Jenway 7305 User Manual
Page 18
4.4
DiAGnoStiCS
The
diagnostic function allows simple checks to be
carried out on the instrument. The wavelength can
be changed, the lamp can be turned on and off and a
sensitivity reading can be performed.
To exit this function without performing any checks press
the
back key.
4.5
SCReen ContRASt
The screen contrast function enables the brightness of
the screen to be set. In the instrument settings menu
press the key adjacent to the
screen contrast icon. Use
the keys below the
arrow icons to increase or decrease
the screen contrast. Once the required contrast level has
been reached press the key adjacent to the
tick icon to
save and return to the instrument settings menu.
4.6
LAMP SAVe
This function is only available on the 7300 visible spectrophotometer which uses a tungsten halogen
lamp.
The lamp save function enables the time in minutes to
be set after which the lamp will be turned off following
a period of no lamp activity, i.e. no readings have
been performed. This function is accessed through the
instrument settings menu by pressing the key adjacent to
the
lamp save icon.
When this menu is first accessed the lamp save is turned
off. To activate the lamp save function press the key
below the
lamp save icon. To deactivate the lamp save
function press the key below the
lamp save icon.
The default minimum time is set to 30 minutes. Select
the digit to be changed using the keys at the bottom of
the screen. Use the keys adjacent to the
arrow icons to
increase or decrease the number. Once the required time
in minutes has been set press the key adjacent to the
tick
icon to save and return to the instrument settings menu.
The time set will begin to count down when there is
no lamp activity. When the count down is complete the
lamp and the fan will be turned off and the
lamp save
icon is shown in all the measurement modes. To bring
the instrument out of the lamp save in order to perform
a measurement press the key below the
lamp save icon.
0.00
500.0
nm
READ
ON
Go to WL
0
3
0
18
0.000
100.0
400
09:02
ABS
%T
nm