Thermo Fisher Scientific Alpha pH 190 (In the process of updating the brand guideline & product image) - Manual (Page 9)

- 3 -
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. CAL / ENTER Use to enter Calibration mode.
Use also to enter into levels of the Setup mode
and to confirm changes made.
11. SP1 / ▲
SP2 / ▼ Use to enter Set Point 1 (SP1) or Set Point 2
(SP2) adjustment mode.
Use as increment or decrement keys during
Calibration and Setup modes.
Use both keys together in Calibration and
Setup modes to escape to Measurement
mode.
12.14-segment display
SP1 CAL
ENTER
MODE
pH 190 Series
SP2