Hanna Instruments HI 8711 - Manual (Page 16)

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