Hydrofarm Active Air HGIOHT Mode D'emploi page 3

SETUP AND OPERATIONS
1. Find the battery chamber
on the back of the unit. Find
the insulation insert that
separates the unit and the
pre-installed battery. Remove
the insulation insert to power
the unit. The current readings
of indoor and outdoor
temperature, indoor humidity,
and default time (12AM) will
be displayed.
2. Press the °C/°F button to
select your preferred unit
of measure in Celsius or
Fahrenheit.
3. Max and Min Readings
• Press the MAX/MIN button
once to show the maximum
records of temperature and
humidity since last reset.
Press again to show the
minimum records. Press
once again return to current
readings.
• Press and hold the MAX/MIN
button for 2 seconds to reset
all the records.
• Records will be erased after
each battery replacement.
All manuals and user guides at all-guides.com
INSTRUCTIONS
4. Time setting
• In normal time mode, the ":"
• Press and hold the MODE
• Press the MODE button
• Press the MODE button again
5. Initial Alarm setting
• In normal time mode, press
• Press and hold the MODE
sign blinks. Press SET button
to switch between 12-hr and
24-hr formats.
button for 2 seconds. The
"minute" will flash. Press the
SET button to change the
"minute" value.
again to save the "minute"
value and the "hour" will
flash. Press the SET button to
change the "hour" value.
to confirm the time setting
and return to normal time
mode.
MODE button once to switch
to alarm mode. In the initial
setup, the ":" sign stops
blinking.
button for 2 seconds to
activate the alarm function.
The bell symbol will appear
and flash, and the "minute"
alarm setting will flash. Press
the SET button to change the
3