Entel HT446 User manual

HT446

PMR446 submersible transceiver

OWNERS MANUAL

V04/06

Submersible

Dependable

Tough

SCMB

CE COMPLIANCE STATEMENT

The HT446 transceiver displays "CE" on the serial number label,

indicating its compliance with the essential requirements of the EEC directive

for Electromagnetic Compatibility.

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:-

HT446 series UHF PMR446 handheld transceiver

Serial Number

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

conforms to the following standard or other nominative documents:-

EN 300 296 (March 2001) EN 301 489-1 V1.5.1:2003, EN 60065:2002

Following provisions of the R&TTE directive.

M. Austin.

Quality Manager

1.1 INTRODUCTION

1.2 GENERAL FEATURES

1.3 PACKING LIST

1.4 OPTIONAL ACCESSORIES

1.4.1 ATTACHING AUDIO ACCESSORIES

1.5 CONTROLS AND INDICATORS

1.6 LCD INDICATORS

1.7 RECEPTION

1.8 TRANSMISSION

1.9 ADDITIONAL FEATURES

1.10 VOICE OPERATED TRANSMIT (VOX)

1.11 SIMPLE MODE (B version)

2.0 INCLUDED TRICKLE CHARGER model CCA230

2.1 OPTIONAL CHARGER model CSA640E

2.2 BATTERY INDICATOR

2.3 BATTERY SAFETY

2.4 TROUBLE SHOOTING GUIDE

2.5 SPECIFICATION (General, receive and transmit)

2.6 NOTES

INDEX

The Entel HT446 is a professional PMR446 handheld transceiver that

operates on the licence exempt UHF band. The HT446 has 8 radio

channels (maximum available on PMR446). To minimise interference

each channel may be used with any of 38 CTCSS or 83 DCS tones.

This makes over 900 channel combinations available to the user.

1.1 INTRODUCTION

The supplied package:

HT446

CNB640E

CCA230

CBH640

CCA12

Carry strap

Owner's manual

HT446 PMR446 transceiver

1800mAh rechargeable lithium-Ion battery pack

Drop in 6 hour trickle charger, 230v

Spring loaded belt clip

12v charger lead

1.3 PACKING LIST

1.2 GENERAL FEATURES

1. Heavy duty, commercial grade construction

2. Submersible to 1 metre (IP67)

3. Lithium-Ion battery technology

4. 24 hour battery endurance (5%TX/5%RX/90%STDBY)

5. VOX (Voice operated transmit) - 9 levels

6. Battery indicator, with battery low warning bleep

7. Call feature with 20 different alert tones

8. Vibrate

9. Squelch adjustment (used to increase range or remove interference)

10. Voice scrambler. (Not available in some countries)

1.4 OPTIONAL ACCESSORIES

The HT446 is supported by a wide range of essential accessories.

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

Accessories suitable for vox operation have been marked (vox)

CSA640E

CSB640E

CCA230

CCA12

CNB640E

CMP640

CMP1/640

EA15/640

EA12/640

EPT40/640

CHP1/640

CHP640HD

CHP640HS

CHP640D

CXR5/640

CXR16/640

CFC640

CLC640

CLC940

EHP640

CBH640

Single pod intelligent rapid charger, 110/230v operation

Six pod intelligent rapid charger, 110/230v operation

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)

Compact speaker microphone with earpiece jack

Covert style ear/microphone with transparent acoustic tube/ PTT

D Shaped ear microphone with in-line PTT

Bone conductive earpiece microphone

Single earpiece lightweight headset with in-line PTT (vox)

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)

Soft, real leather case with carry strap - blue, red or yelllow

Heavy duty transparent case with carry strap

Heavy duty leather case with carry strap

Covert style earpiece

Spring loaded rear clip

Locate accessory connector cover marked "ACC". Lift cover and

rotate (screw) the connector clockwise.

1.4.1 ATTACHING AUDIO ACCESSORIES

1. Attaching the belt clip. Align the belt clip with the plastic slots on the

rear of the battery pack. Slide the belt clip onto the battery pack, pushing

firmly until a click is heard.

2. BATTERY REMOVAL / ATTACHMENT

Preparation prior to use

1. Turn the transceiver off.

2. Using a coin, rotate the battery screw anti-clockwise 2 or 3 turns.

**Ensure that you do not hold the battery pack when

unscrewing the release screw!

Figure 1. Attaching the accessory connector prior to use

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.

SCMB

Figure 2.

Battery removal / Attachment

To remove rotate

the screw

anti-clockwise

3. To attach the battery: firstly,

place the battery against the

bottom of the radio, then

hinge the battery into place

against the transceiver. Rotate

the battery locking screw

clockwise taking care not to

over tighten the screw.

1.5 CONTROLS AND INDICATORS

POWER SWITCH / VOLUME CONTROL

Rotate clockwise to power the transceiver on and increase

received volume. Rotate anticlockwise to reduce received

volume and switch off.

PUSH TO TALK SWITCH

Press and hold to transmit, release to receive.

UP/DOWN button

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

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

MONITOR button

To monitor the channel press and hold the monitor button for one

second . You will hear a rushing noise & any other channel users, to

return to normal mode press and hold the monitor button again.

BATTERY PACK

A high performance rechargeable lithium-lon battery pack is supplied

as standard with your radio.

Figure 3. CONTROLS & INDICATORS

POWER SWITCH

PTT

UP/DOWN

Enter

MON

LAMP/LOCK

BATTERY PACK

ACCESSORY CONNECTOR

SCMB

CHANNEL DISPLAY

The far right (largest) number indicates the operating channel (1-8).

Appears when the key bleep sound is turned on.

CTC/DCS

Indicates if CTCSS or DCS interference suppression tones are enabled.

The CTCSS or DCS tone number is indicated in the botom left of the LCD.

SCAN Appears when scan is activated.

VOX Voice operated mode enabled.

The keypad is locked.

The status of the lithium-lon battery of your transceiver is continually

monitored and displayed for your convenience and safety.

1.6 LCD INDICATORS

Figure 4. LCD indications

SCMB

ENTER BUTTON

Used to save your settings.

ACCESSORY CONNECTOR

Allows you to connect any Entel approved audio accessory to your HT446

radio.

LAMP/LOCK BUTTON

Used to illuminate display and lock/unlock keypad.

1.8 TRANSMISSION

1. Perform steps 1 through 3 of RECEPTION.

2. Before transmitting, monitor the channel and make sure it is clear.

3. When receiving a signal, wait until the signal stops before transmitting.

The transceiver cannot transmit and receive simultaneously.

4. Press the [PTT] (push-to-talk) switch to begin your transmission.

To confirm transmission in progress the LED illuminates RED.

5. Holding the transceiver 2 inches from your mouth speak slowly and

clearly into the microphone.

6. When the transmission is finished, release the [PTT] switch.

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. Select the desired

receive volume level by further rotating the control clockwise.

After power on, the transceiver will always default to the last channel

selected.

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

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

1.7 RECEPTION

VIB

Indicates vibrate mode enabled, the transceiver will Vibrate during the

initial call.

SCMB

Scrambler enabled. Feature only available in certain countries

CALL

Call alert feature. You may select one of 20 individual call tones.

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