DV-8000 USER’S MANUAL
5
Introduction:
Visible spectrophotometer, an analytical instrument commonly used in physic-chemical
laboratories to make quantitative and qualitative analysis of specimen materials in the
near ultraviolet, visible spectral range finds much scope for its service in such fields as
medicine, clinical examination, biochemistry, quality control, petro-chemical industry and
environmental protection.
Description of keys & Operating Methods
The four keys on the keyboard are:
1.
MODE
2.
3.
▽
/0%T
4.
△
/100%T
MODE
key used to select the Absorbance
、
Transmittance
、
Concentration and Factor
mode
.
key has two functions:
a. To be used in Parallel Port and date transmission (one –way transmission from the
instrument to the Printer).
b. When in
F
mode, to confirm the current
F
value
，
and then the Mode was switched to
C automatically, and the C value will be calculated (C= F *A ).
▽
/0%T
key has two functions
:
a. To set zero. It is effective only in
T
mode. Insert the Black Block into the cuvette
holder, close the sample compartment cover then pull it into the light path. Press
this key, and it will show 0.0.
b.
As the ascending key. when in
F
mode , press the
▽
/0%T
key and the
F
value will
decrease by 1
，
Holding the key will speed up the decrease. The Minimum Value of
F is 1.
