Hach EC1000, Instruction Manual

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Table 18 Diagnostic Test Menu
Key Option Sub Menu Description
(Press ENTER
and CLEAR
simultaneously
for Diagnostic
Menu) DISP TST NONE Perform a display pattern test
RLY TEST NONE Perform a relay open/close test
SIO TEST NONE Perform a SIO loop-back test
REC TEST ZERO Drive recorder output to full scale
FS Drive recorder output to zero
1/2 FS Drive recorder output to 1/2 scale
CTRL TST ZERO Drive controller output to zero
FS Drive controller output to full scale
1/2 FS Drive controller output to 1/2 scale
D/A TEST NONE D/A - A/D loop test (jumper must be installed)
CAL DFT PH DFT Sets the pH probe calibration to default values
MV DFT Sets the mV offset to the default of zero
TEMP DFT Sets the temperature probe calibration to default values
COLD SRT NONE Perform a cold start
KEYLOCK .NONE Set keyboard lockout code
INP CAL 4MA MV Calibrate 4 mA input current loop on mV input
20 MA MV Calibrate 20 mA input current loop on mV input
4 MA TEM Calibrate 4 mA input current loop on temperature input
20 MA TEMP Calibrate 20 mA input current loop on temperature input