follow the instructions that come with the action replay
What is Input Display on action replay ds?
An Action Replay (AR) Is A Cheat Code Device For DS
Sadly, no, but if you have an Action Replay DS, you can input a code that will give you the Manaphy egg. To get the code, check the answer to "Action Replay codes for Pokemon Diamond?".
Answer: Sure, theirs probably a Ho-oh code for the DS Action Replay.
You cannot: You need the Action Replay DS to input the codes for your games.
you can find an action replay code at code junkies or :type "action replay codes for harvest moon ds cute
See the related link for a download of the Action Replay DS Code Manager (USA), from Filetrip (GBAtemp).
you need to insert your action replay into youre ds, then connect up to your pc, and then you need to turn on you ds and go on to action replay
is your ds on? if it is, then you action replays broken
you type it in manually or use action replay code manager
using an action replay or by an r4 or r4i
download the code manger disc, then plug in your action replay with the cord, turn on your ds, open up code manger, find a code you want under the tabs, drag the name of the game, then drop it in Nintendo ds