User Program
Features and Capabilities
The MMS-3 has a user program that is accessed and controlled by its
keypad and the four function keys. The user program enables the user
to enter the necessary probe data, set up the LCD screen, and control
the operational features of the MMS-3. The MMS-3 stores this in
battery-backed RAM for up to five years, even when power is off.
The MMS-3 user program consists of the following 12 main menus:
SYSTEM - This menu enables the user to enter calibration and
•
configurations data.
AUTOCAL - To compensate for any drift in the electronics, the user
•
can program the MMS-3 to calibrate itself automatically at pre-
selected intervals.
USER - This menu is used to enter a saturation constant which the
•
MMS-3 requires to measure ppm
menu is also used to select the Enhanced Response option.
LOGGER - In this menu the user can (1) program the MMS-3 to log
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data at pre-selected time intervals, and (2) access the logged data
for viewing.
TEST - This menu allows the user to test the alarm relays and the
•
recorder outputs.
CONTRAST - In this menu the user can adjust the contrast of the
•
display screen to adapt to lighting conditions.
BACKLIGHT - To maintain the life of the LCD backlight, the user
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can program the electronics unit to turn the backlight off
automatically after a predetermined time period.
CLOCK - This menu enables the user to set and/or view the clock
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and calendar.
PORT - In this menu, the user can select the baud rate, report
•
format and interval for transmitting measurements and logged data
over the RS232 communications port.
ALARMS - The MMS-3 can be equipped with two optional alarm
•
relays (high and low) for each channel. The user can set up both
alarms for any of the available measurement modes and units.
RECORDERS - The MMS-3 has two recorder outputs (A and B) for
•
each channel. The user must set up the output ranges for each
recorder and each channel.
SysInfo - This menu supplies basic information on the serial
•
number, program, run time and boot device for a user's particular
MMS-3.
March 2008
in liquids. If applicable, this
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