20
SECTION 1,
continued
1.4
Maintenance
The meter is designed to be maintenance-free. If the meter gets
dirty, wipe the surface with a damp cloth. Use a cotton-tipped
applicator to clean or dry the connectors if they get wet.
1.5
Audible Signals
The meter will beep under certain conditions:
•
when a non-functional key press is made (one beep)
•
when measurement stability is reached during calibration
(three beeps)
•
in Reading mode, when the display lock is turned on and
stability is reached (three beeps)
•
in case of an error or malfunction (one beep).
26
Indicates EXIT key is active.
27
If the thermometer icon and the correction icon are on, a temperature correction other than
the factory default is in use. If it is on with the
(Off)
icon, temperature compensation is
turned off.
28
Indicates numeric key functions are active.
29
In Conductivity mode, it indicates the meter is displaying sample salinity. In DO mode,
indicates that the salinity correction is being applied to the dissolved oxygen measurement
and that the salinity corrected value is displayed.
30
Indicates the display is locked. Pressing read initiates another measurement.
31
Indicates a meter function problem.
32
Indicates whether an associated setup setting is
On
or
Off
.
33
Indicates faulty probe connection or incorrect probe attached.
34
Indicates that the meter is reading or recalling a dissolved oxygen measurement.
35
Indicates that the instrument is reading or recalling a conductivity measurement.
36
Indicates the signal from the sample is not yet stable. When the icon disappears, the
reading is stable and may be recorded.
37
Asks if the calibration or the displayed sample data should be stored. Used with ? icon.
38
Indicates the time is being displayed or set. Used with large display (item 13).
39
Indicates the meter is in Recall mode and the displayed data is stored data.
Table 2 Display Descriptions (Continued)
Item No.
Description