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Serial Commands
DISPLAYAVG [seconds]
Returns, or programs, the time period in seconds over which the LCD
displayed value is averaged.
FLOWRATE [flow rate]
Returns, or programs, the flow rate [LPM] that is to be maintained. This
cannot be changed while logging.
Flow rate = {1.00, 1.01, 1.02, ..., 3.50} [in LPM]
GAIN [gain number]
A debug facility which returns or programs the front end gain of the
instrument. If you set it, the gain no longer adjusts automatically. To re-
establish auto-gain, use "GAIN 200" or "GAIN A"
Gain number = {0, 1, 2, 3, 4, 5, A} for {1X, 4X, 16X, 64X, 256X, 1024X
and AUTOMATIC}
INLET [integer]
Returns, or programs, the inlet selection from the choices integer = {0, 1, 2}
0 = TOTAL
1 = CYCLONE RED
2 = CYCLONE BLUE
KEY [name of key] [long]
Simulate a key press.
Name of key = {"ESC", "UP", "DOWN", "ENTER" or "ONOFF"}
Long = {"LONG", ""} LONG is typed only if you wish this to be a long
push.
LOGPERIOD [seconds]
Returns, or programs, the logging period in seconds.
MEMORY [percent]
Returns a reading of how much logging memory remains unused. The
response is "V 145 [percentage of memory remaining]"
OUTPUT (or OUT or O) [conc or scat] [temp (C)] [RH (%)] [Pa
(mmHg)]
Returns the current values of the concentrations, temperature, RH and
atmospheric pressure if the pDR-1500 is running.
RHCORRECT [status]
Returns, or programs, the status of RH correction to the computation of
mass concentration.
Status = {"disable" or "off", "enable" or "on"}
Thermo Fisher Scientific
MIE ADR-1500 Instruction Manual
B-3
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Troubleshooting
