Yes, you can disable/re-enable DHCP on AmberPRO; DHCP is turned on and enabled by default .
1. Open a web browser and go to http://latticerouter.local
2. Login to Amber Router (default password is admin1234).
3. Click LAN on the left under Network. You can enable or disable DHCP here. If DHCP is enabled, you can also set the starting and ending IP addresses, primary DNS and gateway IP addresses, and lease time.
Note that if you disable DHCP and your AmberPRO is your primary router, newer devices connected to your network may have connectivity issues. Disabling is performed on the admin's discretion.