DaySequerra M4.2S User Manual
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11M4.2S User ManualSystem MenuPress and hold the CENTER button for 3 seconds to enter the SYSTEM menu. Use the arrow buttonsto navigate to the desired submenu. To EXIT this menu press the UP arrow to EXIT and press theCENTER button to exit to the Homescreen.Figure 4.Audio Muting - The M4.2’s audio output can be set to automatically mute for received signals withsignal strength less than 45dBf.Forcing A-D Split - The FORCING control is used to select A-D SPLIT mode, functional with AM or FMHD RadioTM signals. In A-D SPLIT mode, the analog audio outputs and headphone jack provides leftanalog program audio in left channel and the left HD RadioTM audio program in right channel. Thismode provides for audio phase matching as well as audio level and time-alignment of the HD RadioTMbroadcast for the correct analog diversity delay. Default mode is off.AlarmsProgram Loss Monitor – Enabling any alarm will disable tuning, presets and band selection from theWebServer and M4.2S box User interface.Program Loss Monitor (PLM) Connections – The PLM provides five dry, floating relays with outputson a rear panel mounted DB15 connector to report selected alarm conditions, including loss of RFcarrier, program audio, OFDM lock and PAD data. Opto-isolated inputs will be triggered by a voltage of5VDC. The GPIO Alarm output relays are Normally Open and will close when an alarm is active. Seefigure 5 below for the DB15 pin-outs:Alarm Loss of: No Contact CommonRF Carrier 5 10Audio 4 9OFDM Lock 3 8Multicast 2 7PAD/RBDS 1 6Reset 14 15Pins not used – (11, 12, 13)Figure 5. |
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