Installation guide

| 9
NSS | Addendum for RTM-2, RTM-2.5 and RTM-3
EN
Structure options
You adjust the StructureMap settings from the Structure options menu. The menu is available
when Structure overlay is enabled.
Not all options are available when saved StructureMap files are used as source. Unavailable
options are greyed out.
Structure Options, Live data Structure Options, Saved data
Range Sets the search range
Transparency
Sets the opaqueness of the Structure overlay. With minimum transparency
settings the chart details will be almost hidden by the StructureMap overlay
Transparency: Max Transparency: Min
Palette Selects Structure palette
Color
Adjusts the intensity of the Structure image. The more you increase the
color the more echoes will be displayed
Water column
Shows/hides the water column in Live mode.
Turned OFF schools of bait fish might not be seen on the SideScan image.
Turned ON the accuracy of the SideScan image on the map might be
affected by the water depth.
Water column: OFF Water column: ON
Frequency
Sets the transducer frequency used by the unit. 800 kHz offers the best
resolution, while 455 kHz has greater depth and range coverage
Noise
rejection
Filters the signal interference and reduces the on-screen clutter
Clear live
history
Clears existing live mode history trails from the screen and begins showing
only the most current data
Record data Records StructureScan data
Source Selects StructureMap source