If you received a FTDI basic breakout (A programmer for the 9dof FC), then, plug it into your Flight controller, buy a mini-USB cable and connect it to your PC. Download and install the FTDI drivers. Download and install the arduino software onto your PC. (v1.0 is the latest, but I like v0.23)
You should see several files that are pre-flashed on the board (like a firmware). I expect to see some .pde files. Open them. (Simply double-click and windows asks you to select a program and select "arduino" from the list) In any ONE file, you see something like MAXTHROTTLE (or an equivalent verbatim) defined. (For eg, in MultiWii, it's MAXTHROTTLE). Set it to the MAXIMUM possible value. (I guess it's 2000). This "MAXTHROTTLE" value is the throttle input given to the ESCs when Maximum throttle is received by the Flight controller from the Rx.
This increases the throttle given to ESCs and the thrust goes up!
BTW, your quad's weight is on the higher side. Sure, it falls in the acceptable range, but reduce it. My MultiWii quad also uses dt700s and it weighs 1190g. After lots of trouble, it's now hovering! I am now switching to a smaller LiPo and simplifying the frame so as to reach my target of 1000g.
Also, download a GUI to modify settings of your FC. I searched and found them here. (download the 1st file on the list)
http://code.google.com/p/sf9domahrs/downloads/listAlso check the sensor-axis orientations. They might be reversed. You'll have more trouble then! Read more on programming the Flight controller.
Reduce the weight and I guess all the hardware setup is fine! (let seniors comment on that) It has to fly for sure. (again, I am a beginner, too)
PS: Some points might be specific to MultiWii, sorry for that, but I am sure there's an equivalent version for your FC too!
Vineet