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Quick Start User Guide                                                                                           V2.4

INTRODUCTION

The Entel HT649 is a GMDSS IP68 submersible marine handheld radio that 

operates on the VHF marine band and has 19 channels.
To meet your exact requirements the radio may have been customised by 

your Entel dealer. These features will be explained in a separate guide 

issued by the dealer.

PACKING LIST

PACKAGE 1

HT649 

 

Marine VHF radio

CLB750G 

 

Primary battery

CAT40 

 

High efficiency antenna 

LY600  

 

Lanyard

PACKAGE 2 AS PACKAGE 1 PLUS

CNB750E 

 

Rechargeable Li-Ion battery (secondary)

CCAHT 

 

Trickle charger pod

CWCHT 

 

Mains adaptor 

CWCHT12   

12v charger lead

ASPACKCAHV3 

Bulkhead screw and spacer kit

OPTIONAL ACCESSORIES

Attaching and removing accessories

1.

To attach an accessory, remove the accessory 

cover  by  unscrewing  the  locking  screw  anti-

clockwise (leave the cover attached or store in 

a safe place).

2.

 

Plug the accessory into the socket, then 

carefully tighten the locking screw clockwise 

until finger tight (do not overtighten or use any 

implement)

3.

 To  remove  an  accessory,  unscrew  the 

locking screw of the accessory by hand in 

an  anti-clockwise  direction.  Ensure  you  re-fit 

the  accessory  socket  cover  (the  radio  is  not 

submersible without the socket covered).

BATTERY INFORMATION

Primary (CLB750G - Yellow) battery use

1. 

This is a non-rechargeable, single use Lithium battery

2. 

The  battery  is  supplied  with  a  security  seal  that  must  only  be  removed 

immediately before use

3. 

An expiry date is printed on the battery. Regularly check the date of your 

batteries and replace as required. Immediately, and safely, dispose of any 

out-of-date batteries.

Secondary (CNB750E - Black) battery charging

  

1. 

Connect  the  AC  adaptor  or  12V  charging  lead  to  the  charger  pod

 

and plug in

2. 

Turn the radio off and insert the battery pack into the charger pod, either 

with or without the radio attached. The charger LED status light changes 

to red and charging begins

3. 

When charging is complete, the charger status LED changes from red to 

green (a fully discharged battery pack will take approximately 6 hours to 

recharge) 

CAUTION

BATTERY PACK PRECAUTIONS

• 

Do not recharge the battery pack if it is already fully charged. Doing so 

may reduce the life of the battery pack

• 

After charging is complete, remove the battery from the charger

• 

Please ensure that the radio is turned off before placing it in the charger 

and never switch a radio on whilst in the charger

• 

Only use Entel branded battery packs and chargers

• 

Do not short the battery terminals or dispose of the battery in a fire

• 

Do not charge the radio and/or battery pack if they are wet

DANGER

DO NOT DISASSEMBLE OR MODIFY THE BATTERY IN ANY WAY!

Your Entel battery pack incorporates a safety circuit to avoid danger, if the 

safety    circuit  is  damaged  or  bypassed,  or  the  battery  cells  are  damaged 
directly, they may generate extreme heat, smoke, rupture and emit flames.

CONTROLS & INDICATORS

7 KEY LCD

1. 

On/Off button. Press and hold to turn the radio on or off

2. 

MEM Button:

 Adds / removes the currently selected channel to / from 

the scan list. 

SCAN Button: 

Starts/Stops scanning the channels added to the scan 

list. 

16 Button:

 Toggles between the currently selected channel and 

channel 16. 

MON Button:

 Latches squelch open

3. 

Channel up / down buttons 

4. 

Push To Talk (PTT) button. Press to speak and release to listen.

5. 

Non-programmable button

6. 

Short press toggles LCD and keypad backlight on/off. Long press 

toggles keypad lock on/off

7.

 Non-programmable button

8

. LED Indicator

Red steady

 - Transmitting

Red flashing slowly

 - Battery needs recharging

Green steady 

- Receiving

Amber pulsing

 – In standby mode

9.

 Volume Control

10. 

Microphone

1

2

8

9

5

4

6

10

Tal

k Here

3

7

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