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The image above shows the controls located on the right side of the front panel. The external wand con-
taining the Geiger Muller tube is connected on the far right of the panel. Above this connection is the Pulse
LED that will flash for each r adioactive par ticle detected. In addition to the LED, the unit also has
an audio feature. Sound may be turned on and off by using the switch found on the lower left of this side of
the panel. Users may choose to connect headphones to the 3.5mm jack next to the audio switch. When
headphones are plugged it, they override the audio switch and no external sound will be heard.
Data from the unit may be exported to PC by using either the TTL Serial Output or Digital Pulse Output
jacks. A 3.5mm stereo to USB cable connected from the TTL Serial Output to PC will allow you to output
data to Images' Digital Geiger Counter Graphing Software.
Other programs may require Pulse data, which can be obtained by plugging a 3.5mm mono cable into the
Digital Pulse Output.
U SB / TT L Ca b le A da pte r (sol d s epa ra t el y )
*See page 7 for changing data output to jack's Tip or Ring. Useful for
using 3rd party TTL Serial/ USB cables.
6
Serial data consisting of the CPS counts may be read by a Windows PC
computer using a USB/TTL Serial Cable, included. USB TTL Serial Ca-
ble allow easy interfacing of the DTG-01 via USB. The cable has a USB
connector on one end that plugs into PC, and a 3.5mm stereo jack that
plugs into the DTG-01.
3.5mm audio jack output configuration:
tip - TxD
ring - RxD
sleeve - GND
Images SI, Inc.
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