Panasonic GM1 Series Reference Manual page 63

Name
Gain value
● The offset value is corrected to a value corresponding to the resolution of the output range
before scale conversion regardless of whether scale conversion is set or not.
WUME-GM1AIO-01
Default Description
Setting range: -3000 to +3000
Set the gain value.
10000
Setting range: +9000 to +11000 (multiplied by 0.9 to 1.1)
6.2 Offset / Gain Processing Function
6-5