TSI Incorporated SIDEPAK AM510, User Manual

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Chapter 3 32
1 to 5. This is the currently active time constant. The value of
that time constant is shown on the second line.
Use the ▲ ▼ keys to scroll through the available time
constants. Press

when the time constant you wish to use is
displayed. The factory-preset choices are:

TIME CONST 1: 1 sec

TIME CONST 2: 5 sec

TIME CONST 3: 10 sec

TIME CONST 4: 15 sec

TIME CONST 5: 30 sec
Editing the List of Time Constants Using TrakPro
software
To program the list of time constants using TrakPro Data
Analysis Software:
1. Make sure the SidePak monitor is connected to the
computer and turned on.
2. Select Parameters, then Time Constants from the
Instrument Setup menu. TrakPro software retrieves the
current time constant settings from the SidePak monitor
and displays them.
3. Enter a value for each of the five available time
constants. (The range is limited to 1-60 seconds.)
4. Select Send .
5. Use the SidePak keypad to make sure the time constant
is set to the value you want to use.
Cal Factor
The cal (calibration) factor is a multiplier that is applied to the
raw data prior to being displayed or recorded. The purpose of
the cal factor is to compensate the readings for aerosols that
have different photometric properties than the aerosol used
during factory calibration.