index mark

index mark

A physical hole or notch, or a recorded code or mark, that is used to identify a starting point for each track on a disk.
References in periodicals archive ?
FOOTSIE INDEX Mark tweeted pictures of Michelle, left, and the couple's feet
Its index mark of 57 was the sixth consecutive quarter with a RMI reading over 50.
Credit Agricole said that in the UAE, the PMI index mark improved slightly to 57.
Q In your articles you some times mention an index mark.
50 York Buy at 14 on index Mark Johnston's three-year-old beat the older horses with a relentless charge in the home straight in the Rose of Lancaster over 1m4f at Haydock last time.
9 line counts available from 100 to 1,000--all resolutions include an index mark.
Its features include 12- to 48-vdc supply input, internal magnetic or external optical encoders with multiple line counts and index mark, and an extended operating range of -40 to 85 C.
Features include 12 to 48 VDC supply input, choice of internal magnetic or external optical encoders with multiple line counts and index mark, and an extended operating range of -40[degrees]C to 85[degrees]C, providing long life, trouble free service in demanding environments.
Now you just sight in your next distance or bullet weight and slide an index mark ring around so the index mark indicator on the ring is aligned with the index mark at the base of the turret.
Dials are ridged, making them easier to operate with gloves, and each has an index mark for making adjustments in tactical situations.
If the barrel is removed and then reinstalled, it is easy to make sure it is properly, positioned or "indexed" by checking the position of these two index marks.
10 Goodwood Buy at 7 on index Mark Johnston has claimed two of the last nine runnings of this 1m2f handicap, while class has often been a factor as four of the previous nine winners carried 9st 5lb or more.