617-249 Product Manual and FAQ In this article Looking for the manual for this item? Click the matching model number of your unit below. Model numbers are located on the back of the display around the battery cover. Model #617-249 Model #617-249V2 Related articles 617-249 Time Zone Setting Manuals - Where can I find a manual for my station? How do I set or reset my atomic clock? 617-249 AM/PM Indicator 616A-56647 / 616A-1908 Product Manual