Hanna-instruments HI 8711 Manuale Utente Scaricare il pdf (Pagina 16)

Trimmers

CAL For ORP calibration

ΔALARM To display and set the alarm tolerance

SET/COARSE To coarsely adjust the setpoint

SET/FINE To finely adjust the setpoint

LEDs

OXID (Blinking) Show that the oxidant dosage is active

RED. (Blinking) Show that the reductant dosage is active

ΔALARM (Blinking) Indicate an active alarm

DOSAGE MODE SWITCH Blinks when the dosage switch is in OFF

or ON position.

Switches

OFF/AUTO/ON

To set the dosing mode:

• OFF - dosing is disabled

• AUTO - automatic dosage, dependingon setpoint value

and dosing selection

• ON - dosing always active

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Hanna-instruments HI 8711 Manuale Utente Pagina 16