Explore Videos Explore VideosIntroductionWhat are the features on my transmitter?How do I adjust the range on my transmitter?How do I check the size of the signal field?How do I adjust the collar strap to fit my pet?How does the receiver attach to the collar?How do I use the test light?What are the features on my receiver? (Models R7, R8 & R9)How do I replace the battery on my R9, R12 or SmartCollar receiver?How do I change the training level on my R9 receiver?How do I replace the battery on my R7mini or R12mini receiver?How do I change the training level on my R7mini receiver? Explore Videos Introduction What are the features on my transmitter? How do I adjust the range on my transmitter? How do I check the size of the signal field? How do I adjust the collar strap to fit my pet? How does the receiver attach to the collar? How do I use the test light? What are the features on my receiver? (Models R7, R8 & R9) How do I replace the battery on my R9, R12 or SmartCollar receiver? How do I change the training level on my R9 receiver? How do I replace the battery on my R7mini or R12mini receiver? How do I change the training level on my R7mini receiver? Introduction