This system uses DCS signaling to inform you when you and another ARTS-
equipped station are within communications range. Both stations must first select
DCS operation using the same DCS code.
Whenever you press the PTT, or every 30 seconds after ARTS is activated, your
radio will transmit a (subaudible) DCS signal. If the other radio is in range, the
beeper (if enabled) will sound and “
ARTS IN
” will appear on the display. Whether
you talk or not, the radios will continue to poll each other every 30 seconds while
ARTS is activated.
You can also have your radio transmit your callsign via CW every nine minutes, to
comply with identification requirements.
If you move out range for more than one minute (two polls), your radio will sense
that no signal has been received. A beep will sound, and the display will change to
“
ARTS OUT
” (out of range). If you move back into range, your radio will again
beep, and the display will change back to “
ARTS IN
.”
During ARTS operation, the microprocessor makes it impossible to change the
operating frequency or other settings; you must first terminate ARTS to resume
normal operation. This is a safety feature to prevent accidental loss of contact due
to channel change, etc.
Here is how to activate ARTS:
1. Press and hold in the key for one second, then rotate the MAIN DIAL
knob to select “
05ARTS
.”
2. Press the key to select the ARTS operating mode: “
RX
” (receive-only),
“
TX
” (transmit-only), “
TRX
” (transceive), or “
OFF
” The operating descriptions
assume that both radios are set to “
TRX
.”
3. Press and hold in the key for 1.5 second to save the entry and exit. The
display will now show “
ARTS OUT.
” After two pollings (one minute), if a re-
sponse is not detected, “
ARTS OUT
” will appear continuously; otherwise “
ARTS
IN
” will be displayed as long as both stations remain in range.
4. To cancel ARTS operation, select “
OFF
” in step 2 above.
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