NAVICOM PACK RT311 Operating instructions

VHF Marine Radio
PACK RT-311
INSTALLATION
AND OPERATION GUIDE
Navicom plaisance: Z.A. des Boutries, 78700 Conflans Ste Honorine
Tel: 01.39.72.19.90 Fax: 01.39.19.28.98
Navicom Pro: 3, rue J. Cugnot, Z.A.C Petit Guelen, 29000 Quimper
Tel: 02.98.94.64.70 Fax: 02.98.94.69.71

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TABLE OF CONTENTS
Equipment Description…………………………………....……….…..…2
Introduction….…………………………………..………..………………..2
Safety Information……………………………………………….………..3
Using The Radio…………………………………………....…….…….…3
Display...………………………………………………………….……......3
Function And Location Of The Controls……………………….…….….4
Basic Operation………………………………………..……….…........…4
Turning On/Off Your Transceiver……………………………….……….5
Adjusting Squelch…………………………………...…...…………….…5
Selecting High/Low Power or Lock keypad………………...............…5
Selecting a Channel………………………………………………………5
Transmitting and Receiving………………………………………………5
Scanning Features………………………………………………………..6
Adding Channels to Memory………………………………………........7
Using the Monitor Modes………………………………………….……..7
Dual Watch…………………………………………………………....…...7
Tri Watch……………………………………………………………...…...8
Resetting the Radio……………………………………………………....8
Attaching and Charging Your Battery Pack……………………..........9
Using the Belt Clip………………………………………………..…......9
Technical Specifications……...…………………………………..…….10
Frequency Charts…….…………………………………………......11
Cigarette Lighter Battery compartment, Cigarette Lighter Battery
Charging and Earphone Manual……………………………………….12

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Equipment Description
INTRODUCTION
Your marine transceiver PACK RT311 represents the state-of-the-art
in high-tech engineering. Designed for international operation. This
allows you to transmit and receive on all international channels in the
VHF marine band, as assigned by the international Union (ITU). This
unit is a quality piece of electronic equipment, skillfully constructed
with the finest components. It is approved with commercial-grade
standards to give you clear, reliable communication.
Your transceiver is designed for many years of reliable, trouble-free
performance. It is under control of a microprocessor resulting in
enhanced features and performance. The microprocessor controls
not only the marine band tuning but also dual watch, memory
channels, and a host of other useful features.
Your transceiver has the following features:
Channel 16 Switch -------- provides quick access to channel 16, the
universal marine frequently used channel.
PLL (Phase Lock Loop) Controlled Circuitry ---- Provides accurate
and stable channel selection.
Squelch Adjustment ----------------------- help eliminate noise between
transmissions.
Key Lock ----------- lets you lock the keypad in order to prevent the
controls from accidental pressing.
High/Low Power Selection ---- lets you save power by selecting a
suitable transmitting power for long or short distances.
Battery Level Indicator ---- shows the battery pack’s condition.
Supplied Battery Charge ------ lets you conveniently recharge your

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transceiver’s battery pack.
Backlit LCD Display -------- allows you to operate the transceiver in
dark environment.
Memory Channels ---- lets you store channels as memory channels.
Du/Tri ---- lets you to select DW/normal mode or Tri/normal mode.
We recommend you record your transceiver’s serial number here.
This number is on the transceiver’s back panel.
Serial Number_______________________
SAFETY INFORMATION
Your hand-held marine VHF radio contains a low power transmitter.
When the Push-To-Talk (PTT) button is pushed it sends out radio
frequency (RF) signals.
USING THE RADIO
DISPLAY
Your radio comes with a multifunctional display.

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16 DU/TRI
SCAN
HL
FUNCTION AND LOCATION OF THE CONTROLS
BASIC OPERATION
Before operating your transceiver, you should make the following
preparations. You should install the battery pack on to the main unit
and fully charge your 7.2V Ni-MH battery pack or charge it separately
before its being attached onto the radio, then you can use it after
making sure to attach the antenna on your radio.

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Turning On/Off Your Transceiver
Rotate VOLUME knob to turn the transceiver on or off with an
indicating voice of click. And adjust the volume to a comfortable level.
Adjusting Squelch
Rotate SQ knob to adjust squelch threshold level.
Squelch is used to eliminate static and background noise and allows
for silent operation of the PACK RT311 until a transmission is
received. If the squelch is too high, only the strongest transmissions
can be heard, and when too low, intermittent static and noise are
heard.
Selecting High/Low Power or Lock keypad
Press and release this key to toggle the transmit power between high
and low. When the unit is operating at low power, “Lo” appears on
LCD and “Hi” appears on LCD when operating at high power.
You also can lock your radio keypad to avoid accidental pressing of
keys by activating the key lock. Pressing and holding HL button until
key lock icon will appear on LCD if it is enabled. The function is
effective to all other knobs/keys except PTT and HL buttons.
Selecting a Channel
Press the ▲/▼(UP/DOWN) button to scroll through the available
channels.
Note: Not all channel numbers are available in INT bands.
Transmitting and Receiving
Press and hold the Push-To-Talk (PTT) key to transmit on the
selected channel, then release to receive. The TX indicator appears
while transmitting.

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SCANNING FEATURES
The PACK RT311 is equipped with three types of scan options: All
Scan, Saved(Memory) Scan and Priority Scan. If there are no
channels in memory, the default is All Scan. This function
automatically searches for transmissions on the channel set being
scanned. If a TX signal is received, the scan stops on the receiving
channel as long as it is present and the SCAN indicator flashes. If the
signal is lost for five seconds, the radio resumes scanning. During the
Scan Modes:
Press the Channel ▲/▼(UP/DOWN) button to change the scan
direction. UP increments the channel while DOWN decrements it.
Press and release the SCAN button to terminate the SCAN mode.
Du/TRI button do not function and sound an error beep if pressed.
Note: Scan modes are disabled when the ATIS operation is active.
All Scan
Press and release the SCAN button when no channels are stored in
memory to activate the All Scan function. The SCAN indicator
appears on the LCD during All Scan. In All Scan mode, all channels
in the channel set are scanned in sequence, assuming no channels
have been stored in memory. After the last channel number has been
scanned, the cycle repeats.
Saved (Memory) Scan
Press and release the SCAN button when there is at least one
channel in memory to activate the Saved Scan function. In Saved
Scan Mode, the SAVED and SCAN indicators appear on the LCD. In
Saved Scan mode, only the channels that have been saved in
memory are scanned in sequence. After the last saved channel
number has been scanned, the cycle repeats.

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Adding Channels to Memory
The PACK RT311 can store any channel (including Private Channels).
The stored channels are the ones scanned in the Saved (Memory)
Scan mode.
To Add Channels to Memory
1. During normal operation mode, use the UP/DOWN key to select
the desired channel for programming.
2. Press and hold the scan key for 3 seconds.
The SAVED icon appears to indicate the current channel has been
saved in memory. Any number of channels can be saved as memory
channels.
To Delete Channels from Memory
1. During the normal mode, use the UP/DOWN key to select the
channel to be deleted.
2. Press and hold the scan key for 3 seconds.
The selected channel is deleted from memory.
Using the Monitor Modes
The Watch Modes monitor the programmed Priority Channel and
other user selected channel(s). The watch is halted when activity is
detected on a monitored channel. The PACK RT311 is equipped with
2 types of monitor operations: Dual Watch and Tri Watch.
Note: Monitor modes are disabled when the ATIS operation is active.
Dual Watch
Press and release the Du/TRI button to activate the Dual Watch
mode. The DUAL indicator appears on the LCD. Dual Watch monitors
the current working channel and Channel 16 in cycle. Dual Watch is
demonstrated in the figure to the left; the sample working channel is
CH 72.
Press and release the Du/TRI button to terminate Dual Watch and
return to the previous working channel.

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Press and hold the Du/TRI button to terminate Dual Watch mode
and go into Tri Watch mode.
Press and release the 16 button to terminate Dual Watch mode and
switch to the Priority channel.
Note: During Dual Watch mode, the SCAN and Channel ▲/▼(UP/DOWN)
button are inactive and sounds an error beep if pressed.
Tri Watch
Press and hold the Du/TRI key for 3 seconds to activate Tri Watch
mode. The TRI indicator appears on the LCD. Tri Watch monitors in
cycle Channel 16, the current working channel and the channel you
have set as the Favourite (PLUS) Channel. Tri Watch is
demonstrated in the figure to the left; the sample working channel is
CH 72.
Press and release the Du/TRI button to terminate Tri Watch and
return to the previous working channel.
Press and release the 16 button to terminate Tri Watch mode and
switch to the Priority Channel.
Note: During Tri Watch Mode, the SCAN, and Channel ▲/▼(UP/DOWN)
keys are inactive and sounds an error beep if pressed.
Resetting the Radio
You can reset many radio settings back to their factory defaults, this
will:
• Erase any channels stored in memory
• Return to International channels, if another mode is selected
• Turn OFF the Weather Alert setting, if active
• Return power settings to their original state
To perform the reset:
1. Turn the radio OFF.
2. Simultaneously press and hold the SCAN & UIC button.
3. While continuing to hold these keys, power the radio ON.
The LCD remains blank for 2 seconds, and then the unit switches to
channel 16.

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Attaching and Charging Your Battery Pack
Before attaching the pack, you should detach the belt clip first, then
aligningly place the pack on the unit and secure it using the supplied
screw.
The design of the battery pack let you can charge it either when it is
attached on the radio or being detached. You should use the supplied
specialized wall charger to charge it (7.2V Ni-MH battery pack) for
14~15hrs. For charging the battery pack, Connect the AC wall
adapter into a standard wall socket and insert the plug into the charge
jack on the side of the battery pack to start the charging.
Note: The charging can not stop itself without prevention, even when the
battery pack has been fully charged. Do not forget to take the radio/battery
pack out of the charger cradle when it has been fully charged.
Overcharging batteries may result in damage to both the battery pack and
radio.
Using the Belt Clip
The supplied belt clip lets you easily attach the transceiver to
your belt. To attach the belt clip, put it onto the back of your
transceiver aligning the fitting groove and use a standard
PHILIP screw driver to secure.

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TECHNICAL SPECIFICATIONS
Channels…………………………………..All International Channels
Frequency Method………………………….………….Phase Lock Loop
Frequency Range…………………………..TX 156.025~157.425 MHz
RX 156.300~162.000 MHz
Antenna Impedance……………..……………………………....50 Ohm
Power Supply…………………………………………..………7.2VDC
Operating Temperature……………………….....-20℃to +55℃
Dimensions (HWD)………………..…… (With 7.2V Battery Pack)
‘ 148mm(H)*60mm(W)*39mm(D)
Weight (with Battery Pack)…….… (With 7.2V Battery Pack) 421.5g
TRANSMITTER
Power Output……………….………0.8 or 5 Watts (Switch Selectable)
Modulation Type……………………………………….…….…...…….FM
Hum and Noise Attenuation……………………………….……..…35dB
Audio Distortion.................................………........…........................5%
Spurious Suppression....................................…………….............70dB
RECEIVER
Sensitivity at 12dB Sinad...........................…………...….......0.3μV
S/N Ratio (20dB)...............................…....……………………….0.8μV
Squelch Sensitivity.......…………...….......Threshold –12dBμV(EMF)
Adjacent Channel Rejection...................................……..……….. 70dB
Audio Power Output………………………………250mW at 10% THD
Spurious Response Attenuation………….........…………...………70dB
Hum and Noise Attenuation………………………………………40dB
Modulation Acceptance Bandwidth………………+/- 7.0KHz Minimum
Note: The data are typical, and the practical ones may be varied.

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FREQUENCY CHARTS
Unit: MHz
INT
TX RX TX RX
1 156.050 160.650
2 156.100 160.700
3 156.150 160.750 60 156.025 160.625
4 156.200 160.800 61 156.075 160.675
5 156.250 160.850 62 156.125 160.725
6 156.300 156.300 63 156.175 160.775
7 156.350 160.950 64 156.225 160.825
8 156.400 156.400 65 156.275 160.875
9 156.450 156.450 66 156.325 160.925
10 156.500 156.500 67 156.375 156.375
11 156.550 156.550 68 156.425 156.425
12 156.600 156.600 69 156.475 156.475
13 156.650 156.650
14 156.700 156.700 71 156.575 156.575
15 156.750 156.750 72 156.625 156.625
16 156.800 156.800 73 156.675 156.675
17 156.850 156.850 74 156.725 156.725
18 156.900 161.500 75 156.775 156.775
19 156.950 161.550 76 156.825 156.825
20 157.000 161.600 77 156.875 156.875
21 157.050 161.650 78 156.925 161.525
22 157.100 161.700 79 156.975 161.575
23 157.150 161.750 80 157.025 161.625
24 157.200 161.800 81 157.075 161.675
25 157.250 161.850 82 157.125 161.725
26 157.300 161.900 83 157.175 161.775
27 157.350 161.950 84 157.225 161.825
28 157.400 162.000 85 157.275 161.875
86 157.325 161.925
87 157.375 157.375
88 157.425 157.425

1. Install the battery case with DC-DC supply to the main unit.
2. Plug the Cigarette Lighter Battery compartment into the
socket of the battery.
3. Rotate the VOLUME knob to turn the radio ON.
4. You can start to use the radio.
1. Plug the earphone jack into the socket of the main unit.
2. Insert the earphone into the ear; and hold somewhere on
your cloth with the clip of the earphone.
3. You can hear the voice signals through the earphone.
4. Press PTT key on the earphone cable to send callings. At
this moment, PTT on the main radio does not work.
PACK RT311 Cigarette Lighter Battery compartment, Cigarette Lighter
Battery Charging and Earphone Manual
PACK RT311 Cigarette Lighter Battery compartment using:
PACK RT311 Earphone using:
12





Pack RT-311 : Utilisation de l’écouteur
1. Connectez la prise jack de l’écouteur dans la prise située sur le
côté droit de la VHF (comme indiqué sur le schéma).
2. Insérez l’écouteur dans votre oreille et fixez le fil à vos
vêtements à l’aide de la pince fournie.
3. Vous pouvez alors entendre les signaux vocaux par le biais de
l’écouteur.
4. Appuyez sur la touche [PTT] située sur le câble de l’écoteur
pour émettre. Cette touche est prioritaire sur la touche [PTT] de
la VHF qui est alors désactivée.
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PACK RT-311 – Alimentation sur prise allume-cigare, Charge de la
batterie sur prise allume-cigare & utilisation de l’écouteur
Pack RT-311 : Alimentation sur prise allume-cigare
1. Installez le boîtier batterie pour alimentation cc/cc sur la VHF.
2. Connectez le cordon allume-cigare dans la prise de la batterie,
comme indiqué sur le schéma ci-contre.
3. Tournez le bouton [VOLUME] pour mettre la VHF sous tension.
Vous pouvez commencer à utiliser la VHF normalement.
4.

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Tableau de fréquences
Unité : MHz INT
TX RX TX RX
1 156.050 160.650
2 156.100 160.700
3 156.150 160.750 60 156.025 160.625
4 156.200 160.800 61 156.075 160.675
5 156.250 160.850 62 156.125 160.725
6 156.300 156.300 63 156.175 160.775
7 156.350 160.950 64 156.225 160.825
8 156.400 156.400 65 156.275 160.875
9 156.450 156.450 66 156.325 160.925
10156.500 156.500 67 156.375 156.375
11156.550 156.550 68 156.425 156.425
12 156.600 156.600 69 156.475 156.475
13156.650 156.650
14156.700 156.700 71 156.575 156.575
15156.750 156.750 72 156.625 156.625
16156.800 156.800 73 156.675 156.675
17156.850 156.850 74 156.725 156.725
18156.900 161.500 75 156.775 156.775
19156.950 161.550 76 156.825 156.825
20157.000 161.600 77 156.875 156.875
21157.050 161.650 78 156.925 161.525
22157.100 161.700 79 156.975 161.575
23157.150 161.750 80 157.025 161.625
24157.200 161.800 81 157.075 161.675
25157.250 161.850 82 157.125 161.725
26157.300 161.900 83 157.175 161.775
27157.350 161.950 84 157.225 161.825
28157.400 162.000 85 157.275 161.875
86 157.325 161.925
87 157.375 157.375
88 157.425 157.425

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Spécifications techniques
Canaux..................................................Tous les canaux internationaux.
Méthode de fréquence................................................Phase Lock Loop
Echelle de fréquence................................TX : 156.025 à 157.425 MHz
RX : 156.300 à 162.000 MHz
Impédance de l’antenne............................................................50 Ohms
Alimentation................................................................................7.2 V cc
Température de fonctionnement..........................................-20 à +55°C
Dimensions (avec pack batterie de 7.2 v)...................148 x 60 x 39 mm
Poids (avec pack batterie de 7.2 V).............................................421.5 g
Emetteur
Puissance de sortie.............0.8 ou 5 Watts (sélection par commutateur)
Type de modulation............................................................................FM
Atténuation du bruit........................................................................35 dB
Distorsion audio.................................................................................5%
Suppression des bruits parasites...................................................70 dB
Récepteur
Sensibilité à 12 dB Sinad..............................................................0.3 µV
Rapport S/N (20 dB)......................................................................0.8 µV
Sensibilité squelch................................................seuil -12 dB µV (EMF)
Rejet des canaux adjacents...........................................................70 dB
Puissance de sortie audio.......................................250 mW à 10% THD
Atténuation de réponse parasite....................................................70 dB
Atténuation du bruit........................................................................40 dB
Largeur de la bande d’acceptation de modulation..+/- 7.0 kHz minimum
Note :
Les valeurs indiquées ici sont des données type et peuvent varier
légèrement des données réelles.
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