Safe Training Systems SMF4 User manual
Safe Training
Systems Ltd
SMF4
Portable Fluorimeter
Operating Guide
V.2.03
Instrument Controls
•The S F4 has two control
pads, an alphanumeric keypad
and a navigation keypad
•To select the required letter
from the alphanumeric keypad
press the key once for the first
letter, twice for the 2
nd
etc.
Please note that the 0 key if
pressed twice will display a
space.
•The navigation keypad is
used to move between the
menus using the up & down
arrows, and to move within
menu items by using the left
and right arrows.
Trigger
button
On / Off
button OK button
enu
Navigation
buttons
Instrument Information
• When the instrument is first powered on the battery icon is displayed, the home
screen will then appear and the battery charge status may show almost empty. The
instrument will then make an assessment of the battery charge remaining and
display the actual charge status after a couple of minutes. When the charger is
connect the home screen will display CHARGING, when the battery is fully charged
the instrument will turn itself off. Please note that with the charger connected you
cannot turn off the instrument until unplugged.
• The S F4 has built in battery saving software to facilitate the longest possible use
between charges. The instrument will therefore power down after a period of 10
minutes of inactivity. If the instrument is in a logging mode this will continue
unaffected. In order to wake the instrument press the on/off key – the home screen
will then be displayed. The instrument will also turn off the backlight after a period
of 5 minutes of inactivity – to wake the instrument press the down arrow key.
• It should be noted that whilst in logging mode the instrument set up cannot be
changed, i.e. the logging interval, sensitivity, time/date, upload or delete data
functions will not operate. To change any of these functions press Stop Logging,
change the required parameter and then press start logging to resume.
Start up Screen
The start up screen is displayed
briefly on power up and displays
the following information:
• Serial Number
• Software version no.
• Time
• Date
Home Screen
After the start up screen is
displayed the Home screen
appears. This screen displays
the following information:
• Counts reading
• Sensitivity setting
• Battery status icon
• enu icon
• Charging (if connected to the
charger, note the battery icon
is not displayed when
charging)
Software Revision
• If your instrument is version 2.03 or greater the instrument will
have 2 additional items displayed on the Home screen.
• 1) the temperature of the instrument is displayed in degrees
Centigrade (this is also output in the data log against each record.
• 2) The sample number generated each time the instrument is
triggered is displayed to indicate that the sample has been logged to
the instruments memory.
enu Operations
There are 3 menu screens accessed
from the Home screen by using
the down arrow on the navigation
key pad.
The menus allow setting of the
following options:
• Set Sensitivity - High/ ed/Low
• Zero Calibration - On/Off
• Backlight timer - On/Off
• Logging - Start time & Interval
• Upload & delete data log
• External Logging – On/Off
• Location & Reference
• Time & Date
• Set Backlight intensity
Setting Sensitivity
• The S F4 offers a range of 3 sensitivities,
HIGH, EDIU & LOW. This enables
monitoring to be carried out in a variety of
different conditions where the amount of
contamination present may vary
considerably.
• The Sensitivity level is selected from the
main menu by pressing option 1. for LOW,
2. for EDIU and 3. for HIGH. The screen
will then reset to the Home screen and the
sensitivity will be displayed under the
counts reading as below
Zero Calibration
• The S F4 has a zero calibration
function to remove background
from the count figure displayed.
To use this function place a cell in
the holder containing the
background sample and press
no.4 on the menu screen.
• The screen will return to the home
screen and the counts display will
read 0000. Subsequent readings
will then be displayed having had
the background subtracted.
• To remove the zero calibration
press no.5 from the menu list – the
Home screen will then appear and
the next reading will not be
adjusted for background.
(note- turning the instrument off
does not remove the zero
calibration)
Backlight
• The instrument has a backlight
timer function to help maintain
maximum battery life.
• To select the backlight from the
main menu press 6, the display
will show backlight timer on. The
backlight will now turn off after 5
minutes operation – press any key
to turn back on.
• To turn the backlight timer off (ie
to have the backlight constantly
on) select 6 again from the menu.
The display will now show
backlight timer off.
• Please note that to preserve
battery life the S F4 will
automatically turn off after 10
mins of inactivity when the
backlight timer is on. Press the
ON key to activate the display.
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