HF scientific Micro1000 Laboratory Turbidimeter - 0-10,000 NTU - Manual (Page 22)

Rev. 3.2 16
This feature allows you to select the function of the serial port on the instrument. There are two
options to choose from: Off and Timed Output. Select the RS232 option by pressing either the Sor
T keys. When you have selected the proper function, press the key.
Off: When the RS232 port is turned “Off” you may obtain a printout of the displayed
turbidity level each time you press the key in normal mode.
Timed Output: Several automatic printing times are available: 5 sec, 30 sec, 1 min, 5 min,
10 min, 15 min, 30 min and 60 min. If you selected this option, the instrument will print
out the average turbidity level, time, and date for the interval that you select. The timing
for the interval starts at midnight.
If you selected to turn off the RS232 port, pressing the key will send you to the portion of the
code that sets up the date. If, on the other hand, you selected to either turn on the printing function,
pressing the key will cause the Baud block to be highlighted and you can select the correct baud
rate for operation of your printer.
Select the desired baud rate (1200, 2400, 4800, or 9600) by pressing either the S or T keys to
change the displayed baud rate. The other RS 232 parameters are fixed at 1 stop bit, 8 data bits and
no parity. When you have selected the proper baud rate press the key.
Note: If the security code is enabled and the calibration interval has not been exceeded the letters
“QC” will follow each printout indicating the instrument is functioning properly in a secure
fashion. If the security code is turned off, or if the calibration interval has been exceeded the
“QC” mark will not appear on the printout.
6.6. Setting the Calibration Interval
After pressing the key, the lower row of the display will have the letters “Int” printed in it. The
number in the upper row of the display corresponds to the number of days that you wish to have
between scheduled calibrations (default is 30 days).