Hanna Instruments HI 8410 User Manual

Page 17

All LEDs above the keys or near switches indicate the state of each
function, whether it is active or the display is indicating the mode.

% DO LED

It is on if the selected range is % DO.

mg/L LED

It is on if the selected range is mg/L..

OFF/AUTO/ON LED It is on when the switch is in OFF (dosage disabled)

or in ON (dosage continuous enabled) position.

SET LED

In MEASURE mode it is OFF or blinking (25% ON) in
accordance with the dosage relay status (inactive/
active).
In SET mode it is ON or blinking (75% ON) in
accordance with the dosage relay status (inactive/
active).

ΔALARM LED

In MEASURE mode it is OFF or blinking (25% ON) in
accordance with the alarm status (inactive/active).
In ΔALARM set mode it is ON or blinking (75% ON)

in accordance with the alarm status (inactive/active).

MEASURE LED It is ON while the instrument is in MEASURE

mode.

SALINITY g/L LED It is ON while the instrument is in SALINITY set

mode.

100% TEST LED It is ON when the 100% TEST key is pressed.
°C LED

It is on when the °C key is pressed and the
temperature is displayed.

LED INDICATION