Retevis RM20 User Manual

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While monitoring Channel 70 and a Distress Relay acknowledgement is received:
1.The emergency alarm sounds.
• Push any key to stop the alarm.
2."DSC” appears and “RCV RELAY”scrolls at the channel comment indicator, then
Channel 16 is automatically selected.
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The Individual call function allows you to transmit a DSC signal to a specific ship only.
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1.Push [DSC] to enter the DSC menu.
• “INDIVIDUAL* scrolls at the channel comment indicator.(Image1)
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then push [DSC].
•The ID code for the Individual call must be set In advance.(Image2)
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•Intership channels are already preset into the transceiver in recommended order.
•Channel 70 is selected and "READY” appears after pushing [DSC].(Image3)
4.Push [DSC] to transmit the Individual call.
• If Channel 70 Is busy, the transceiver stands by until the channel becomes(Image4)
5.After transmitting the Individual call, standby on Channel 70 until an acknowledgement
is received.
• "WAIT ACK” scrolls at the channel comment Indicator.(Image5)
6.When the acknowledgement “Able to comply” is received, the specified channel (in step ) is selected with beeps automatically.
Or, when the acknowledgement ‘Unable to comply” Is received, the display returns to the operated channel (before entering the
DSC menu) with beeps.
• "RCV ABLE ACK" OR "RCV UNABLE ACK” scrolls at the channel comment indicator.(Image6)
7.Push and hold [PTT] to communicate your message to the responding ship when ‘Able to comply' is received.
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When receiving an Individual call, you can transmit an acknowledgement (‘Able to comply1”or ‘Unable to comply”) by using the on screen
prompts (refer to "Receiving an Individual call”). You can also send an acknowledgement through the menu system as follows.
1.Push [DSC] to enter the DSC menu.
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•"INDV ACK* item appears after an Individual call is received.
•"INDV ACK” item disappears if another call is received after the Individual call.
•The Individual acknowledgement can be transmitted to the last received Individual call only.(Image7)
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4.Push [DSC] to enter the standby condition for Individual acknowledgement call.
• "READY” appears at the channel comment indicator.(Image9)
5.Push [DSC] to transmit the acknowledgement to the selected station.(Image10)
6.After the Individual acknowledgement has been transmitted, the display changes to the channel specified by the calling station
automatically when “ABLE* is selected.(Image11)
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While monitoring Channel 70 and an Individual call Is received:
1.The emergency alarm or beeps sound depending on the received category.
2."DSC* appears and *RCV INDIVIDUAL’ scrolls at the channel comment indicator.
3.Push any key to stop beep.
4.Push [DSC] to reply the call and select the channel specified by the calling station for voice
communication; Push any other key to ignore the Individual call.
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The Group call function allows you to transmit a DSC signal to a specific group only.
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1.Push [DSC] to enter the DSC menu.
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(Image1)
(Image2)
(Image3) (Image4) (Image5) (Image6)
(Image7)
(Image8) (Image9) (Image10) (Image11)
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Retevis RM20 Specifications

General

Brand	Retevis
Model	RM20
Category	Marine Radio
Language	English