Honeywell Arm Mount Sled Quick Start Manual page 14

2. Align the sled assembly with the arm band and press on the sled until it
latches onto the arm band. Be sure to align tabs on the back of sled with
the notches on the arm band. The end of the sled with the ring scanner
connector must face toward the hand.
3. If using the ring scanner, slide the ring scanner over the index finger and
adjust the strap for a comfortable fit.
4. To remove the sled assembly, unbuckle and loosen the straps. It is not
necessary to remove the strap from the buckle.