Garmin HM210DP/DI - Manual (Page 111)

Viewing DSL Line Information
EN/LZT 108 6492 R2 - October 2003 103
The DSL Statistics page reports error data relating to the last 15 minutes
interval, the current day, and the previous day.
At the bottom of the page, the Detailed Interval Statistic table displays
links you can click to display detailed data for each 15 minute interval in the
past 24 hours. For example, when you click on 1-4, data displays for the
15-minute such intervals that make up the previous 4 hours (there are 16 of
these) shows one such page.