2.3 Remote Controller
It uses two AAA size batteries.
Open the battery cover of the Remote Controller.
Place batteries. Please take care of the polarity (+ and -).
Replace the battery cover.
Fig 2-6 Remote Controller
Key points to check in case the remote doesn’t work.
1. Check batteries polarity and the remaining charge in the batteries.
2. Check IR controller sensor for any masking.
3. Check the ID of the remote with respect to the NVR.
If it still doesn't work, please try using a good known remote, or contact your dealer.