User manual

H70.0.21.6C-01 Operating Manual GMH 3511 page 5 of 14
4 Handling
4.1 Display
1
Main display: pH value,
ORP value (mV, mV
H )
2
Display elements to show minimum/maximum/
memorized measuring value
3 Arrows to selected measuring unit
4 Warning signal (low battery or recalibration prompt)
5
atc arrow: indicates if temperature sensor is
connected and therefore automatic
temperature compensation is active (only
for ‘pH’ and ‘mV
H ’ measuring mode)
6
stab arrow: indicates stable measuring value
7
cal arrow: indicates a running calibration
(at operation mode ‘pH’).
8
Secondary display: temperature value
9
No function
4.2 Pushbuttons
On / off key
+
min/max when taking measurements:
press shortly: min. or max. meas. value so far will be
displayed
press for 2 sec.: the min. or max. value will be deleted
Configuration: to enter values, or change settings
Cal: only at mode ‘pH’:
press shortly: display of electrode state rating
(electrode symbol +bar graph display)
press for 2 sec: start pH calibration
Set/Menu:
press shortly: at ‘pH’ and ‘mV
H ’:
manual temperature input (if no
temperature probe is connected)
press for 2 sec. (menu): invoke configuration menu
Store/Quit:
Measuring: hold and save current measuring value
(‘HLD’ is displayed)
Set/Menu: confirm settings, return to measuring
123
456
ON
OFF
max
Store
CAL
min
Set
Menu Quit
pHmV mV
H
rH
ATC ok CAL AL Logg pH
mbar