6
1) Liquid Crystal Display (LCD).
2)
Range
key, to select pH or mV range (
HI 98150
&
HI 98160
only).
Setup
key, to enter/exit SETUP mode.
3)
On/Off
key, to turn the instrument ON and OFF.
4)
CAL
key, to enter/exit calibration mode.
GLP
key, to display Good Laboratory Practice information.
5)
2nd
key, to select second key function.
6)
key, to manually increase temperature or other parameters.
Mode
key, to select measurement resolution, 0.1 pH / 0.01 pH,
or to toggle between mV and Rel mV (
HI 98150
&
HI 98160
only).
7) USB connector.
8) Battery compartment cap.
9) Temperature probe socket (
HI 98160
).
10) BNC electrode connector (
HI 98160
).
11) DIN connector for SMART electrode (
HI 98140
&
HI 98150
).
12)
key, to manually decrease temperature or other parameters.
RCL
key, to enter/exit view logged data mode.
13)
Log
key, to store measured data.
CFM
key, to confirm calibration point, confirm delete record or
confirm different set values.
14)
AutoEnd
key, to freeze first stable reading on the LCD.
CLR
key, to clear calibration or enter delete logged data screen.
15)
Light
key, to toggle display backlighting.
16) Secondary LCD.
17) Primary LCD.
