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8
SIMPLE COMMANDS
RNG Is equivalent to pressing the RANGE key
CAL Is equivalent to pressing the CAL key
CFM Is equivalent to pressing the CFM/GLP key
UPC Is equivalent to pressing the UP arrow key
DWC Is equivalent to pressing the DOWN arrow key
SET Is equivalent to pressing the SET/CLR key
COMMANDS REQUIRING AN ANSWER
pH? Causes the instrument to send the pH reading (Err 1 is sent if
out of range). If the range is set to mV, Err 6 is received.
MV? Causes the instrument to send the mV reading (Err 2 is sent if
out of range). If the range is set to pH, Err 6 is received.
TM? Causes the instrument to send the temperature reading
(Err 3 is sent if out of range).
MDR Requests the instrument model name and firmware code.
PAR Requests the setup parameters (instrument ID, calibration alarm
time-out, pH range, beep status).
NSL Requests the number of logged samples.
GLP Requests the calibration data record.
LOD xxx Requests the xxx
th
record logged data.
LOD ALL Requests all logged data.
Invalid commands will be ignored. The characters sent by the instrumentare
always capital letters. When the instrument receives an unknown or a cor-
rupted command, it will send a character CAN (ASCII Code 24).
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