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4
Power/BLE (Bluetooth)-
Press and hold this key for 2 seconds to power on
and shut off the meter.
In the measure mode, press this key to turn
Bluetooth on or off.
5
Mea./Eff.-
This key is used to bring the unit out of the AUTO
condition when operating in the pH-AUTOLOCK
or mV (RmV)-AUTOLOCK mode.
In the pH measure mode, press and hold this key
for 5 seconds, the LCD will display the efficiency
of the electrode and offset value.
In the ORP measure mode, press and hold this
key for 5 seconds, the LCD will display the offset
value of the electrode.
In the Conductivity, Salinity or TDS measure
mode, press and hold this key for 5 seconds, the
LCD will display the electrode cell K value.
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Up & Down-
In the pH/ORP/conductivity/salinity/TDS measure
mode, these two keys are used to manually enter
the temperature values. They have no effect on
the unit when operating in ATC mode.
In the ORP and conductivity calibration mode,
these two keys are used to adjust the RmV,
conductivity display value or K value.
In the “Recall” mode, view saved data and data
storage site number by pressing these keys.
In the “Delete ALL” mode, select between the
“YES” and “no” for data all delete.
In the “Delete One” mode, view to be deleted data
and data site numbers by pressing these keys.
OPERATIONAL PROCEDURES
A. pH Buffer Set Selection
The 6377MB/6377BEU meter has two buffer sets: 1.68, 7.00,
4.01, 10.01, 12.46 pH and 1.68, 6.86, 4.00, 9.18, 12.46 pH.
To change the buffer set, turn off the unit, then press and hold
the
“Stand/Cal”
key while turning on the unit again.
[Note:
There is no need to repeat this procedure every time
the unit is power up unless one decides to change the buffer
settings.]
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