VX-120 O
PERATING
M
ANUAL
50
The ARTS™ feature uses DCS signaling to inform both parties when you and another
ARTS™-equipped station are within communications range. This may be particularly use-
ful during Search-and Rescue situations, where is important to stay in contact with other
members of your group.
Both stations must set up their DCS codes to the same code number, then activate their
ARTS™ feature using the command appropriate for their radio. Alert ringers may be acti-
vated, if desired.
Whenever you push the
PTT
switch, or every 25 (or 15) seconds
after ARTS™ is activated, your radio will transmit a signal which
includes a (subaudible) DCS signal for about 1 second. If the other
radio is in range, the beeper will sound (if enabled) and the display
will show “
IN.RNG
” as opposed to the out of range display
“
OUT.RNG
” in which ARTS™ operation begins.
Whether you talk or not, the polling every 15 or 25 seconds will
continue until you de-activate ARTS™. Every 10 minutes, moreover, you can have your
radio transmit your callsign via CW, so as to comply with identification requirements.
When ARTS™ is de-activated, DCS will also be deactivated (if you were not using it
previously in non-ARTS™ operation).
If you move out of range for more than one minute (four pollings), your radio will sense
that no signal has been received, three beeps will sound, and the display will revert to
“
OUT.RNG
.” If you move back into range, your radio will again beep, and the display will
change back to the “
IN.RNG
” indication.
During ARTS
™
operation, your operating frequency will continue to be displayed, but no
changes may be made to it or other settings; you must terminate ARTS
™
in order to resume
normal operation. This is a safety feature designed to prevent accidental loss of contact
due to channel change, etc.
Basic ARTS
™
Setup and Operation
The ARTS™ feature allows two kinds of alert beeps (with the additional option of turning
them off), so as to alert you to the current status of ARTS™ operation. Depending on your
location and the potential annoyance associated with frequent beeps, you may choose the
Beep mode which best suits your needs before starting the ARTS™ operation.
INRANG
:
The beeps are issued only when the radio first confirms that you are within
range, but does not re-confirm with beeps thereafter.
ALWAYS
: Every time a polling transmission is received from the other station, the alert
beeps will be heard.
OFF
:
No alert beeps will be heard; you must look at the display to confirm current
ARTS™ status.
ARTS™
(
A
UTOMATIC
R
ANGE
T
RANSPONDER
S
YSTEM
)
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