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Relay output, Audible alarm buzzer, Fm de-emphasis – DaySequerra M4FM User Manual

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M4FM User Manual

Relay Output

Customizes a specific alarm to each of the six relay outputs on the DB-15. See figure 9. for the DB-15
pin-out

Output 1 – Audio Loss, RF Carrier Loss, Pilot Present, Over Modulation, Empty. Default: Audio

Loss

Output 2 – Audio Loss, RF Carrier Loss, Pilot Present, Over Modulation, Empty. Default: RF
Carrier Loss

Output 3 – Audio Loss, RF Carrier Loss, Pilot Present, Over Modulation, Empty. Default: Pilot

Present

Output 4 – Audio Loss, RF Carrier Loss, Pilot Present, Over Modulation, Empty. Default: Over

Modulation

Output 5 – Audio Loss, RF Carrier Loss, Pilot Present, Over Modulation, Empty. Default:

Empty

Output 6 – Audio Loss, RF Carrier Loss, Pilot Present, Over Modulation, Empty. Default:

Empty


Toggle the arrow to the top right of the LCD and select EXIT to revert back to the previous page.

Audible Alarm Buzzer


“ON” or “OFF” option using UP and DN switches to toggle the setting. Select “ON” for audible alarm to
beep during any active alarm condition and continue with alarm configuration menu; select “OFF” for
audible alarm to be silent during any active alarm condition. Press ENTER to save and exit to the
previous Alarm menu

FM De-Emphasis

Switch between 75µsec and 50µsec. M4FM is set to 75µsec by default. Press ENTER after making a
selection to save and EXIT to the previous menu. (Figure 12)









Figure 12.