There are 2 ways to talk to Alexa: either ask 'Alexa, Open Netgem TV' first and then ask for a command 'Go to channel 1' or all-in-one go:
These are the list of commands Alexa responds to
To go to a channel:
Alexa, ask Netgem TV to go to channel 1,
Alexa, ask Netgem TV to Tune to Channel 103
Alexa, ask Netgem TV to Change to BBC Radio 1
Search in Live TV content
Alexa, ask Netgem TV to Search Frasier
Alexa, open Netgem TV, find programme called Frasier
Alexa, open Netgem TV, search for Peppa Pig
Search in Amazon Prime Video
Alexa, ask Netgem TV to Search Grand Tour
Alexa, ask Netgem TV to Find Tick
Watch Live TV programme
Alexa, open Netgem TV Watch Homes Under the Hammer
Play a content from any app that is available in the Hubs
Alexa, open Netgem TV, play Grand Tour
Launch App
Alexa, ask Netgem TV to Launch Amazon Prime Video
Alexa, ask Netgem TV to Go to Hopster
Alexa, ask Netgem TV to Start Radioline
Turning on Bluetooth source
Alexa, ask Netgem TV to Turn On...
Changing source from Bluetooth to TV
Alexa, ask Netgem TV to Switch to {AUX/ TV(standard)/ TV(Lounge)/ TV(Bass Boost)/TV(Dynamic)
Alexa, ask Netgem TV to Turn off {Bluetooth}
On / Off
Alexa, open Netgem TV, Power On
Alexa, open Netgem TV, Power Off
Help
Alexa, open Netgem TV, Get Help
Pause / Play
Alexa, ask Netgem TV to Pause
Alexa, ask Netgem TV to Play
Navigation
Alexa, ask Netgem TV to Select/ OK
Alexa, ask Netgem TV to Move Up/ Down
Alexa, ask Netgem TV to Move left / Right
Guide
Alexa, ask Netgem TV to Show Programme Guide, TV Guide , Guide
Changing volume
Alexa, ask Netgem TV to Mute / Unmute
Alexa, open Netgem TV Set volume to 5
Alexa, ask Netgem TV to Volume up /Down
Alexa, ask Netgem TV to Louder/ Quieter