HIKVISION DS-2CD2942F-I Quick Start Manual page 12

Network Fisheye Camera·Quick Start Guide
3. Re-cover the reset button and micro SD card slot.
Micro SD / Reset Cover
Micro SD Card
①
②
Figure 1-2 Install the SD Card
Press RESET about 10s when the camera is powering on or rebooting
to restore the default settings, including the user name, password, IP
address, port No., etc.
12