DV-8000 USER’S MANUAL
6
△
/100%T
key has the following two functions
：
a. When in
A
or
T
mode, close the sample compartment, press the key and it will read
0.000ABS or 100.0 %T.
b. To be used as the increase key (effective only in F mode). Press this key and the F
value will increase by 1. A long press will speed up the increase. The Maximum
Value of F is 1999.
Example
:
Let the F value be 1500.
Method I
a. Press
MODE to set it at F mode.
b. If the current F value is 1000 , press the
△
/100%T
key, until it goes up to 1500
。
c. Press the
key
，
and the current F value shows 1500. Then C mode
automatically appears. Suppose the A value measures 0.125, then the C value
reads 187.5.
Method II
a.
Press
MODE
key to set it at F mode
。
b.
If the current F value is 2000 , press the
▽
/0%T
key
，
till it reaches 1500. Press
the
MODE
key again to go to C mode. If the A value measures 0.125, then the C
value reads 187.5.
Operation Procedures
1. Plug the instrument into a grounded outlet
2. Turn the instrument on. Allow the instrument to warm up for at least
20
minutes.
3. Set to desired wavelength with the
Wavelength Knob,
press the
MODE
key to
select T/A/C/F.
4. If you want to know T value, press
MODE
key to change to “T” mode
，
fill one of
matched cuvettes with Blank Solution.
5. Insert the Black Block into the first cuvette holder, close the sample
compartment cover, set 0.0%T by pressing the
▽
/0%T
key until display reads
“0.0.
6. Pull the holder to make the Blank in the light path, set 100%T by pressing
the
△
/100%T
key until display reads 100.0.
7. Insert the sample solution to be measured into the cuvette holder. Close the
sample compartment cover. Then pull the sample to be measured into the light
path, read results directly on the digital display.
