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FCC ID: K6620285X20
IC ID: 511B-20285X20
VX-3R Operating Manual
pressing and holding in the [POWER] switch for one second.
Use this feature if you are out for a walk and want a quick way of alerting a family member as to a
dangerous situation. The alarm sound may discourage an attacker and allow you to escape.
R.F. Says: 1) Be sure to arrange with a friend or family member to be monitoring on the same frequency, as
there will be no identification sent via the Emergency alarm sound. And do not transmit the alarm tone
except in a true emergency!
2) The TX/BUSY indicator may be changed to another function via Set Mode Item 32: EMG.SEL; see
page ??.
Emergency Automatic ID (EAI) Feature
The Emergency Automatic ID (EAI) feature can be used for searching for persons who are incapacitated in
disasters like earthquakes, especially search-and-rescue personnel who may have become injured in a
debris field. In such cases, if another searcher sends out a unique command (CTCSS tone pair), the radio
of the incapacitated party, who may not be able to speak or even press the PTT switch, will automatically
cause the injured party’s radio to transmit, so others may perform direction-finding and effect a rescue. The
callsign of the incapacitated person will also be transmitted, to assist the rescue team.
If an emergency group is working in a dangerous area, all members should engage the EAI feature on their
transceiver, so that others can provide assistance to a fallen team member, if necessary.
The Emergency Automatic ID (EAI) Feature has two operating modes: (1) Interval mode and (2)
Continuous mode.
In the Interval mode, when the VX-3R receives the CTCSS tone pair which is stored in the Receiving Pager
Code Memory (configured via Set Mode Item 61: PAG.CDR) on the frequency which is stored in Memory
Channel “EAI” for more than five seconds, the radio will automatically transmit a brief (0.5 second) beep
tone every 2.5 seconds until the EAI timer expiration at the power level stored in that memory channel; it is
NOT necessary for the incapacitated person to press the PTT switch.
In the Continuous mode, when the VX-3R receives the CTCSS tone pair which is stored in the Receiving
Pager Code Memory (configured via Set Mode Item 61: PAG.CDR) on the frequency which is stored in
Memory Channel “EAI” for more than five seconds, the radio will automatically transmit (with maximum
microphone gain) continuously, until the EAI timer expiration, at the power level stored in that memory
channel; it is NOT necessary for the incapacitated person to press the PTT switch.
Furthermore, if your call sign is stored in the radio and enabling the CW identifier via Set Mode Item 19: CW
ID, the radio will transmit your callsign on the air when the EAI feature is first engaged by the remote page,
and every 10 minutes thereafter. The “callsign” ID can be changed to any desired sequence of characters,
such as a name. After sending the callsign or name, the radio will repeatedly transmit three tones for a
user-defined period of time (between 1 and 30 minutes). The callsign or name will be transmitted every 10
minutes.
Vertex Standard Co., Ltd.
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