CoMo AV Instruction Manual
Contents
1. Tip Fast adjustment If the page display shows date push and hold the page button to open the date adjustment menu Adjust date to the desired ns by turning the Rotary Button and confirm with a brief push 2 6 Logbook OLC Logbook The CoMoAV stores the minimum and maximum values of the last 63 flights automatically in the logbook 2 6 1 Logbook Autostart The logbook will start automatically when a 15 m altitude change is measured If you have the OLC Logger version and the GPS is switched on then 3D logging will also be activated in a separate memory The displays changes after activation to the time stopwatch display page 2 6 2 Logbook Manual Start The logbook can also be started manually by a long push on the Logger Button The indication skips automatically to the time stopwatch page and the stopwatch starts running time and flight duration 22 07 0 00 i Stopwatch running flight will be recorded Logbook Evaluation The Logbook is accessible through the menu long push on the Rotary Button then turn until the display reads Logbook A brief push on the Rotary Button will open flight 1 latest flight Three pages are shown for each flight The first page of the logbook gives basic information FLIGHT 02 24 03 2008 09 23 09 25 00 02 Flightnumber Date Takeoff and Landing time Flight duration in hours and minutes Takeoff altitude in Altitude indication Tur2. RS 232 connector Speed sensor impeller sensor connection external beeper connection especially for motor pilots USB connector mini usb connector 5 poles on off 90 1 4 onloff Switching Operation Schema The operation of the CoMo is very simple Generally there are 3 actions brief push long push G turn The following schema explains all operation and setting modes We differentiate between fast and main menu settings This is explained in more detail in section 2 1 1 for altitude adjustment Switch on Push the red on off Button Note if a GPS Module is connected there are two options a brief Push on the Rotary Button will switch the GPS on a brief Push on the CLR Button will leave the GPS off a brief Push on a Function Button will choose the next function of the corresponding display e g from alt 1 to alt 2 a brief Push on the Rotary Button will shift flightprofiles Rotating the Rotary Button will turn the page display forward or backward along Push on any Button will switch to the adjustment mode of a displayed function Fast Setting along Push on the Rotary Button will switch to the adjustment menu Main menu Setting Within the Main Menu turning the Rotary Button chooses a function or adjusts values selection is also possible by briefly pushing the Page Button a brief Push on the Rotary or Page Button will confirm O
3. exit on off auto off the selection of the value display OK confirms storage Main Menu Setting a brief Push on the related Function Button confirms the value display OK and the menu is departed Fast Setting a brief Push on the Exit Button shifts one level back within the menu Changed values will not be retained Push the Exit Button repeatedly to leave the main menu Switch off A long Push on the red on off Button Auto Power Off Function If there is less than 15 m change in altitude within 15 min and SOG only with activ GPS is less than 4 4 km h your CoMo will turn off automatically 1 5 Main Menu general view a long push on the Rotary Button opens the adjustment menu Rotation selects the desired function a brief push confirms your choice Menu level 0 settings flight profile logbook Flight 63 Menu level 1 Menu level 2 altimeter alt 1 manual adjustment alt 2 manual adjustment zero alt 3 manual adjustment audio descent threshold point of response damping response sensitivity volume loud volume quiet beep interval audio simulator time hours minutes date day month year digital vario integrationtime in seconds 1 32 seconds logger recording rate clear profile 2 on off according to current state Flight 1 date take off and landin
4. b The PC assigns a virtual COM port to your CoMo see also 4 f c Enter the logbook at your CoMo using the Rotary Button until log 01 to pc press rotary for transfer appears Logbook Display Log 01 To PL 4 ROTARYG TRANSFER Push the Rotary Button to switch to transfer mode The Display reads Logbook Display START UPLOAD AT PC d Start your OLC upload program like Maxpunkte CompeGPS or SeeYou at the pc Hint All programs supporting the MLR format can be used e g Kashmir in Japan There are demo versions of the most popular programs on our CD Hint for MaxPunkte user At the first upload attempt a window with the message no argument for d might open Initialise Maxpunkte with the correct COM Port setting and after restart of the program this error message will not appear any more If you use several CoMos at the same PC they will all get a unique COM Port number So this has to be set up for every CoMo used Important The Maxpunkte program only supports Com Port numbers up to 9 If your PC assigns a higher number to the CoMo then you have to use the device manager menu of Windows to select manually a Com Port number below 9 Tracklogs can only be transferred one at a time 4 Softwareupdate via Internet You will find on our webpage www renschler de under support and download the latest version of the CoMo software Compare the software revision number see under menu and device information
5. 20 21 BG AE 5 2 8 3 Satellite State Indication This indication keeps you informed about GPS reception If the core of the indication flashes the GPS is in search mode For every satellite found one dot lights up Although your GPS is capable of receiving up to 16 satellites the indication only shows up to 6 More than six satellites are not necessary flashing core search for satellites no position displayed one more dot for each satellite found 4 satellites found flashing stops sufficient reception for position analysis 6 12 satellites found perfect reception 2 8 4 Position and Altitude Display page 5 Position is shown in degrees of longitude and latitude The GPS uses the world cup standard format WGS 84 degreedegree decimaldecimaldecimaldecimaldecimal to display the position GPS Page GPS altitude Position There is no indication in minute or second format yet Knowing your position in degrees of longitude and latitude is useful when you have to guide people in case of emergency or just to bring you back after a cross country flight For technical reasons altitude determination by GPS is less precise than the analysis of the geographic position GPS altitude is shown with a significant delay after the position is found At first values are rather inaccurate aberrations of up to 50 m After a while of operation the GPS altitude becomes more exact Warning Given the
6. of your CoMo with the version number in the internet If the internet number is higher you can do an update via internet USB interface required The following steps are necessary for an update Important To avoid software damage never perform an update when the batteries are weak Should they fail during the update you will have to return your CoMo to the factory for repair a The CoMo must be detected by your PC otherwise you have to get the USB driver from www ftdichip com b You need to download our flashloader program from our website or use the one delivered with your CoMo CD c Download the update software to your PC d Install the flashloader by double clicking the file flashloader exe e Connect the CoMo via USB to your PC f Turn on the CoMO into the special software update mode by pressing simultaneously the on key plus the clr and alt key start software update at the pc appears in the page display 26 27 g Start the Flash Loader program and follow the instructions on the PC screen Hint Run the Flash Loader once without connecting the CoMo and memorise the serial ports shown in the box Then connect the CoMo and restart the program Your CoMo connects to the port which is now shown in the box EE CoMo AV Flash Loader Version 1 2 1 Load the update from www renschler de Double click this zip file and store the content f e rev127 hex into a folder 2 Start your CoMo in the Software Upd
7. Push the Button to shift into next Flight profile if active Rotation turns pages forward or backward A long push on the button opens the menu of the instrument Rotation selects a function which is confirmed by a brief push Within the menu any adjustment can be executed The page display will provide additional information Functional Group The keys in this section offer direct access in flight All Function buttons are located next to the corresponding display making incorrect operation most unlikely go 7 O logger clr gt eo start stop i mark CoMo J 1 O Logger Function Button will start stop the recording Altitude Function Button A brief push shifts to the next value e g from alt 1 to alt 2 Make a long push to enter the adjustment menu Track Function Button no function yet Speed Function Button Switches between different speed indications according to connected sensors Page Function Button Switches between all page displays A long push opens the corresponding menu Acoustic Function Button Acoustic can be set to off soft or loud A long push opens the acoustic menu for further adjustment CLR Button In adjustment mode the Acoustic Function Button converts into a Clear Button by which a value can be set to 0 directly e g altitude of landing ground This button allows flight data to be recorded A long push In th
8. lack of accuracy of the GPS altitude reading regard it as only an approximate value when adjusting the barometric altimeter 2 8 5 Track and Northpointer To define a track the GPS has to be moved horizontally by a speed of at least 1 5 km h whether you are flying or walking Remember This is not as responsive as a magnetic compass flight direction ae gt north track rG IE indication only from 1 5 kmih on 2 8 6 SOG Speed over Ground and Windanalysis When GPS has found a position the speed display shows speed over ground SOG As SOG is a horizontal movement only climb and descend rates have no influence at all on its value The SOG display lets you judge the wind situation as it is acompound of air speed and wind speed Flying with tail wind adds values while flying with head wind subtracts wind speed from air speed las as soc 381 Example if the SOG is 60 km h in one direction and in the opposite direction only 20 km h then you travel at 40 km h while wind velocity is 20 km h Warning Never try to judge wind direction close to ground just by watching your SOG Valley winds thermals etc may totally alter the wind direction and speed in a chosen landing area Better to rely on the good old trusty windsock or natural indicators smoke a rustle in a cornfield ripples on a lake s surface etc 22 23 2 8 7 Glide Ratio over Ground l d ratio The glide ratio over ground is the
9. on the Logger Button make sure your GPS is on otherwise only the logbook is started The display switches automatically to the time stopwatch page and the recording begins stopwatch starts running The OLC Logger has the same autostart function as the logbook see 2 6 1 The log is terminated by a long push on the Logger Button or simply by switching off your CoMo GPS and Add On OLC Logger only with Add On 3 3 OLC Logger Page and Indication OLC logger page The page shows the current state and settings on off number of logged points recording interval Log number and remaining logging capacity in hours OFF gt DN LOGGER oooo2 045 LOG 01 REST O1eh b record interval in seconds ut gt number of tracklogs remaining record time OLC Logger Page number of logged points OLC Logger Indication Logger activity is permanently indicated even while you are using other pages than the Logger page or the time stopwatch page OLC Logger Indication A If dots are rotating the logger If all dots are flashing e is recording properly GPS data are insufficient 3 4 Logbook On the OLC version the tracklogs are marked as log instead of flight in the logbook see 2 6 logbook 3 5 Logger Settings 3 5 1 Logger Sampling Rate A capacity of 65535 tracklog points is available Depending on the interval between tracklogs your recording time can be up to 558 hours recording interval
10. set to the maximum of 31 sec As arule of thumb there are 18 hours capacity with a log sampling rate of once per second We recommend an interval of 3 and 6 seconds between each log giving 54 to 108 hours recording time The resolution is good enough to display individual 360s and to provide accurate graphics of thermals etc The intervals between tracklogs can be set under logger set logger sampling rate Loggermenu Display EVER g h Ser naa 24 3 5 2 Erasing the OLC Logger Memory The memory of the OLC Logger will be erased completely in only one step flash memory Ensure that all important flights have been transferred to the PC before erasing the memory The function erase memory is in the menu settings logger IP We recommend that you erase the memory immediately after transferring data to the PC If you experience problems during the transfer or if you have performed an update erasing the memory will re initialise the file system ERASE IN PROGRESS ote PLEASE HAIT Important After a software update or a software hang the OLC memory must be erased to ensure proper operation 3 6 Tracklog Data Transfer to the PC To transfer the data to the PC you need to have the correct USB driver on your PC On most PCs this is already there because we use a very popular FTDI chip which is supported by most operating systems see also 4 a a Connect the CoMo via the USB cable to your PC
11. 5 1 Logger Sampling Rate 3 5 2 Erasing the OLC Logger Memory Tracklog Data Transfer to the PC Softwareupdate via Internet CoMo Maintenance Overheating Water Landing Cleaning Storage Warranty Information Disclaimer Warranty Technical Data Release 2 Description of the Functions 2 1 Altimeter Briefly push Altitude Function Button to shift between three different altitude indications alt 1 and alt 2 can be individually adjusted The third altitude Zero sets the indication to 0 whenever this function is activated alt 2 is linked to QNH air pressure If you are within the alt 2 adjustment menu the speed indication shows the QNH value corresponding to altitude You may now adjust the altitude value to the current QNH zero function can be useful if you are flying in weak thermal conditions over a longer period of time and want to be informed about altitude gain or loss at one glance From software 1 32 on 2 1 1 Altitude Adjustment Altitude values may be changed in either Fast Setting 3 steps or Main Menu Setting 7 steps but more options are available Fast Setting Push and hold the Altitude Function Button while the indication shows the altitude value you wish to adjust The instrument automatically opens the adjustment menu Adjust to desired altitude value by turning the Rotary Button or set to zero by brief push on the CLR Button Confirm value by brief push on the Altitude F
12. Next steps in software development Navigation distance to waypoint bearing to waypoint glide ratio to waypoint Release 2 0 is scheduled for 2008 the following products are in the design stage solar and solarGPS Module G Meter G Force measurement for Acro Pilots PWC Contest version We will keep you informed on our web site www renschler de about updates and accessories Don t hesitate to give us your opinions and suggestions on the CoMo Mail to como renschler de Have a lot of nice flights with your CoMo Enjoy Be a CoMo sapiens Your Renschler Team 30 20 05 08 CE instruction manual eng rev 1 5 pardeoxe seoud 3 Aran ap soBueup YD9 SUOISIWLIO SION Ak Ingenieurb ro Renschler G D Tel 49 0 711 879 462 FAX 49 0 711 870 11 80 RENSCHLER Kirchtalstr 30 D 70435 Stuttgart Germany www renschler de
13. ate Mode by pressing simultaneousley the acoustic and alt key during tum on On your CoMo page display start Software update at PC appears 3 Connect your CoMo with the USB cable to your PC before starting this program 4 The operating system assigns the CoMo a COM port number Please select this COM port from the right box COM3 selected Com Pott AVMISDN3 5 After the Com port selection you can select your update file with the Upload key This automatically starts the update process action in progress Text transferred data Statusline transferred lines Linecount transfered Bytes Bytecount 6 When the download finishs first remove the USB cable and then switch your CoMo off select Com Port upload opens the selection screen Choose the new software file hex h After the update has finished sometimes with a stop first remove the USB cable and then switch the CoMo off After a successful upload the program closes automatically 5 CoMo Maintenance 5 1 Overheating Never expose your CoMo to extreme temperature e g behind the windscreen of the car greenhouse effect Overheating may cause severe damage 5 2 Water Landing After a water landing especially in salt water batteries should be removed immediately Open the housing 4 screws on the rear rinse all PC boards carefully with clean water and dry them thoroughly afterwards Important If the CoMo doesn t work afte
14. cations are available _ I flight direction ER Track s Track Display X north Gives information about m the track only in com uy lt i bination with a GPS otherwise temperature is displayed Track and the north pointer are only shown when the instrument moves faster than 1 5 km h the GPS is unable to identify a track without movement Speed Display In combination with a GPS the SOG Speed Over Ground can be shown enhancing your safety Page Display Displays further information like time date battery state up to nine pages according to software In adjustment mode the page indication turns into a built in instruction manual directional functional hints Menu Level 1 3 The Connectors of the CoMo AV Screw Driver The washer is intended to unscrew RK and remove the mountingplate SS for battery change Connection for Lanyard to secure the CoMo System Bus left Add On modules can be connected here External Connector see detail below Pin Assignment beep 2 speed RS232 TX 0 50 O00 0 ground ground ground ooaqaa C C beep 1 RS232 RX 0 Do 080 0 M4 threaded sleeve for any kind of mounting Make sure that the threaded sleeve is screwed in to the correct depth max 8 mm System Bus right Add On modules can be connected here Battery case silicon cover Pressure port for dynamic pressure Pressure port for static pressure
15. e standard version your personal logbook is activated date max min values and in the OLC version the OLC Logger is activated A change of more than 15 m in altitude will automatically start the recording 1 2 The CoMo AV Displays e e o o Re Bat full Bat empty Battery State Indication The number of dots indicates the remaining battery life more details on battery life are found on the Page Indication page 2 GPS State Indication This indication flashes when the instrument is seeking satellites When ever a satellite is found one more dot will light up All dots on means that the GPS receives 6 12 satellites Profile State Indication Shows which profile is activated one dot profile 1 Audio Indication Shows if the acoustic function is set to soft loud or off OLC Logger Indication shows if the instrument is recording flight data only with built in OLC logger Analog Vario Display direct vario The position of the needle is quickly and precisely discernible Shows immediate climb or descend rate up to 10 m sec current value shown on display 1 7 m sec climb rate Piezo Beeper for audio variometer Page Display in adjustment mode hints for operation Digital Vario Display integrated vario This gives the averaged rate of climb the timespan for the average can be adjusted in the menu Altitude Display 3 individually adjustable altitude indi
16. ead o k Push the Exit Button repeatedly to leave the adjustment menu Before confirming values you may leave the menu without storing any changed values by pushing the Exit Button repeatedly Main Menu Setting of alt 2 Display shown after step 5 N Display Altitude alt 2 k 22 37 Su GPs 0 N IS 7 S m s I ft minx100 lt f MEE QNH in mbar ALT SETUP WITH A ROTARY CLR Q start stop menu mark CoMoAV ith on off page C 4 leave menu without exit profile logger clr j O storing changed values oO oO 5b set to zero RENSCHLER 1 open Main Menu 2 select settings 3 C select altimeter 4 C select desired function alt 2 5a C adjust 6 confirm 7 leave menu by pushing the Exit Button 3 times Menu indication on alt 2 2 2 Variometer The variometer calculates climb or descent rate by measuring air pressure differences This value is almost instantaneously indicated on the Analog Vario Display while the averaged rate of climb or descent within a selected timespan is shown in the Digital Vario Display 2 2 1 Analog Variometer direct vario Currently the analog variometer is limited to a range of 10 m sec 01 4 6 I 800 ft min 150 ftimin Hl 28 37 climb descent 28 37 2 2 2 Digital Variometer averaged variometer The period of time for the average climb descend rate calcu
17. f first page on all GPS models ROTARY CLR GPS OH OFF Activate the GPS by a brief push on the Rotary Button The pageline reads GPS Page search satellites J 5 When the GPS has found 4 satellites the present position is indicated GPS Page POSITION M 43 54212 42BOFE E 114 03524 page If the GPS is not needed push the CLR button When you call up the GPS page it reads GPS Page gps off page Hint A long push on the Page Button while GPS page is displayed will get you into the GPS on off switching menu Important Note The GPS Module must not be covered as this could spoil the reception The fewer the obstacles trees buildings rocks etc the better it will perform Indoors it will not work at all We distinguish between Cold Start and Warm Start 2 8 1 Cold Start After changing the batteries or after having moved to another location the GPS cannot refer to stored information This can delay the location of your position by as much as 15 minutes 2 8 2 Warm Start If the GPS is activated at the same spot as it was last turned off it can quickly find its position again 1 3 minutes using stored data Hint Turn on your GPS as soon as you arrive at the take off area to give it maximum time for orientation When a position is identified turn the GPS off and you are ready for a quick Warm Start when you actually begin your flight
18. g high resolution 360 degree display incorporating the integrated vario display from 20 to 20 m s in 0 16 m s steps from 45 to 45 m s in 0 1 m s steps adjustable between 1 and 31 sec in 1sec steps frequency and interval modulated for climbing frequency modulated sink tone 3 volume levels Level 1 low Level 2 high both levels are individually adjustable in 6 steps Level 3 audio off adjustable between 0 1 and 9 9 sec in 0 1 sec steps adjustable between 0 m s and 20 m s in 0 2 m steps in 24 hours mode stopwatch up to max 99 h and 99 min resolution 1 sec impeller sensor several design range 0 to 140 km h in air when optional sensor fitted over ground to landing place display from 0 to 99 9 in 0 1 steps G force measurement up to max 10 g with 0 1 g resolution 3 D xyz data memory for all min und max values of altitude variometer speed temperature date take off and landing time start position landing position g force 8 MB Flash memory 65535 3D tracklog points recording time adjustable from 2 to 31 sec 2 sec 36 hours 31 sec 558 hours micro card slot for memory expansion control zones 2 AA batteries Consumption around 2 4 mA which corresponds to 700 to 1400 hours of operation 140 hours operation time with Add On easyGPS If Add On solarGPS is connected the batteries are only used for
19. g time flight duration Flight 1 maximum values Flight 1 minimum values Flight 2 corresponds to software 1 27 Table of Contents a m m otk UBWN 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 CoMo AV Rapid Access The CoMo AV Keyboard The CoMo AV Displays The Connectors of the CoMo AV on off Switching Operation Schema Main Menu general view Description of the Functions Altimeter 2 1 1 Altitude adjustment Fast Setting Main Menu Setting Variometer 2 2 1 Analog Variometer direct vario 2 2 2 Digital Variometer averaged variometer Audio 2 3 1 Volume Levels 2 3 2 Descent Tone Threshold 2 3 3 Time Interval interval between 2 climbing beeps 2 3 4 Response Sensitivity 2 3 5 Audio Simulator Flight Profile Time Date and Stopwatch Logbook 2 6 1 Logbook Autostart 2 6 2 Logbook Manual Start Battery Condition 2 7 1 Battery Replacement GPS KKK 2 8 1 Cold Start 2 8 2 Warm Start 2 8 3 Satellite State Indication 2 8 4 Indication of Position and Altitude 2 8 5 Track and Northpointer 2 8 6 SOG Speed over Ground and Windanalysis 2 8 7 Glide Ratio over Ground l d ratio GPS GPS and Add On OLC Logger with Add On with Add On iy y Add Ons have to be bought seperatly on on OLC logger OnLine Contest Logger Basic Information for operating the OLC logger Start and Stop of a Tracklog OLC Logger Page and Indication OLC Logbook Logger Settings 3
20. ication Hint Set profile 1 and 2 to identical acoustic modes but the first profile with wide 1 the other with short 9 intervals Change profiles in flight to find out your personal preference 2 3 4 Response Sensitivity This is the most important audio adjustment option Usually you do not want your variometer to react too sensitively to brief narrow bands of lift A practical value will be about 1 sec delay This means that if you are flying at 36 km h the thermal must have a diameter of at least 10 m in order to activate the lift audio 2 3 5 Audio Simulator The audio simulator gives an expression of your variometer acoustic during flight acoustic on Turn the Rotary Button and listen in on the beeptone corresponding to the climbrate up to 10 m s 2 4 Flight Profile The new feature of freely adjustable profiles is very useful for varying flying tasks For any demand thermalling cross country acro there is a configuration you can pre adjust and recall when needed Hint In delivery state only profile 1 is active To use further profiles they have to be activated in the menu By a brief push on the Rotary Button you can shift between different profiles The page indication briefly shows which profile is active for about one second temporary info Pa 1 marie Pe Col ot ee a i El i In T appears for 1 sec after profile has been changed The profile state indication permanently dis
21. ing Alkali Mg cells should work very well To ensure satisfactory operation in low temperature environment winter flying or high altitudes 1 5 V Lithium cells can be used as well www energizer eu com Our Solar Module represents the ultimate solution appearing summer 2008 If voltage drops below 2 2 V the GPS is turned off but the audio vario function is maintained In this case it is high time to change batteries 2 7 1 Battery Replacement Remove the mounting plate on the rear of the instrument Beneath the cell compartment is covered by a silicon cap Remove the cap cautiously and put in new cells Never mix different kinds of cells and make sure you load the compartment properly are marked inside You can estimate the remaining operation time by watching the battery time counter A new set of batteries should be good for about 700 h airtime without GPS CoMo AV easy GPS approx 140 h airtime Important Make sure you load the compartment properly Hint Use the washer on the safety cord as a screw driver to remove the mounting plate Remove silicon cap cautiously by the flap Remove empty batteries one at a time plus pole first Put in new batteries one ata time plus pole first Important Reset the battery time counter after replacing the batteries only with Add On GPS 2 8 GPS After switching on the CoMo AV with Add On GPS you are asked if you intend to switch the GPS on or of
22. lation can be selected from 1 to 32 seconds Example To determine the average climb descent rate within a complete 360 turn you choose a value of approx 10 to 15 sec This feature is very useful if you find yourself circling alternately in ascending and descending air m s ft min averaged climb rate of q g 120 ftimin l loud z quiet Q off 2 3 Audio The volume can be quickly adjusted in flight by the Acoustic Function Button A brief push shifts from loud to quiet and further on to off The present state of the acoustic is shown in the corresponding display 2 3 1 Volume levels loud and quiet volume each have 6 programmable volume levels Adjust quiet volume respectively loud volume in the main menu to your personal taste on a scale from 1 n to 6 Hint Hold Acoustic Function Button pushed to enter the Fast Setting mode 2 3 2 Descent Tone Threshold The threshold of the descent tone can be adjusted within the adjustment menu from 0 to 9 9 m s according to personal taste E g If adjusted to 1 5 m s the sound sets in beyond a descent rate of 1 5 m s while it remains quiet between 0 and 1 5 m s Most pilots prefer a set up between 3 and 4 m s more than the average descent rate in turns 2 3 3 Time Interval interval between 2 climbing beeps Some pilots prefer in weak thermal conditions really wide intervals between the beeps while others prefer a perpetual acoustic ind
23. ning the Rotary Button clockwise leads to maximum values FLIGHT 02 t HASIHUHM VALUES max climb rate Analog Vario max averaged climbgrate Digital Vario max Altitude max Temperature max SOG only in combination with a GPS Module Another clockwise turn leads to minimum values FLIGHT 02 t MINIMUM VALUES i min climb rate Analog Vario min averaged climbrate Digital Vario min Altitude min Temperature The next clockwise turn leads to flight 2 page1 etc 2 7 Battery Condition The CoMo AV uses two AA cells The battery state indication and battery info page keeps you informed about the battery condition The battery info page shows on the left the actual voltage New cells should provide at least 3 2 V If voltage falls short of 2 2 V cells should be changed Next to it is a meter for operating hours The percentage indication converts the voltage into an easily understandable percent value Battery info Page BATTERY IHFO von 3 244 0007h 945 Cc Voltage a A a remaining power in battery time counter Any kind of battery state indication will be affected in cold conditions when battery cells and accumulators suffer a considerable loss of capacity E g a pilot may take off at 20 C with the instrument indicating a capacity of 40 only to find it soon afterwards reduced to 5 at a temperature of 10 C at 4000 m MSL Apart from competition fly
24. plays the active profile The number of visible dots corresponds to profile number profile state indication profile 2 active All adjustments in the menu can be stored within the actual profile Example for practical use Set profile 1 for normal thermal conditions to descend tone threshold 3 m s and response sensitivity to 1 0 sec When struggling in weak thermals set profile 2 so that the sink tone threshold is 1 5 m s and the response sensitivity is 1 2 seconds GPS and Add On OLC Logger only with Add On 2 5 Time Date and Stopwatch Time and Stopwatch On page 1 time appears on the left and a stopwatch on the right The stopwatch can be started manually by a long push on the Logger Button or starts automatically when the instrument passes through a change in altitude beyond 15 m The date is shown on page 3 Hint A manually stopped time will generate an entry in the logbook Important On the OLC version logging is started this way by hand So if you want to use only the stopwatch ensure that the GPS has been switched off see 2 8 22 07 9 007 7 time ____ stopwatch logbook time and stopwatch page Tip Fast adjustment If the page display shows time a long push on the page button opens the time adjustment menu Adjust time to the desired ae by turning the Rotary Button and confirm with a brief push Date Date is displayed on page 3 date page 01 01 2007 3
25. r this procedure remove the batteries at once to avoid further damage In this case you have to send your CoMo in for repair without batteries 5 3 Cleaning Use a wet cloth for cleaning No aggressive cleaners 5 4 Storage If you are not using your CoMo for a longer period of time then remove the batteries and store it in a cool dry place 6 Warranty Information 6 1 Disclaimer Electronic or mechanical failures may cause false readings eg Pressure transducer damage may result in incorrect altitude values Renschler is not liable for any damage or injury caused Ve faulty instrument the pilot is solely responsible for safety in flight 6 2 Warranty We issue a guarantee of 2 years on material and processing defects Electronic or mechanical damage after a crash or waterlanding is not covered 28 29 7 Technical Data altimeter Alt 1 Alt 2 QNH Zero variometer Analog Integral integration time audio audio volume damping descent threshold date realtime stopwatch airspeed glide ratio g meter logbook OLC Logger micro card slot power system and consumption dimensions included in delivery options updates warranty up to 9000 m NN 0 to 29 999 ft resolution 0 3 m 1 ft display in m and or ft adjustable from 4000 to 9000 m 12 000 to 29 999 ft adjustable with QNH displays QNH or zero altimeter zeroes altimeter when activation analo
26. ratio between your speed over ground delivered by the GPS module and the digital vario value Example Flying at 36 km h 10 m s while descending at 1 m s means your glide ratio over ground is 10 Important The longer the timespan setting of the digital vario the smoother is the display Glide ratio page GLICERATIO 7 h 7 OVER GROUND Hint on cross country flights this feature will help you to save altitude on long straight passages e g while crossing a valley Always aim for the airspeed that provides maximum glide ratio over ground Knowing your glide ratio over ground can also help you to judge wind direction and wind speed If there is no data available or when you are climbing the display will read 99 9 3 OLC Logger OnLine Contest Logger 3 1 Basic Information for operating the OLC Logger You can record the 3 dimensional position of your flight with the OLC logger This is an indispensable feature for the Online Contest participation and for any graphical representation of your flight in programs like Google Earth et al Important The CoMo records the position from the GPS and the barometrical altitude alt 2 Make sure alt 2 is correctly set The CoMo does not record the GPS altitude see also 2 8 4 1453 at la t 2 _JanHlzero alt 2 must be set to the correct takeoff altitude e g 1453 ft 3 2 Start and Stop of a Tracklog The OLC Logger is started manually by a long push
27. the clock function and during night operation polycarbonate housing CoMo AV 80 x 80 x 24 mm 29 5 mm incl Rotary Switch 150 g incl batteries instrument pocket mini usb cable CD with div software owners manual various mountings ASI sensors PC software GPS cable modular system expandable to suit your needs flash update via internet 24 months 1 not jet available GPS GPS and Add On OLC Logger with Add On with Add On with Add On G onl only 8 Release 1 27 remarks After 14 months of LCD Dispaly development plus another 15 months designing new hard and software we take a lot of pride in our new CoMo AV as it sets completely new standards in some domains extremely sensitive variometer definite measurement of climbing rates from 5 cm sec on fabulous 700 h of battery life without GPS even with GPS the instrument endures an operation time of 140 h operation is nearly fool proof with the solid Rotary Button FOCUS Energy award for excellence in industrial design There are still some limitations in release 1 27 analog variometer can only display values up to 10 m sec vario and altimeter indication only in meters no temperature indication when easy GPS Module is employed no zero click acoustic when altitude level remains the same over a longer period of time no support for altitude ZerolQNH no support for airspeed sensors
28. unction Button The new value is confirmed by indication o k and adjustment menu is closed Fast Setting of alt 2 Display shown after step 1 Pa gt Display Altitude alt 2 QNH in mbar t oa CRU Da i ors 42 KO BL T E 1 open adjustment menu N er m s C ft minx100 S 3 confirm SEE N back to standard fe ef af indication Menu indication on alt 2 leave menu without storing changed values push repeatedly if necessary 2 on off page C 4 exit profile logger clr O 2b set to zero start stop O wo menu mark CoMo 2a C set to desired value push repeatedly if Push the EXIT Button repeatedly to leave the adjustment menu without changes Hint In case you want to change more altitude values confirm input by pushing the Rotary Button instead of the Altitude Function Button This way you keep the adjustment menu active for further adjustments Main Menu Setting Altitude values may also be adjusted within the main menu Push and hold the Rotary Button to enter the main menu The display reads settings Push Rotary Button to select altitude Push again to enter the altitude adjustment menu Any available adjustment functions display by turning the Rotary Button Press the Rotary Button to confirm the value you like to change Set altitude to desired value by rotating the Rotary Button and confirm with a brief push The display will r
29. x A f d CO tans RENSCHLER CoMo AV Instruction Manual O longer h mng art stop er SS Your CoMo is one of the most versatile well featured and easy to operate flight instrument systems To provide you with the most straightforward access the manual is divided into 8 chapters For rapid access the first chapter gives the important instructions keys functions settings displays and menus A more detailed description of the individual instructions and functions is given from chapter 2 on Chapter 3 outlines the software status The table of contents is found on page 9 1 CoMo AV Rapid Access 1 1 The CoMo AV Keyboard For easy operation the Keys Push Buttons are arranged in two groups The Function Group is on the right hand side of the instrument and the Adjustment Group is along the bottom The onloff Button in contrast to most other flight instruments the CoMo is equipped with a real onloff Button A short push will turn the CoMo on A long push will turn it off again In adjustment mode this button assumes the exit function False inputs may be reset by a short push Push repeatedly to leave the menu Adjustment Group Adjustments can be performed by the keys in this section They will be mainly used before take off or after landing Explanation of symbols long push a profile menu Rotary Button
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