Entel HT840 User manual

HT840

VHF submersible marine handheld transceiver

OWNERS MANUAL

Class I,ll &lll

Groups A TO G.

DIV l&ll T4

V/01

INTRINSICALLY SAFE

CLASSES I, II & III

GROUPS A TO G. DIV I & II T4

WARNING:

SUBSTITUTION OF COMPONENTS MAY

IMPAIR INTRINSIC SAFETY

USE DNLY WITH ENTEL BATTERY CNB840E

DO NOT CHARGE OR RECHARGE BATTERY

IN HAZARDOUS LOCATIONS

Submersible

Dependable

Tough

The HT840 transceiver displays "CE" on the serial number label,

indicating its compliance with the essential requirements of the EEC

directive for Electromagnetic Compatibility.

CE COMPLIANCE STATEMENT

This device complies with part 15 of the FCC rules. Operation is subject

to the following two conditions: (1) This device does not cause harmful

interference, and (2) this device must accept any interference received,

including interference that may undersired operation..

DECLARATION OF CONFORMITY

We, Entel UK Limited.

Of:-

4 Elstree Gate, Elstree Way,

Borehamwood, Herts.

WD6 1JD

United Kingdom.

Declare under our sole responsibility that the product:-

HT840 VHF Marine Submersible Transceiver

Serial Number......................................

to which this declaration relates is in accordance with directive 95/5/EC and

conforms to the following standards or other nominative documents :-

EN 301 178-2 V 1.1.1 (2000-08), EN60950 August 1992, A11 1997

EN 60945 1997 & ETS 300 698 Annex B December 1996(Version D only)

following the provisions of the R&TTE directive.

M. Austin

Quality Manager

5th March 2004

European Versions:-

USA Versions:-

1.1 INTRODUCTION

1.2 PACKING LIST

1.3 OPTIONAL ACCESSORIES

1.3.1 ATTACHING AUDIO ACCESSORIES

1.4 CONTROLS AND INDICATORS

1.5 INDICATORS

1.6 RECEPTION

1.7 TRANSMITTING

1.8 INT, USA, & CANADIAN MODES

1.9 NOAA WEATHER CHANNELS

2.0 SCAN

2.1 EMERGENCY CHANNELS

2.2 CHANNEL 9

2.3 CHANNEL A/B INSTANT ACCESS

2.3.1 PROGRAMMING A/B INSTANT ACCESS BUTTONS

2.4 OPERATION OF A/B INSTANT ACCESS BUTTONS

2.5 VOICE SCRAMBLER

2.6 VOX (voice operated transmit)

2.7 SIMPLEX/DUPEX CHANNEL USE

2.8 BATTERY CHARGING

2.8.1 OPTIONAL RAPID CHARGER

2.9 BATTERY REMOVAL/INSTALLATION

3.0 BATTERY INDICATOR

3.1 BATTERY SAFETY

3.2 TROUBLE SHOOTING

3.3 GLOSSARY OF TERMS

3.4 CHANNEL CHART

(INT, USA, CANADIAN AND private)

3.5 SPECIFICATION

(General, receive and transmit)

3.5.1 PRIVATE CHANNELS

TABLE OF CONTENTS

The Entel HT840 is a professional marine handheld transceiver

that operates on the VHF marine band. The HT840 has 58 marine

international channels, 10 weather, and 36 dealer programmable

private channels. The 58 marine channels are switchable to

comply with USA, International or Canadian regulations, this is

done via the keypad. It has an emergency channel 16 button,

which can be immediately selected from any channel by pressing

the red 16/9 key. Weather channels can also be accessed

immediately by pressing WX key.

1.1 INTRODUCTION

The supplied package: (U.S.T.C Certified, intrinsically safe)

ඖHT840

ඖCNB840E

ඖCAT40IS

ඖCBH940

ඖOwners manual

1.2 PACKING LIST

The HT840 includes the following features: Scan, A/B quick access

channels, voice scrambler, battery life indicator, vox (voice

operated transmit), low battery indicator, large LCD with back light,

Marine transceiver

1800mAh rechargeable lithium-Ion battery pack

Flexible antenna

Spring loaded belt clip

The HT840 is supported by a wide range of essential accessories.

For an up to date list visit our web site at www.entel.co.uk

CSA640E

CSB640E

CST640E

CCA230

CCA12

CNB840E

CMP840

EA19/840

EA15/840

EA12/840

CHP1/840

EPT40/840

CHP800/HD

CHP800/HS

CHP800D

CXR5/840

CXR16/840

EHP840

CLC940

CAT40IS

CBH940

Single pod intelligent rapid charger, 110/230v operation

Six pod intelligent rapid charger, 110/230v operation

3 or 6 pod battery conditioner/analyser

230v drop in trickle charger. (Also available as 110v -CCA110)

12v drop in trickle charger

7.4V 1800mAh rechargeable lithium-Ion battery pack, with rear clip

Submersible, noise cancelling speaker microphone (heavy duty)

Earpiece microphone with PTT button

Covert style ear/microphone with transparent acoustic tube

D Shape earpiece microphone with in-line PTT

Single earpiece headset with in-line PTT(vox)

Bone conductive earpiece microphone

Heavy duty double ear defender for hardhat with PTT (vox)

Heavy duty single ear defender for hardhat and PTT (vox)

Heavy duty double ear defender with headband and PTT (vox)

Skull microphone (vox)

Throat microphone (vox)

Covert style earpiece

Heavy duty leather case with belt loop & carry strap

Flexible antenna

Spring loaded rear clip

1.3 OPTIONAL ACCESSORIES (U.S.T.C Certified)

Accessories suitable for vox operation have been marked (vox)

NOTE: DO NOT CHARGE OR REMOVE THE BATTERY PACK IN

THE HAZARDOUS AREA LOCATION.

NOTE: THE USE OF NON ENTEL APPROVED ACCESSORIES WILL

INVALIDATE YOUR U.S.T.C INTRINSICALLY SAFE APPROVAL

Locate accessory connector cover marked "ACC" Lift cover and

rotate (screw) the connector as shown in the diagram below.

1.3.1 ATTACHING AUDIO ACCESSORIES

ྙPOWER SWITCH/VOLUME CONTROL

Powers the transceiver on and off, and adjusts volume level.

ྚSQUELCH CONTROL

To set the squelch, rotate the control fully anti-clock wise,

then rotate the control clockwise until the white noise stops.

If you occasionally get breakthrough of unwanted noise,

rotate the control a little further clockwise.

ྛPUSH TO TALK SWITCH

Hold down to transmit, release to receive.

1.4 CONTROLS AND INDICATORS

Figure 1. Attaching the accessory connector

Note: The accessory socket is waterproof

without the ACC cover in place. However, when

not using an audio accessory we strongly

advise keeping the ACC cover firmly pressed in

its recess to prevent foreign objects from getting

into the socket.

Figure 2. Controls and Connectors

ྙPOWER SWITCH

ྚSQL

ྛPTT

ྜUP/DOWN

ྜྷ16/9

ྞWX

ྟSCAN

ྠMEM

ྡA/B

ྡྷH/L

ྣLAMP/KEY

LOCK

ྤANTENNA CONNECTOR

ྥBATTERY PACK

ྦACCESSORY CONNECTOR

INTRINSICALLY SAFE

CLASSES I, II & III

GROUPS A TO G. DIV I & II T4

WARNING:

SUBSTITUTION OF COMPONENTS MAY

IMPAIR INTRINSIC SAFETY

USE DNLY WITH ENTEL BATTERY CNB840E

DO NOT CHARGE OR RECHARGE BATTERY

IN HAZARDOUS LOCATIONS

ྜUP/DOWN buttons

Select the desired channel by pressing the UP/DOWN buttons.

For fast channel selection hold down for more than 1 second.

ྜྷ16/9 button

A momentary press of this button recalls channel 16 from any

location. Holding this button for 1 second recalls channel 9.

ྞWX button

Immediately recalls the weather channels.

ྟSCAN button

Starts scanning programmed channels.

ྠMEM button

Memorises a desired channel for scanning.

ྡA/B button

Immediately recalls up to 2 user-defined channels.

ྡྷH/L button

Press this button for one second to toggle between high and

low power. (1 & 5 watts)

ྣLAMP/KEY LOCK

Momentarily pressing this button illuminates the LCD display.

Holding this button for over 1 second activates the key lock.

To deactivate press button again.

ྤANTENNA CONNECTOR

Connects the supplied flexible antenna or an optional external

aerial adaptor.

ྥBATTERY PACK

Rechargeable lithium-Ion battery pack provides DC power

source to the transceiver.

ྦACCESSORY CONNECTOR

To connect any HT840 approved audio accessory.

CHANNEL DISPLAY

The operating channel.

H/L

H indicates high power (5 watts) L indicates low power (1 watt)

USA/CAN/INTL

Indicates the channel set for; USA, Canadian, and International

waters.

A Indicator

A ship-to-ship channel in U.S.A or Canadian mode whose

counterpart in the International mode is a public correspondence

(marine operator) channel.

NOAA weather channel (U.S,A & Canadian waters only)

TX Indicator

Indicates transmission in progress

VOX

Voice operated mode enabled

SCAN

SCAN mode in progress

MEM

Indicated channel is memorised for scanning

1.5 INDICATORS

Figure 3. LCD indications

SCM

Scrambler mode enabled (versions A & B only)

LAMP /

The keypad is locked, with the exception of the [PTT], [H/L] and

[LAMP] buttons.

BATTERY LIFE INDICATOR

The lithium-Ion battery of your transceiver is continually monitored

for your convenience and safety.

1. Turn the transceiver on by rotating the volume control in a

clockwise direction. A power on tone is generated after 1

second to indicate the transceiver has passed its

self-diagnostic test. During standby the LED indicator will

pulse amber every 3 seconds, to further verify its circuitry is

functioning correctly. Select the desired audio level by further

rotating the control clockwise. After power on, the transceiver

will always default to the last channel selected.

2. Turn the squelch control fully counter clockwise, then rotate

clockwise until the white noise stops. This condition is known as

the "squelch threshold" If the control is turned clockwise past

this point, weak signals may not be received.

No noise or signal is heard until a signal is received that

exceeds the squelch threshold.

3. Select the desired channel using the [UP/DOWN] buttons.

A full listing of channels can be found on page 22.

Sometimes, a slight adjustment of the squelch threshold is needed

as some channels have a higher noise level than others.

4. When receiving a signal the LED indicator illuminates green.

A "RX" indication is also displayed on the LCD.

1.6 RECEPTION

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