Extech Instruments ExStik EC500, Руководство пользователя

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9 EC500-en-US_v2.9 7/20
Operational Matrix
Function /
Resulting Action Power
Status Mode
Setting Required Key Press Sequence
On/Off On or Off Any Momentary press of the ON/OFF key
Calibration On pH or
Conductivity Press & hold CAL/RECALL key for 2
seconds, until it enters CAL function
Store Reading On Any measure
mode Momentary press of the
MODE/HOLD key
Hold Release On While In Hold
Mode Momentary press of the
MODE/HOLD key
Enter Memory
Retrieval On Any measure
mode Momentary press of the
CAL/RECALL key followed by a
momentary press of the
MODE/HOLD key (Within 4 seconds)
Scroll Stored
Readings On Memory
Recall Momentary press of the
MODE/HOLD key
(Displays last in first out )
Exit Memory
Retrieval On Memory
Recall Momentary press of the
CAL/RECALL key
Clear Stored
Memory On Any Measure
Mode Press and hold the ON/OFF key for 4
seconds
Change
Measurement Mode On Any Press and hold the MODE/HOLD key
for at least 2 seconds (the modes will
scroll by until the key is released)
Enter Cond/TDS
Ratio On TDS (ppm or
mg/l) Press and release the CAL/RECALL
key twice in quick succession
Change Cond/TDS
Ratio On TDS ratio Momentary press of the
MODE/HOLD key (each key press
increases the ratio by 0.1, the value
cycles from 0.4 - 1.0)
Exit Cond/TDS
Ratio On TDS ratio Momentary press of the
CAL/RECALL key
Change
Temperature Units Off n/a (off
mode) Press and hold the CAL/RECALL key
then momentarily press the On/Off
key. Release the CAL/RECALL key
after the "SELF CAL" lights
Override Auto
Power Off On Any measure
mode Momentarily press the CAL/RECALL
key then simultaneously press and
hold the ON/OFF & MODE/HOLD key
for approximately 2 seconds, until
Default Reset OFF n/a Simultaneously press ON/OFF,
CAL/RECALL and MODE/HOLD
momentarily
will be displayed.
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