User guide

DTP34 DENSITOMETER
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 Greenself-test passed and instrument is ready for use with defined strip.
Slow Flashing Greenstrip reading in progress or waiting to read a strip.
Fast Flashing Greenstrip reading was attempted but the wrong strip was read, or strip was skewed during
reading.
Flashing Amber/Greena configuration barcode was scanned and the instrument is waiting for the 2
nd
or 3
rd
barcode pass.
Fast Flashing Amber/Greenthere was an error in recognizing a barcode or the configuration failed. Reread
the entire barcode, starting with the first pass.
Calibration Mode
Solid Ambercalibration is required before any measurements can be taken.
Slow Flashing Amberinstrument calibration in progress (strip being read).
Solid Green after Amberinstrument 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 Redincorrect power supply attached. Verify correct 12-volt power supply is used.
Slow Flashing Reda factory reset is in progress.
Flashing Red/Green the host firmware loader program is reprogramming the instrument.