Vaisala HMM100 - Manual (Page 48)

User's Guide _______________________________________________________________________
46 ___________________________________________________________________ M211024EN-C
selected analog output mode (voltage or current) so you do not have to
specify the unit.
Before testing, check the currently set analog output mode using the
AMODE command. After testing the output, give the ATEST command
again to exit the test mode.
ATEST [xxx]<cr>
where
xxx
= Analog channel output value (V or mA)
Example:
>atest 2.5
2.500000, 587f
>
>atest
>