User Manual of DS-7000HI-S Series Net DVR 
  
Page 80 
 
Setup at DVR end 
 
Step 1: RS232 setup Setup baud rate, data bit, stop bit, parity and flow control. They must be 
the same as those of modem connected with PC. 
 
 
Step 2: Video setup In “Recording” menu, select the camera you want to transfer through 
PSTN. If you set CIF resolution, we suggest you set frame rate as 1 FPS. If you set QCIF 
resolution, the frame rate can be selected under 4FPS. You can adjust bit rate, resolution and frame 
rate according to real conditions.   
 
Step 3: Save setup In “Recording” menu, press “Confirm” button to save parameters. 
Step 4: Setup Modem used on DVR side Use DCE calbe to connect Modem with PC serial 
port. You can use HyperTerminal or NetTerm to setup modem:   
AT&F ---- Retore default parameters (Generally, Modem is hard flow control) 
AT&S0=1 ---- Set Modem as answer 
ATE0 ---- Not display the input characters