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
2
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:-
3
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
04
04
05
06
06
09
10
11
11
12
12
13
13
13
14
14
15
15
16
16
17
17
18
18
20
21
22
25
26
TABLE OF CONTENTS
4
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
5
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
6
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.
7
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.
WX
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
10
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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