Garmin GPS 152 Owner's Manual And Reference Manual

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Contents

Garmin GPS 152 Owner's Manual And Reference Manual Manual pdf 71 page image

61ReferenceMain Menu:Com TabIf the ‘Garmin DGPS’ format is selected, additional fields are provided to control a GARMINdifferential beacon receiver directly from your GPS 152. You may have the unit automatically scanfor the DGPS beacon signal or you can enter the beacon frequency and bit rate on the unit and theinformation will be used to tune the beacon receiver.To have the unit automatically scan for a frequency:1. With the unit set to ‘Garmin DGPS’, use the ARROW KEYPAD to highlight the “Beacon” fieldand press ENTER/MARK.2. Highlight ‘Scan’ and press ENTER/MARK. The numbers in the “Frequency” field will change as theunit scans from 284 kHz to 325 kHz, 200 bit rate, then 100, at 6-second intervals.To restart the scan:1. Press MENU, highlight ‘Restart Scan’ and press ENTER/MARK.To manually enter a frequency and bit rate:1. With the unit set to ‘Garmin DGPS’, use the ARROW KEYPAD to highlight the “Beacon” fieldand press ENTER/MARK.2. Highlight ‘User’ and press ENTER/MARK.3. Highlight the “Frequency” or “Bit Rate” field, press ENTER/MARK, then enter a frequency or bitrate and press ENTER/MARK when done.The “Status” fi eld will show one of the following:• Tuning — Unit is attempting to tune to the specified frequency and bit rate.• Scanning — Unit is automatically scanning through the frequencies and bit rates.• Receiving — Unit is receiving DGPS signal and ready for operation.• Check Wiring — Unit is not making connection with DGPS receiver.When the unit is receiving a DGPS signal, the “SNR” (Signal to Noise Ratio) and “Distance” fieldswill show data. The SNR range is 0dB to 30dB, with 30 being the best. The “Distance” field may ormay not show data, depending upon the signal being broadcast from the DGPS site.You may also manually enter a frequency and bit rate.StatusFieldSNR and Distance will show data when signal is received.