Schambeck SFD GmbH
Refractive Index Detector RI2000
SFD101.01.3x.EN / 2014-07-10
12
http://www.schambeck-sfd.com
9.2 T
HE
A
UTO
Z
ERO
B
UTTON
By pressing the
AutoZero
button the detector signal is internally set to Zero. To return to
the formel (unmodified) signal, press the
AutoZero
button for approx. three seconds.
9.3 T
HE
P
URGE
B
UTTON
To flush the reference chamber of the flow cell with mobile phase press the
PURGE
button
once. If the purge mode is activated a red LED will light up. Press the
PURGE
button once
again to deactivate the purge mode. Now the mobile phase will flow only through the sample
chamber of the flow cell.
9.4 T
HE
B
UTTON
P
OL
+/-
By pressing this button the polarity of the detector signal will be changed. A negative signal
like e. g.
– 5mV will be transformed into a positive 5 mV when the polarity mode is
activated. A red LED will light up when this mode is activated.
9.5 T
HE
B
UTTONS
A
RROW
L
EFT
(
◄)
AND
A
RROW
R
IGHT
(
►
)
This arrow buttons have several functions. If only one button is pressed you can change
the settings of one parameter to smaller (
◄
) or bigger (
►
) values. If both buttons are
pressed together for about three seconds the detector will be set to the service mode.
9.6 T
HE
B
UTTONS
A
RROW
U
P
(
▲)
AND
A
RROW
D
OWN
(
▼)
If different options for one parameter are available you can select the desired option by
using these arrow buttons.
ArrowUp
(
▲
) will switch to higher values and
ArrowDown
(
▼
)
to smaller values.
If the marker function is activated you can send a marker signal to the recorder output by
pressing the
ArrowUp
(
▲
) button (
see chapter 14.8
).
Summary of Contents for RI 2000
Page 1: ...RI 2000...
