M2616 Handsfree Set
Key 1 is the bottom key on the right column.
Keys 2 to 7 starts from the key above key 1 counting up.
Key 8 is the bottom key on the left column.
Keys 9 to 14 starts from the key above key 8 counting up.
Program is the topmost key on the right column.
Handsfree/Mute is the topmost key on the left column.
M2008 and M2008HF
Key 1 is the bottom key.
Keys 2 to 8 starts from the key above key 1 counting up.
NOTE
M2008HF has the top two keys reserved for HandsFree/Mute and Set Program Functions.
M2006
Key 1 is the bottom key.
Keys 2 to 6 starts from the key above key 1 counting up.