The unit appears to have a patch antenna which is near vertical when worn on the upper arm. As a result there are occasions when satellite signals are blocked. This is especially apparent when turning a corner and changing the sky view of the unit. In use the unit is quite straightforward. The round button is pressed to turn it on, pressing the triangular button cycles through the screens. Both buttons are pressed simultaneously to reset the lap, time and distance counters. There is no sense of guilt about ignoring it, but the information you need is there when you want it. Comments, complaints, etc. Allory Deiss. M300 Windsurfing and Sailing current, average and maximum speed; heading; automated timer; choice of nautical or statute miles. R300 Running current, average and maximum speed; target zones based geek mafia black hat blues pdf on speed or pace; automated timer; estimate of calories burned; choice of statute or metric units. There are five models in the lineup, each with a slightly different feature set optimized for different activities. Model. Market Feature set A300 Skiing current, average and maximum speed; cumulative altitude gained or lost. Follow all product instructions and all instructions in your vehicle owner s manual. To charge your Navman from the mains power, use the mains power charger. General Impressions/Conclusions When I first unpacked the R300 I was not overly impressed. My daily carry GPS is a Garmin eTrex Vista, complete with all the usual bells and whistles. Reverting to something with two buttons and a one-line text interface took a little adjustment. Aug 5, 2005. The recently announced X300 combines all the features into one. The R300 arrived with an arm band, user s guide in six languages, quick. This will either be one screen saying 'ZONE OFF' or three screens indicating 'ZONE ON minimum and maximum speed. The unit will beep to indicate that you are not moving within the target zone. Navman is a registered trademark of Brunswick New Technologies Asia Pte. The screenshots and other presentations shown in this User Manual may differ. MYTRUCK II. User Manual. EZY-Series. MY-Series. Mounting your Navman in a vehicle. How do I delete a custom POI file/category from my Navman?.71. For this left-handed user it worked fine, but there are some things I wasn't comfortable trying on my bicycle. Setup is a bit challenging, like any electronic device which only has two buttons, but the manual walks through the procedure quite well. Total time, Lap number and Lap time for the current lap. Lap distance, Lap number and Lap time for previous laps. Pressing the circular button allows you to cycle through all previous laps. Review by Allory Deiss, August 5, 2005 Since this review is being hosted on the GPS Information website it only seems fair to say right up front that the ol is not a GPS receiver in the traditional sense.