PreArm: Check mag field:  178, max 875, min 185


PreArm: Check mag field:  179, max 875, min 185


PreArm: Check mag field:  184, max 875, min 185


PreArm: Check mag field:  182, max 875, min 185


PreArm: Check mag field:  185, max 875, min 185


PreArm: Check mag field:  180, max 875, min 185


PreArm: Check mag field:  183, max 875, min 185