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Firmware update

Once the Jb-L20 is connected to the USB cable the charge will start, but by USB is 

also possible to update the firmware.  To avoid complica on we created a method  

that does not require drivers installa on. That’s the u lity of the bu on 

firmware 

update

. If you connect Jb-L20 to a Windows 7, the OS will inform you that drivers 

are not installed, Windows 10 instead will install drivers automa cally, however 

we will not use them. Instead we will reenumerate the USB that will be recognized 

as USB HID  peripheral, thus not requiring drivers.    

Press 

Btn DOWN

Then confirm by 

Jp bu on

When  the  text  on  the  right  will  appear  you 

should read, and press Jp one more  me. Don’t 

be  alarmed  if  the  screen  will  be  empty...  The 

instrument  is  just  in  USB  HID  mode,  ready  to 

receive  the  update  by  USB.  Just  launch  the  file 

you  downloaded  from  www.jbvario.com.  Don’t 

disconnect un l you read on the LCD

This message will disappear in few seconds and 

then the charging screen will appear again.

Содержание Jb-L20

Страница 1: ...stands for ver cal Volume icons 100 50 MUTE Then we have Unit can be meters or feet The al tude in rela on to the takeoff It is set to 0 when you turn on Jb L20 Then there is a chronometer that starts in the moment you turn on It can be reset by Btn DOWN The ba ery last about 15 hours when the icon starts to blink you s ll have about 1 hour of flying me remaining and The analogical bar shows the ver...

Страница 2: ... be taken in the First Menu page PWR OFF switches off the instrument just a er you confirm by pressing the Jp bu on Fly Mode takes you back to the Flying mode page LED is the back light you need to select it with the Jp bu on and then change the value to on by the bu on down or up then you need to confirm with the Jp bu on You can fly with the back light on if you like the effect of black on white but ...

Страница 3: ...edback It means you are going down vol the volume can be set to 100 50 or MUTE snd you can choose between 2 different type of sounds RELAX has a lower frequency Jb CLASSIC has higher frequency like the Jb MINI the previous model without display res RESPONSIVENESS how fast you want the instrument reacts to thermals and how fast you want V and V are updated Responsiveness can be NORMAL or FAST NORMAL...

Страница 4: ...ange the contrast of the display Already set to op mal contrast but if you want to adjust it is possible LNG language English or Chinese can be set Factory Reset if you Jp on that the instrument is reset to factory values Charging the Jb L20 Simply connect the instrument to a micro USB cable The Jb L20 will be charged in about 3 hours if the ba ery is completely flat ...

Страница 5: ...l drivers automa cally however we will not use them Instead we will reenumerate the USB that will be recognized as USB HID peripheral thus not requiring drivers Press Btn DOWN Then confirm by Jp bu on When the text on the right will appear you should read and press Jp one more me Don t be alarmed if the screen will be empty The instrument is just in USB HID mode ready to receive the update by USB J...

Страница 6: ... able HIGH LOW MUTE 2 Sound modes se able Jb CLASSIC and RELAX Durable Scratch Resistant Acrylic panel cover the LCD back light available OLD GUY MODE if set to on increases the size of the numbers in the main screen so you don t need reading glasses while you are flying All the se ng will be stored in memory and will be retained even if the ba ery is drained flat or removed Unit of measure se able ...

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