devention DEVO-7 User Manual page 154

3.2）Mix amount setting when elevator stick moved downward: Press R or L to
decrease or increase, separately, the mix amount. It is possible to reverse mix
direction through changing the plus or minus sign before amount. The adjustable
range is ±125%.
3.3) Pos 1 setting:The setting is same as above.
4）Offset setting: can start from some position through switch stick in "slave channel "
interface to set the mix.
The setting is same as above.
DEVO-7 Page 154 of 170