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 mode selection switch is in the upper
position, indicating that the selected range is % DO.
mg/L LED
It is on if the mode selection switch is in the lower
position, indicating that 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).
Δ
ALARM LED
In MEASURE mode it is OFF or blinking (25% ON) in
accordance with the alarm status (inactive/active).
In
Δ
ALARM 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
LED INDICATION
LED INDICATION
LED INDICATION
LED INDICATION
