Take the screws out of the back, pull the lid off. there should be something that looks like this thats red, it should be near the battry. Pull it off for a few seconds and replace.
Take the screws out of the back, pull the lid off. there should be something that looks like this thats red, it should be near the battry. Pull it off for a few seconds and replace.
if i may ask what do u want to pull the jumper for
if u pull the jumper u will reset the net id to 99999
and the pin to 0000
and the default frequecy to 666.750
then u will need a rs232 or a scart to serial adapter to sort the netid out??????