2-16
001-4006-101
Radio
This field designates the radio model.
Range
This field designates radio frequency range.
Channel
This field specifies whether the unit is full- or half-channel (12.5 or 25 kHz).
Redirect Channel 8
The Redirect Channel 8 field allows Channel 8 to be directed to another programmed channel. The units’
DIP switches must be set to the Channel 8 selection for channel redirection to function.
Tx Only Radio
The Tx Only Radio option disables the radio’s receiver and any ability for the modem to receive data. This
function is provided for use with the Tx unit incorporated into a T-Base or T-Base/R.
Rx Only Radio
The Rx Only Radio option disables the radio’s transmitter and any ability for the modem to transmit data.
This function is provided for use with the Rx unit incorporated into a T-Base or T-Base/R.
PTT Watchdog
The PTT Watchdog allows the user to set the maximum transmit time. This is used to protect against a
‘stuck’ transmitter. The time is selected by a slider bar. The range is 0 to 120 seconds with a default of 30
seconds. Warning: Transmissions longer than 30 seconds may exceed the duty cycle rating of the transmitter
and lead to shortened life or transmitter failure. A factory-installed cooling fan is available for extended
duty operations. For continuous-transmit applications, the PTT Watchdog feature can be disabled
(unchecked).
Synthesizer
This field lists the synthesizer model used. This field is non-selectable and for reference only.
Dynamic Carrier Detect Off Threshold
The Dynamic Carrier Detect Off Threshold allows the modem to automatically adjust the Carrier Detect
Off Threshold based on the RSSI while receiving data. If selected, the Carrier Detect Off level will
automatically adjust to approximately 15 dB below the actual signal strength. This provides rapid detection
of loss-of-carrier and minimizes or eliminates ‘bit dribble’ at the end of transmissions.
Recommendation: Keep Dynamic Carrier Detect Off Threshold enabled (checked) unless interference or
variable signal strength (i.e., fading in a moving vehicle) causes problems.
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