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3 OVERVIEW
3.1 Front Panel
The front panel consists of a 4-digit LED display, 8 LED annunciators and 4 keys.
Annunciators
1. REL 1 Displayed when Relay 1 is activated
2. REL 2 Displayed when Relay 2 is activated
3. MEAS Displayed in measurement mode
4. CAL Displayed in calibration mode
5. SETUP Displayed in setup mode
6. pH Unit of the displayed parameter (pH)
7.
o
C Unit of the displayed parameter (temperature)
8. mV Unit of the displayed parameter (ORP)
Keys
9. MODE Use to toggle between measurement
modes (pH/ORP and temperature)
10. ENTER Press to confirm changes or to enter into
further levels of the lower menu
11. ▲ / ▼ (increment /
decrement)
Use during calibration and setup modes to
increment or decrement . Press both keys
together in calibration and setup modes to
escape to Measurement mode
12. Full 14-segment display
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