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Operation of the testo 300-I is organised such that you can always recognise the button functions in the display.
The keyboard
The function buttons enable you to quickly change instrument functions and to completely control the
measurement. The function behind the function buttons are shown in the function toolbar. Not all of the function
buttons in every menu have been assigned. Arrows (
there are additional functions in the menu.
These additional functions are displayed by pressing the left arrow button
and are activated via the function buttons.
With the up
/down
measurement menu) or you can select a menu item from a list. If you have arrived at the last window/menu item
you will automatically return to the first window or the first menu item.
Via the print button
the attachable printer or on the desktop printer depending on the preset printer type (see the Chapter on
printing the measured results).
The analyser is switched on or off with the I/O button
appears in the display. You can still prevent the analyser from being switched off by pressing any button except
. The analyser then returns to the measurement menu.
Via the
button, you can cancel selected processes or items or leave submenus. If you leave a submenu,
by pressing
you can usually go back one menu window until you are in the main menu.
The selection and execution of the chosen function is confirmed by the Confirm button
from the measurement menu to the main menu simply press the
The light for the display can be switched on and off via the light button
started (See Settings, "Light" Chapter) .
The display
All of the important information is shown constantly in the display.
In the measurement menu 4 measured values per window are shown in the measured value/menu display
range. When the zoom function is used (via function button) only two measured values are shown but in a
larger font.
The function toolbar describes the various function buttons. The assignment changes according to the menu.
The description of the function buttons in the display changes accordingly.
The arrows (
or
) left and right above the function toolbar indicate that there are additional functions in the
menu.
The operation display describes, with the help of graphics, the current analyser mode, e.g. indicates in which
menu you are, whether the analyser pump is operating and whether the instrument is mains operated. The
symbols are as follows:
Measurement menu
Fuel selection
Memory menu
Pump is operating
You can always see which memory place has been selected and which is active in the memory display box.
The number of measurements already saved under this memory place name is shown along with a serial
number. If a memory place has not been selected "Noname" appears in the display.
Error messages appear in the status display on the left. The measured value window in which you are located
is indicated on the right side of the measurement menu e.g. 2/5 means that you are on page 2 out of a
possible 5.
arrow buttons you can scroll between the reading windows (in the
you can print the measurement shown on the display. The data is printed either on
or
) left or right above the function toolbar indicate that
. Before the final switch-off, the switch-off message
button.
⊂
Mains operation
7
Initial operation
Operating the analyser
or right arrow button
. If you wish to go
or the automatic time function is
Main menu
⊃
⊂ Service menu
↵
Input/Settings
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