Are the keypad keys illuminated? The one I just received does not have the keys lit, so it’s impossible to enter codes in darkness.
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I know it’s not the best solution, but a little workaround! - You could trace the letters on the keypad with one of this pencils, what have a white ink in it, what loads itself on daylight and lights really strong in darkness, - the letters on watchfaces (and much other things) are also very often made with it, but I don’t know the specific name yet.