Sunrise Global CM250 IP 사용자 설명서

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PC-IP Software 
User’s Manual 
48 
when the program is opened. You may use the database or 
download the data from an Install Profiler that has already been 
programmed with the desired settings. 
Print 
Selecting the Print icon from the main menu will print the current 
configuration screen in a database format using the current 
default printer (per Windows setup). 
UPSTREAM SPECTRUM 
The Install Profiler provides an Upstream Spectrum feature with 
an exclusive measurement technique. 
The feature has a spectral view of the return spectrum from 5 to 
50 MHz (65 MHz on International Annex A models) with the 
ability to view the ”bursty” TDMA upstream cable modem 
signals. A unique measurement mode allows the user to measure 
the TDMA signal level, any ingress or CPD (C/I), and the C/N 
ratio. Similarly, the ingress mode can be used to measure ingress 
on a drop. 
Figure 4-24 
Three markers are provided in the Upstream Spectrum option. 
The initial setting of the three markers is programmed via the