15
M4FM-HD User Manual
Figure 11.
RF Carrier Loss -
Alarm based on analog RF signal strength
Threshold: Navigate the arrow to Threshold and press ENTER to change the Threshold. A blinking
arrow will indicate the Threshold can be changed. Low, Medium and High are available to choose from.
Use the arrows to toggle through the choices. Press ENTER to make a selection and return to the RF
Carrier Loss menu. “LOW” option sets RF carrier loss threshold for approximately 10
µ
V (25dBf);
“MED” option sets RF carrier loss threshold for approximately 100
µ
V (45dBf); and “HIGH” option sets
RF carrier loss threshold for approximately 3K
µ
V (75dBf).
Threshold:
Low, Medium or High.
(Default – low)
Delay:
Use the arrow buttons to select from 1 – 300 seconds of delay (default – 15 sec)
Status:
Use the arrows to toggle between Enabled or disabled to turn the alarm ‘ON’ and ‘OFF (default
– disabled)
Save:
Saves all conditions and exits back to the Alarm menu.
Audio Loss -
Silence Detect
Threshold: Navigate the arrow to Threshold and press ENTER to change the Threshold. A blinking
arrow will indicate the Threshold can be changed. Low, Medium and High are available to choose from.
Use the arrows to toggle through the choices. Press ENTER to make a selection and return to the
Audio Loss menu. “LOW” option sets audio loss threshold for approximately -60dB; “MED” option sets
audio loss threshold for approximately -40dB; and “HIGH” option sets audio loss threshold for
approximately -20dB.
Threshold:
Low, Medium or High. (Default – low)
Delay
: Use the arrow buttons to select from 1 – 300 seconds of delay (default 15 sec)
Status
: Use the arrows to toggle between Enabled or disabled to turn the alarm ‘ON’ and ‘OFF’ (default
– disabled)
Save:
Saves all conditions and exits back to the Alarm menu.
OFDM Lock -
Side Bands Lost
Delay
: Use the arrow buttons to select from 1 – 300 seconds of delay (default – 15 sec)