Luminox Standard - Manual (Page 4)

Setting the 2nd time zone or the 24-hour time display
(in stead of a.m./p.m. time dis play):
Pull out crown B to position 1.
Rotate counter clockwise until the indicator (I) shows the desired time in the 2nd time zone or
the 24-hour scale.
Push in crown B to its normal position.
To Set the 2nd Time Zone
(GMT models only)