Instruction Manual
ooting SectionTroublesh
Problems  Solution 
Software would not start, “Start” button an
Check mode selector switc
d “Download” 
h. Set to USB 
MODE. Check cable connection and USB 
Icon. 
button inactive. 
Computer found new hardware, bu
compatible drivers 
t could not find  Uninstall and reinstall DT-209X USB Drivers, 
check the CD included in your Kit. 
Could not find software after installation 
Program is installed under the name "NIDEC-
SHIMPO". Access list of programs from the 
Start Menu. 
Laser is
the PC 
Control of the tachometer is transferred to the 
ate until 
er 
 the eyes. 
 not visible after the DT-209X is connected to 
DT-209X, the laser would not activ
Start is pressed under USB mode.
WARNING: Do not stare into the las
opening. Laser beam harmful to
Check the mode selector switch: for porta
Unit selector switch not working. 
ble 
and outside measurements the tachometer 
needs to be in Standard Mode (STD) or 
measurements the DT-209X needs to be in 
USB. 
Average Mode (AVE). For online 
Battery 
that 
SB 
(When set to USB mode the tachometer 
will not allow the auto power off feature to 
button is 
not pressed. 
Before storing the DT-209X make sure 
the mode selector switch is not set to U
mode 
discharges earlier than expected. 
activate). Make sure that the power 
Analog outp
Check the polarity of connectors; it should 
ut not working. 
deliver a 0 to 1 V analog output proportional to 
the reading. 
pen saved CSV file 
Check other modes for opening the file. The 
file saved in Average mode cannot be open in 
Standard or USB Mode. 
rint graph 
Check printer connection. If the button is 
inactive close graph window and press STOP. 
(Graph cannot be printed while measurement 
is taking place). 
ting table and graph 
There are some versions of Windows 2000 
that does not allow printing from the DT-209X 
software, save and open CSV file in Microsoft 
EXCEL and print from there. 
plugged in, but there is no connection 
While the software is open, unplug and plug 
back in the USB cable until the USB Icon 
indicator establishes connection. 
Uninstall and reinstall DT-209X USB Drivers, 
check the CD included 
right operating system 
Windows XP or Windows 2000. USB cable 
Could not o
Could not p
Error in prin
USB cable 
Could not establish connection with the DT-209X  maybe damaged. 
in your Kit. Choose the 
for your Computer 
63










