ft5dr

I am a novice and I recently bought a yeasu FT5D and I am trying to listen to specific frequency and I notice that some frequancies have 3 number after the decimal point and some have 4 I am not sure how to key in a frequency with 4 number after the decimal point help would be greatly appreciate.

I was cleaning up my office and ran across a pair of Motorola NTN8867A handmics that I can't remember when I got or why. My best guess is they were at a thrift store or something. I'd like to use these on a pair of Yaesu HTs I have, an FT2DR and an FT5DR. Unfortunately natively the handmics...