The screen saver briefly displays the title “Logging Data” and shows
the battery icon. These disappear after a few seconds to save power.
Real-time concentration measurements are shown at a random
screen location. When the screen saver is active, the keys can be
locked by first pressing the ▲ key, and simultaneously pressing
(ENTER) key. A red lock icon is briefly shown to indicate that
the keys are locked. The keys can be unlocked in the same fashion:
by first pressing the ▲ key, and simultaneously pressing (ENTER)
key. The keys can also be locked/unlocked while the “PROG DELAY”
screen is active waiting for programmed logging to start.
To stop logging or cancel a logging program, press the ESC key. If
logging is already in process, you will have to confirm by pressing
(ENTER). When data logging stops, the instrument displays a
message showing whether any data was saved.
Run Mode
The RUN MODE menu contains the
following options:
• Survey
• Manual Mode
• Prog 1 though Prog 5
Use the ▲ ▼ keys to make a selection,
and press (ENTER) to accept.
Survey Mode
See description of Survey Mode above.
Manual Mode
Data logging begins when Manual Mode is selected by pressing
(ENTER). The data logging session is called a “Test”. See Data
Logging, above. The test is stopped by pressing ESC then
(ENTER).
While running a manual test, the display shows LOGGING DATA as
well as the time constant concentration. Manual tests use the logging
interval defined in Log Interval under the SETTINGS menu.
Each test is assigned a sequential number (for example, TEST#1,
TEST#2, … TEST#100) until memory is used up or cleared.
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