Operational Matrix - Extech Instruments ExStik EC500 User Manual

Operational Matrix

Function /
Resulting Action
On/Off
Calibration
Store Reading
Hold Release
Enter Memory
Retrieval
Scroll Stored
Readings
Exit Memory
Retrieval
Clear Stored
Memory
Change
Measurement Mode
Enter Cond/TDS
Ratio
Change Cond/TDS
Ratio
Exit Cond/TDS
Ratio
Change
Temperature Units
Override Auto
Power Off
Default Reset
Power Mode
Status Setting
On or Off Any
On pH or
Conductivity
On Any measure
mode
On While In Hold
Mode
On Any measure
mode
On Memory
Recall
On Memory
Recall
On Any Measure
Mode
On Any
On TDS (ppm or
mg/l)
On TDS ratio
On TDS ratio
Off n/a (off
mode)
On Any measure
mode
OFF n/a
Required Key Press Sequence
Momentary press of the ON/OFF key
Press & hold CAL/RECALL key for 2
seconds, until it enters CAL function
Momentary press of the
MODE/HOLD key
Momentary press of the
MODE/HOLD key
Momentary press of the
CAL/RECALL key followed by a
momentary press of the
MODE/HOLD key (Within 4 seconds)
Momentary press of the
MODE/HOLD key
(Displays "last in first out")
Momentary press of the
CAL/RECALL key
Press and hold the ON/OFF key for 4
seconds, until "clr" is displayed.
Press and hold the MODE/HOLD key
for at least 2 seconds (the modes will
scroll by until the key is released)
Press and release the CAL/RECALL
key twice in quick succession
Momentary press of the
MODE/HOLD key (each key press
increases the ratio by 0.1, the value
cycles from 0.4 - 1.0)
Momentary press of the
CAL/RECALL key
Press and hold the CAL/RECALL key
then momentarily press the On/Off
key. Release the CAL/RECALL key
after the "SELF CAL" lights
Momentarily press the CAL/RECALL
key then simultaneously press and
hold the ON/OFF & MODE/HOLD key
for approximately 2 seconds, until
"oFF" is displayed
Simultaneously press ON/OFF,
CAL/RECALL and MODE/HOLD
momentarily. "dFLt" will be displayed.
9 EC500-EU-EN-V2.4-2/11