file explorer window so that a sonar file can be selected for loading. After the selected sonar file has been loaded, the sonar viewer switches to the Main View.


(3) Recent Files and Recent Folders

The Recent Files and Recent Folders lists contain lists of the recent files that have displayed in the sonar viewer, and the disk folders that contain them.


Files in the recent files list can be either waypoint or sonar log files. The file type is indicated by the icon shown to the left of the file name:




To open a file from the recent files list, click the file in the list. The selected file will be loaded, and if the file is a sonar log, the sonar viewer will switch to the Main View.

Click a folder in the recent folders list to open a file explorer window for the selected disk folder. A file can then be loaded be selecting it from the within the file explorer window.


(4) Sonar File Import Settings

Sonar file import settings can affect the way that sonar data is displayed. All settings are saved, so that they are available the next time the sonar viewer is started.

Note that changes to the import settings do not affect the currently loaded track. To update a track that has been loaded, modify the import settings and reload the current track by clicking in the recent files list.


Transducer Location

The position of the the sonar transducer can be configured using this option. Distances are specified in metres or feet, depending on the current display setting (see below), and refer to the position of the transducer relative to the GPS antenna. This setting is only used when displaying side-scan sonar imagery in the map view.


Use headings when available

Use of headings instead of course-over-ground can give significantly better results when viewing displaying side-scan sonar images in the map view, and headings are used by default if they are available. If, for some reason, heading data is available but of a low quality (e.g. the heading sensor is misaligned), then use of headings can give poor results. In this case, de-select this option to revert to using course-over-ground.


Water Type

Water salinity and temperature are used when calculating the sonar depth for Humminbird log files. Select one of Salt or Fresh for the water type and enter an approximate temperature in either Fahrenheit or Centigrade (switch units using the drop-down list box). Temperature needs only to be accurate to within 5 degrees or so.


(5) Display Settings

Display Settings refers to the units used when showing distance, depth, speed and GPS position in the Main View. Metric or US options can be chosen, and settings are retained for the next time the sonar viewer is started.


(6) Language, About Window and Help

The ReefMaster Sonar Viewer is available in English, Dutch, French and German. By default, the language used is the same as the installed operating system. If required, a specific language can be selected from the drop-down list. Changes do not take effect until the Sonar Viewer has been restarted.


ReefMaster Sonar Viewer license and version information can be viewed in the About window, which can be displayed by clicking the About button:



License Management

The ReefMaster Sonar Viewer license is locked to a computer, and can be active on up to two computers at one time. Licenses can be moved between computers by deactivating the license on one PC before activating the license on the target computer. To deactivate a license, click the Deactivate License button. The license key can be copied to the clipboard by clicking Copy Key to Clipboard. This puts the license code into the computer's clipboard, from where it can be pasted into other applications.



This help file is displayed when clicking the ? button.