ASTRO AOMM-FHM2 Operating Manual page 23

Operating the device
Operating manual AOMM-FHM2 -
The button can be used to delete the reference value.
Short press is to delete the reference value in the current
wavelength to "0,00 dBm". Long press is to delete all the reference
values in all wavelengths to "0,00 dBm".
The button can be used to store the current reference setting.
Press this button to store the current reference setting in the instru-
ment. The stored data will be saved even when the power is off. The
instrument will return to the measuring state and the unit will return
to "dB" after the storage. The reference value is displayed but not
saved before pressing the "REF" button. No data will be restored if
it is not saved by pressing the button before the power is off.
The button can be used to discard the reference value of the
current setting.
DRAFT VERSION
Press this button to discard the reference value of the current
setting and all the setting data are not saved. The instrument will
return to the original state. It will go back to the measuring state and
the unit will be shifted to "dB".
Operating in „History Data" mode
Use this mode to store and recall measured data. You can enter this
mode by prsssing the
The button can be used to scroll upwards through the stored
data sets, numbered from 001 to 999.
E.G. the current value is saved to number 001, short press to check
the stored value numbered 999. Long press for over 2 seconds to
check the stored value numbered 990.
Version 11-2021A
button.
page 23