Thread: Running programs from SD on nuvi

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. There is description of how to remove demo mode from Nuvi 1690. Since nuvi is not accessible from PC, Garmin offered package 1690_demoremove.zip, which should be unpacked to SD. When SD is inserted into nuvi, demo will be disabled.

Package consist of 2 files:
\Garmin\Updater\1132\LDR.bin
\Garmin\Updater\1132\update.txt

update.txt contains commands:
del,0:/Garmin/demo/demo.srf
reboot

LDR.bin seems to be a program, that is executed by nuvi. Inside LDR.bin there is some kind of help text with possible commands:

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Program seems to be specific to nuvi 1690, number 1132 is HID of nuvi 1690.
Some more information about general usage of SD text commands can be found in this [Only registered and activated users can see links. ].