Did your disc not come with an instruction booklet? Also if you press the up key on your remote whilst in a test, an explanation of what it does and what you are looking for comes up. Otherwise you could try here: Home | Spears & Munsil
Did your disc not come with an instruction booklet? Also if you press the up key on your remote whilst in a test, an explanation of what it does and what you are looking for comes up. Otherwise you could try here: Home | Spears & Munsil