Step 1
Plug in the AC power adapter to the wall, then plug the other end into the bottom of your D904 charging base. Let your headset charge until the battery LED lights are fully illuminated. 
Step 2
Plug one end of the included phone cord into the bottom of your Discover D904 headset charging base with the desk phone symbol.
Step 3
Plug the other end of your phone cord into the back of your desk phone to the HEADSET port.
Step 4
In order to use your D904 headset, take the headset out of the charging base. Then to answer/end calls press the HEADSET button on your desk phone. *In order to answer/end calls from the earpiece when away from the desk phone, you'll need the DHL110 Handset Lifter or Electronic Hook Switch cable.
Contact us today to verify the best compatible accessory for your phone. For other helpful setup guides, follow the Discover D904 wireless headset resource center.
