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Overload occurs when any input is 10% above its input range. When the
battery voltage goes below 1.7 volt the instrument will shut down (termi-
nating and saving the recording, if it is recording).
•
SLEEP mode: The instrument enters the low power state if the
button is not pressed for one minute. It will remain in this state until
either the button is pressed or the internal clock reaches the start
time for a scheduled recording.
•
RECORD mode: The instrument enters the low power state
between sample sets. The slower the storage rate, the greater
the portion of time the instrument is in the low power state. Thus,
the slower the storage rate, the longer the instrument can record.
4.2
Battery Use
The instrument contains protection circuitry to prevent it from being turned
on when the battery voltage is below 1.7V.
There are two thresholds for the battery voltage:
The first is used to indicate low battery. The low battery indicator (blue
•
LED single blink) will blink when the battery voltage drops below 2.2V.
•
The second is used to determine when to terminate recording and
turn the unit off. The shutdown threshold is when the battery voltage
drops below 1.7V.
If all LEDs light instantaneously, the instrument was in SLEEP mode.
Releasing the PRESS button will show the status (every 5 seconds).
You can connect the instrument to a USB port on your computer and
establish communication with the instrument using DataView
The logger will remain ON while a communication link with the Simple
Logger II Control Panel is active (provided sufficient battery power is avail-
able during the communication session).
The logger can be connected to the computer during a recording ses-
sion, however, an additional drain on the batteries will occur to support the
active USB connection.
Communication from the instrument to DataView
28
GlobalTestSupply
www.
(see §5).
®
is disabled below 2.2V.
®
Simple Logger
®
II Series
.com
sales@GlobalTestSupply.com
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