D-Link DWR-720/PW User Manual page 32

To add a new alarm or edit an alarm, Press [OK]  [Add]  [OK] or [Edit]  [OK]
-Here you can set the time of the alarm. Press [Select] on the selected field and set the time by pressing the
up or down key. Note that the numpad does not work in this section. Press [OK] again to confirm.
-Press the navigation key to move to different settings in this section and [Select] to enable/disable
-Press the right soft key [Save] and then left soft key to [Save] the alarm, or [Cancel] to discard the alarm
-Up arrow: Addition
-Left arrow: Multiplication
-Left soft key: Equal
-Star key: point
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-Down arrow: Subtraction
-Right arrow: Division
-Right soft key: Back/Delete
-For negative number, insert the minus with the
down arrow
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