First thing you need to do is cleanse it as normal - I find that either salt and running water or the full moon will do this. You need a bag, scarf or box to store it in as well - whatever appeals to you.
When you first use it you need to hold the chain/cord in your least dominant hand and think of the word "yes" and note which way the pendulum swings/rotates. Then clear your mind - the pendulum should stop swinging and go back to being stationary. You then need to think of the word "no" and note which way the pendulum swings/rotates. Then clear your mind - the pendulum should stop swinging and go back to being stationary. Repeat this three times, each time the response should become clearer - you pendulum is then attuned to you.
When asking questions I always find it useful to repeat a single "yes, clear, no" to make sure that the answer to my question is going to be a motion that I am familiar with.
As you advance, you can ask more complex questions, that involve different motions and a number of motions as well as degree of motion - for example how open.... more motion = more open.
You can also add in "don't know" and "don't care to answer"





