Lowrance Auto-Standby button Metal NAIS 400 Owners Manual - Page 17

pole mount, AIS transceiver dimensions

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135 mm 52 mm 47 mm 98 mm Fig. 6 Mounting 152 mm Figure 5 AIS transceiver dimensions Figure 6 AIS transceiver mounting Step 2 - Installing the external GPS antenna It is not recommended that the GPS antenna is mounted up a mast where the motion of the vessel will cause the antenna to swing and potentially reduce the accuracy of the GPS position. Also, do not mount the antenna in the direct path of a radar transmitter. To pole mount the external GPS antenna, you will require a 1-inch 14 TPI thread pole. 16 | Installation | NAIS-400 User Manual

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16 |
Installation |
NAIS-400 User Manual
52 mm
152 mm
135 mm
98 mm
47 mm
Figure 5 AIS transceiver dimensions
Figure 6 AIS transceiver mounting
Step 2 - Installing the external GPS antenna
It is not recommended that the GPS antenna is mounted up a mast
where the motion of the vessel will cause the antenna to swing and
potentially reduce the accuracy of the GPS position. Also, do not
mount the antenna in the direct path of a radar transmitter.
To
pole mount
the external GPS antenna, you will require a 1-inch
14 TPI thread pole.