D T P 3 4 D E N S I T O M E T E R
5
Instrument LED Indicator
The LED indicates a variety of instrument operation conditions, such as calibration mode, and operation. Below is a
complete list of all conditions reported by the LED.
Operation Mode
•
Solid Green
—self-test passed and instrument is ready for use with defined strip.
•
Slow Flashing Green—
strip reading in progress or waiting to read a strip
.
•
Fast Flashing Green
—strip reading was attempted but the wrong strip was read, or strip was skewed during
reading.
•
Flashing Amber/Green
—a configuration barcode was scanned and the instrument is waiting for the 2
nd
or 3
rd
barcode pass.
•
Fast Flashing Amber/Green
—there was an error in recognizing a barcode or the configuration failed. Reread
the entire barcode, starting with the first pass.
Calibration Mode
•
Solid Amber
—calibration is required before any measurements can be taken.
•
Slow Flashing Amber
—instrument calibration in progress (strip being read).
•
Solid Green after Amber
—instrument calibration was successful and instrument is ready for use.
Error/Reset Mode
NOTE:
When the instrument is first turned on the LED will be red while it performs its self-tests. The self-
tests will complete in approximately 2 to 3 seconds, at which time it will turn green under normal
conditions.
•
Fast Flashing Red
—incorrect power supply attached. Verify correct 12-volt power supply is used.
•
Slow Flashing Red
—a factory reset is in progress.
•
Flashing Red/Green
— the host firmware loader program is reprogramming the instrument.