Inspire FAQ
Contents
1. gauge Please keep in mind that high currents require very high quality connections to ensure safe and reliable operation INSPIRE FAQ 2006 2007 Page 3 Nov 07 20072. requirements TYPICAL ATTENUATOR RSI GND Figure 2 Attenuator Example Q The tachometer does not seem to work Also when I m in the configuration screen that shows the Magnet Count value never see the star character understand that it is present when the magnet is near the sensor What is going on A The magnets should be within 1 16 of the sensor for reliable operation More important the tach sensor is sensitive to only one pole of the magnet My advice is to flip the magnet over to the other side an opposite pole and try again INSPIRE FAQ 2006 2007 Page 1 Nov 07 2007 a RO TO How many magnets should I use with the tachometer sensor Most applications would use two magnets placed 180 degrees apart By the way the resolution of the tachometer is dependent on the number of magnets that are sensed per revolution The resolution is summarized below _ Tach Resolution _ 1 Magnets 60 RPM 2 Magnets 30 RPM 3 Magnets 20 RPM 4 Magnets 15 RPM 5 Magnets 12 RPM 6 Magnets 10 RPM Note Magnets should be evenly spaced Above 9999 RPM the displayed resolution is formatted to 1000RPM resolution regardless of magnet count My R C ground range test does not pass when the video gear is used What should I do It is important that your R C ground range test meet or exceed the manufacturer s recommendations If your ground range test is not acceptable then the problem must be resolved before using the R C sy
3. DPCoAV INSPIRE OSD A FREQUENTLY ASKED QUESTIONS Q do not have any experience with soldering or electronics in general Will be able to connect the OSD board to my wireless camera equipment Your video equipment will need to be wired to the OSD board Although this is a simple task to someone that has some electronics experience it will probably be a frustrating effort for beginners All of our documentation is online so you can see for yourself if your skills are up to the task If not then please arrange for hands on help from someone with electronics experience Q lm not using the RSSI and external voltage inputs Why does the display show a voltage for them That is to say why don t they show OVDC With nothing connected to the inputs they will display random voltages If you are not using these fields then it would be best to turn them off Or better yet put them to use Q understand that the RSSI input accepts a OVDC to 5VDC voltage range However the voltage want to use is higher than that Is there a solution lt is important that the RSSI input voltage does not exceed 5 0VDC or damage may occur For higher voltages a voltage attenuator divider must be created using resistors A typical circuit is shown below The component values will depend on your application For example to divide the signal input voltage by ten R1 should be 9K and R2 should be 1K Capacitor C1 is typically 1uF but its value will depend on your
4. ime waypoint status to Inspire which it then displays to you In the example shown in Figure 2 the data outlined in blue says that you must turn 32 degrees to the right in order to head toward arriving waypoint number 08 The waypoint is currently 0 03 miles away Figure 3 Waypoints INSPIRE FAQ 2006 2007 Page 2 Nov 07 2007 RO The micro GPS module s data seems to be unstable when it is sitting still on a table Is it defective The GPS receiver is fine When the GPS is stationary static operation the data will often change on its own due to the satellite signal processing For those applications that are bothered by this there is a setting in the GPS menu that can be used to reduce the bouncing data Please see Motion Filter on Page 13 of the User Manual don t get reliable GPS data while testing the system in my workshop What is wrong GPS receivers are designed for outdoor use For reliable operation you ll need to move outside to an area that has clear view of the sky Please allow several minutes for the receiver to establish a GPS signal lock with the heavenly satellites Even though reset the AGL altitude it does not always return to zero when go back the exact same location Sometimes it is off by nearly 50 feet The accuracy of GPS altitude is typically fifteen meters It can be better or worse depending on the geographical location and satellite fix If WAAS signals are available in your GPS area and y
5. ou have the WAAS SBAS feature enabled in the setup menus GPS Hardware Page 4 then you have the best accuracy possible What is the pin out of Inspire s 4 pin RS 232 connector What are the RS 232 voltages The pin out is shown in Figure 3 The voltage levels are standard RS 2382 12VDC The current sensor s cables seem very short Why aren t they much longer so that they can reach all the way to my battery pack The provided current sensor wires are deliberately kept short to encourage the end user to choose the best wire gauge for their application Please add your preferred connector quality made 4 5mm bullet is typical gt see to the provided wires and then adapt to the wire Figure 4 External R size and length that is needed in your installation 7 A r gt np gt iz x 5 7 e F lt gt ose S N giy amp E I d gt a gt A y w gt a f ER Pupi 2 Ses int CAS Y os Es 7 o es ya Pe w a ook oe py A y p N V te gt gt 4 gt z ar 4 2 2 ee t Aes ed i Fae ake eet S 232 Connector would like to measure slightly more than 75 Amps during the brief periods my propulsion motor is under heavy load Is this possible The stock setup is rated for 75 Amps DC However the current sensor IC can accurately measure up to 100 Amps DC For safety the stock heavy gauge wire leads will need to be replaced with a much heavier
6. stem Here are some things to try 1 Never power the video system with the R C system s battery Use a dedicated pack 2 Keep the video equipment far away from the R C receiver and all wiring 3 Keep the GPS cable antenna far from R C antenna 4 Change the routing of your video wiring 5 Keep all wiring as short as possible 6 lf necessary disconnect Inspire from the R C receiver lm using the micro GPS module and want a longer cable for it Do you offer one Not at this time However if you are skilled at soldering you can extend the cable up to eight inches The longer wires may introduce more EMI RFI do not allow your extended cable to be routed near your R C system lm confused about the fields that show waypoint bearing and distance as well as the return to home direction arrows What exactly is a waypoint and what do I need to see all this data A waypoint is a specific geographical location It is identified by its longitude and latitude position Some GPS receivers allow the user to store one or more waypoints and then use the GPS to direct them to these locations In addition the return to home arrow is nothing more than a waypoint to your starting location To use the waypoint data Inspire is designed to interface with the popular Garmin Geko 201 GPS receiver This GPS system allows for easy entry of the waypoint information including complex routes with several waypoint locations During use the Geko sends the real t
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