TV EXPLORER HD+ manual - Promax

USER’S MANUAL. TV EXPLORER HD +NOTEThe transmission quality is visualised in a qualitative way using a colour range forthe symbol density concentrated in a certain area. This colour coding goes fromblack (no symbols), to red (maximum density), and runs from blue to yellow inascending order.A greater dispersion of the symbols indicates greater level of noise or worse signalquality.If concentration of symbols or noise appears is indicative of good carrier/noise ratioor absence of problems as phase noise, etc.,.5.15.1.1 Zoom, scroll and erasing functionsThe TV EXPLORER HD + also includes, a ZOOM function to enlarge graphicrepresentation over one single quadrant. Select the SCROLL option to move the focusover the whole viewing area using arrow cursors [6] key, CLEAR option to reset thegraph screen or SHARP option to increase the image clearness.Figure 46.- Zoom x2 constellation diagram.5.15.2 DVB-T2 (COFDM) signalActivate the UTILITIES menu by pressing the [22] key, and select theCONSTELLATION option. Now, on screen will be recorded the hits due to symbolsreceived during the digital signal transmission.Page 66 01/2011