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Help with my celestron nexstar 130 slt

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Hand controller keep displaying BOOTLOADER invalid pkg: 0080,

I have looked up on internet I need to update my hand controller, ( I may be wrong on this) I have bought a cable off eBay and usb converter cable to connect it to my computer.

I have downloaded some software called HCupdate and installed a driver for usb converter on my computer.

The HCupdate program tells me to press info and undo buttons on my controler to put it in tranmit data mode, but my control dosent do this for me ?

My hand controller is the new one with celestron symbol on bottom left hand button and the nexstar logo under the display screen

Please help as this is doing my head in, only hand the telescope 11 months and a little feed up it broke all ready

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