M2/M3 BFV: FIRE CONTROL SYSTEM - OD1608 - LESSON 1/TASK 3
FIGURE 20.
REPOSITIONING THE BACKUP SIGHT EYEPIECE.
(d) Check that the eyepiece is locked in the new position.
The lock lever is spring loaded. Make sure that the lock lever has
snapped into the slot on the flange joint (refer to figure 20).
(2) Focus the Backup Sight.
The eyepiece diopter focuses the
backup sight and must be adjusted for each operator.
To focus the
diopter, look through the eyepiece on the backup sight and
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