4.2
Key controls
Press and release
- Meter on/off
- Start or endpoint measurement
- Back to measurement mode
(ignore the input)
- Start calibration
- Switch between pH, mV, rel. mV and
ion concentration modes
METTLER TOLEDO SevenGo pro™ pH
Softkeys
Press and hold for 2 seconds
- Switch on/off auto-off override (switch-
es off the meter after 15 minutes)
- Backlighting: on/off (when backlighting
is on, the meter switches on back-
lighting at the stroke of any key for a
user defined period of 10, 15 or 30
seconds.)
Operation
9