picture of dip switches found in battery compartment of remote.

Rolling code type remotes use a LEARN or SMART button for coding.

garage door opener guide

Garage door opener FREQUENCIES	300 Mhz	310 Mhz	312 Mhz	315 Mhz	318 Mhz	340 Mhz	360 Mhz	390 Mhz
Some brands use dip switch style or rolling code	Dip Switch	Dip Switch	Dip Switch	Rolling Code Tech Only	Dip Switch Or Rolling code	Dip Switch	Dip Switch	Dip Switch Or Rolling code
Brands that work under these frequencies	Carper Crusader DigiCode Firefly Heddolf Multicode MultiLink Overhead Skylink Stinger Tec-Key Tri-Code	Carper Delta 3 DigiCode Firefly Linear Moore-O-Matic MultiLink Skylink Stanley Stinger Tri-Code Vemco Whistler	Crusader Heddolf Overhead	Access Master Chamberlain Garage Master Genie Liftmaster Linear Marantec Master Mechanic Overhead Raynor Sears Craftsman Wayne Dalton	Allstar Allister Carper Firefly GTO Linear MegaCode Mighty Mule MultiLink Pulsar Skylink Stinger	Crusader Heddolf Overhead	Crusader Heddolf Overhead	Access Master Bluemax Chamberlain Crusader Firefly Garage Master Genie Heddolf Liftmaster Master Mechanic MultiLink Overhead Raynor Sears Craftsman Skylink Stinger Wayne Dalton