User manuals for set-top boxes.
3500:
https://northwestel.zendesk.com/hc/article_attachments/202873469/DCX3510-M_User_Guide.pdf
3400:
https://northwestel.zendesk.com/hc/article_attachments/202873459/DCX3400_User_Guide.pdf
3200:
https://northwestel.zendesk.com/hc/article_attachments/202873449/DCX3200_User_Guide.pdf
Have Pulse TV? See the Pulse TV Smart Guide section:
https://support.nwtel.ca/hc/en-us/sections/360000219123-New-Pulse-TV-Smart-Guide