Fnirsi GC-02 User Manual page 22

5.3 Setting
Long press the settings button to enter the settings
menu. Long press the return button on the settings
page to return to the monitoring page. Press the left
and right keys to switch between setting options,
press the OK key to enter the lower level menu, and
long press the return key to exit the lower level
menu.
5.3.1 Setting of indicator light alarm and buzzer alarm
Switch to the indicator light alarm and press the OK
key to enter the lower menu. Press the up and down
keys to switch options, and then press the OK key to
set it to take effect; Press the left and right buttons to
switch to the buzzer alarm settings, and press the up
and down buttons on the buzzer alarm interface to
adjust the sound level.
5.3.2 Current dose alarm value, cumulative dose
alarm value, and unit settings
Switch to the current dose alarm value and press the
OK key to enter the lower menu. Press the left and
right keys to switch to the cumulative dose alarm
value and unit settings; Press the OK key under the
current dose alarm value and cumulative dose alarm
value to set the alarm value. The unit setting can take
effect by selecting the corresponding unit using the
up and down keys and then pressing the OK key.