Settings

 

DOP (Dilution of Precision)—displays DOP, which is an

You can manually enter your altitude when in 2D navigation

 

indication of satellite geometry quality measured on a scale of

or simulator mode. Any altitude entered will be automatically

 

one to ten. Lower numbers indicate higher quality signals.

calculated when the unit is in 3D navigation mode.

DGPS SNR—displays the SNR when the unit is receiving a

To set 2D altitude:

 

DGPS signal. The SNR range is 0dB to 30dB, with 30dB being

 

1. From any Main page, press Menu twice and highlight GPS.

 

the best.

 

2. Press Menu, and select 2D Altitude.

WAAS (Wide Area Augmentation System) can provide more-

Using the Tide Tab

accurate GPS position information in North America. However,

when using WAAS, the device takes longer to acquire satellites.

From any Main page, press Menu twice and highlight Tide.

The Tide tab shows a chart that displays tide station information

To disable WAAS:

in a 24 hour span, starting at midnight station time. You can select

1.

From any Main page, press Menu twice and highlight GPS.

different dates.

2.

Press Menu, and select Disable WAAS.

 

When your unit is turned on, it starts the search for your location based on where you were when it was turned off. AutoLocate is used by the GPS 152H to find your location when the unit does not know your previous location.

To use AutoLocate to find your location:

1.From any Main page, press Menu twice and highlight GPS.

2.Press Menu, and select AutoLocate.

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GPS 152H Owner’s Manual