Chassis Configuration Settings
GARD 8000 SYS RFL Electronics
April 1, 2012 7-62 973.334.3100
RPM Alarm Threshold (0-50 inc 1)
Reflected Power Meter Alarm Threshold. Sets the threshold above which an RPM Alarm is generated.
The range is from 0% to 50% in 1% increments.
FSK TX Guard Level (on-off TX Reserve Level)
This setting has a dual meaning as follows:
In on-off systems it sets the TX Reserve Level. The selections are 1W, 3W or 10W.
In FSK systems it sets the TX Guard Level. The selections are 1W, 3W or 10W.
FSK TX Trip Level (on-off TX Block Level)
This setting has a dual meaning as follows:
In on-off systems it sets the TX Block Level. The selections are 1W, 3W or 10W.
In FSK systems it sets the TX Trip Level. The selections are 1W, 3W or 10W.
FSK Only
TX Enable/Disable
The TX Section can be enabled or disabled.
RX Enable/Disable
The RX Section can be enabled or disabled.
Shift (0-1000 inc 2)
Sets the TX Shift from the center frequency.
RX Threshold (25) (0-100 inc 1)
This setting determines the minimum amount of energy (below the commission point) at which
tripping is allowed. It should be set to 25 for most applications.
Pretrip Timer (0-10 inc 0.125)
Determines how long a FSK trip must be present before it is declared valid. For 200 Hz, this should be
set to 3.125 ms For 500 and 1000 Hz it should be set to 0.5 ms The time can be reduced for faster trips
or lengthened for more security.
SNR Alarm Threshold (0-30 inc 1)
Signal-To-Noise Ratio threshold. Sets the threshold below which a SNR Alarm is generated. The range
is from 0dB to 30dB in 1dB increments.
Trip 1 Shift Direction
In 2F mode selects the trip direction. The options are Shift Up or Shift Down.
In 3F mode selects the Trip 1 direction, and The Trip 2 direction is automatically set to
the opposite direction. The options are Shift Up or Shift Down.
General Settings Definitions (continued):
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