Specifications

The DTS-4R remote is smaller than the DTS-4, but has the same four switches and four LED
lights on the front. On the back, it has the same power, radio sense and control jacks, but no coax
connectors.
About the Radio Sense feature
Radio Sense is an exclusive LDG feature that automatically grounds all inputs when you turn
your radio off. A sense line connects the DTS-4 to any DC out port on your radio providing at
least 2 volts DC at 1 ma; most modern radios have at least one such DC output. Check your
radio’s manual for more information on which jack may provide DC voltage when the radio is on.
For example, the Icom 706 provides 13.8 volts on pin 8 of the ACC socket when the radio is on
and zero volts when the radio is off.
When this mode is enabled, the DTS-4 senses the DC port change to zero volts when you turn
your radio off, and automatically grounds all inputs, protecting the rig from static discharges.
When you turn your rig back on, the DTS-4 senses the voltage on the DC port and automatically
selects the antenna you were using when you powered down. You can also manually ground all
inputs from the front panel with a single press of the control buttons.
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