User Manual

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Table Of Contents

Standard Features:

• Up to 16 programmable channel positions

• Transmit power output 0.5 Watts

• CTCSS & DCS (Analogue & Digital squelch) with squelch tail elimination (removes the ‘shh’ noise)

• Exceptionally loud and clear audio

• Robust design, exceeds MIL-STD-810C/D/E/F

• Environmentally protected to IP68 i.e. submersible to 5 metres for up to 60 minutes

• 1800mAH Lithium-Ion battery for superior operational time

• Automatic power save to further increase operational time

• Low battery alert indicates when the battery needs recharging via a warning bleep and a slowly

flashing red LED

Dealer Programmable Features:

• VOX for hands free operation (with suitable audio accessory)

• Channel scanning

• Panic (personal attack) button causes high pitch, high volume, siren tone to be emitted from the

radio’s speaker

• Voice scrambler

• Key lock button

• Prefixed minimum volume level and fixed bleep level

• Channel monitor (CTCSS/DCS Defeat)

HT446E

Using Your Radio cont...

Channel Scan (Dealer Programmable Function)

Scanning allows you to efficiently monitor radio activity. When scanning, the tranceiver checks for

a signal on each channel and will only stop if a signal is present.

HT446E - To start / stop scanning, press the dealer assigned function button.

HT446L - Turn the channel control to the scan channel assigned by your dealer.

The yellow LED will rapidly flash to indicate the radio is scanning. When a valid signal is detected,

the radio will stop scanning and monitor the transmission. At the end of the transmission the radio

will remain on the channel for 5 seconds allowing you to reply to the call if desired. If you do not

reply within this time, the radio will automatically resume scanning.

Voice Scrambler (Option)

With the optional voice scrambler you can prevent potential eavesdropping on your radios calls

calls by others. This will make your voice transmission difficult to understand by anyone monitoring

the same channel as you are using. If your dealer has made this a selectable feature, follow the

instructions provided by the dealer.

*Due to local regulation, in some countries the scrambler feature may not be available, please

check with your dealer prior to purchase.

CTCSS / DCS

This is used to reduce interference fromother users on a shared two-way radio communications

channel. Where more than one user group is on the same channel, CTCSS or DCS can be used to

filter out other users. This means you will only hear calls from your group of radios. If the channel

you are using is in use by another user on a different tone, the yellow LED will illuminate on your

radio (indicating the channel is in use). Do not transmit while the channel is busy as both

transmissions will distort.

VOX - Automatic Voice Activation (Dealer Programmable Function)

In VOX mode the radio will react to your voice and transmit automatically without having to press

the PTT button. This is available using the radio without an audio accessory, or with a VOX

compatible accessory.

There is always a slight delay for the electronic switching, therefore starting a transmission with a

lengthy exaggerate or, throwaway, first word is recommended e.g. "H-e-l-l-o Charlie One do you

receive, over".

To enable / disable the VOX feature, press the bottom side function button below the PTT button

for 1 second.

For a list of VOX compatible audio accessories see page 5 of this guide,

contact your dealer or visit www.entel.co.uk

Nuisance Channel Delete (Dealer Programmable Function)

Allows you to remove an interfering channel that you do not want to be part of the channel scan

list. You can remove it by pressing the dealer assigned button when the interfering signal is being

received. Switching the radio off, then on, will reset the radio to its default setting.