Use the ▲ ▼ keys to scroll down/up the Survey mode menu to view
menu items that are off screen.
When the monitor is in Survey screen saver mode, the title “Survey”
and the battery icon are briefly displayed and will disappear after a
few seconds. Real-time aerosol concentration is shown at a random
screen location, which changes every 15 minutes to prevent display
burn-in.
In this mode, the push buttons can be locked by first pressing ▲ key,
then 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, then
simultaneously pressing (ENTER) key.
When in the Survey mode, you can access the Main Menu by
pressing the ESC key twice.
Data Logging
The AM520/AM520i can log data in either:
• Manual logging mode, or
• Program logging mode.
To run the instrument in Manual
logging mode, select Manual Mode
from the RUN MODE menu and press
the (ENTER) key. The instrument will immediately start logging and
it will use the Log Interval (set in the Log Interval option of the
SETTINGS menu). If the aerosol Response Concentration feature is
enabled (set in the “Response Conc” option of the SETTINGS
menu), the logged data file will include both mass concentration and
response concentration . Manual data logging stops automatically
when logging memory is full or the ESC key is pressed.
To run the AM520/AM520i in Program logging mode, select the
desired program logging mode from the RUN MODE menu, and press
the (ENTER). There are five program logging modes available. The
default names are “Prog 1” through “Prog 5”. These can be renamed
and the values set using TrakPro™ Data Analysis Software. If a
specific start time or date was selected using TrakPro™ software, the
instrument will wait until the start time and then automatically begin
logging. If the start time/date is in the past, the instrument will show
the error message "Invalid start time."
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