Orion Star A223 and Star A323 Portable RDO/DO Meters
7
DO Probe Type Selection
The Orion Star A223 and Star A323 RDO/DO meters accept and automatically recognize Orion RDO optical
dissolved oxygen probes and Orion polarographic dissolved oxygen probes. If a different probe is used or the
probe type needs to be verified, perform the following steps.
1. In the measurement mode, press
.
2. Press
,
,
or
to highlight
DO Channel
and press
f3 (select)
.
3. Press
or
to highlight
Mode and Settings
and press
f3 (select)
.
4. Press
or
to highlight
Measure Mode
and press
f3 (select)
.
5. Press
or
to highlight
DO
(polarographic probe) or
RDO
(RDO optical probe)
and press
f3 (select)
.
6. Press
to return to the measurement mode.
Read Type Selection
1. In the measurement mode, press
.
2. Press
,
,
or
to highlight
DO Channel
and press
f3 (select)
.
3. Press
or
to highlight
Mode and Settings
and press
f3 (select)
.
4. Press
or
to highlight
Read Type
and press
f3 (select)
.
5. Press
or
to highlight
Auto
,
Continuous
or
Timed
(Star A323 meter only)
and press
f3 (select)
.
a.
Star A323 meter only –
If
Timed
is selected and the time interval needs to be changed – highlight
Timed
; press
to highlight hours (HH), minutes (MM) or seconds (SS); press
f3 (edit)
to access the
numeric entry screen; use the numeric entry screen to change the values and press
f1 (back)
when the
time interval is correct.
6. Press
to return to the measurement mode.
