Entel HT981 User manual

Submersible
Dependable
Tough
ATEX approved
Intrinsically Safe
II 2 G
Ex ib IIC T4
HT981 / 917
UHF submersible transceiver
v04/08
OWNERS MANUAL
M
SUBMERSIBLE
II 2 G Ex ib IIC T4
EPSILON 08ATEX2374X
Use only with Entel approved
accessories - see user guide
DO NOT CHARGE IN A
HAZARDOUS AREA
MENU
CH 2
H

CE COMPLIANCE STATEMENT
All HT981 / HT917 transceivers display "CE" on the serial number label,
indicating compliance with all relevant EC directives.
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:-
HT981 UHF / HT917 Lowband VHF 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 300 086-2 V1.1.1, EN 301 489-1 V1.5.1:2003, EN 60065:2002
Following provisions of the R&TTE directive.
And
Directive 94/9/EC (ATEX) Notified Body 1712
Harmonised Standards:
BS EN 60079-0:2006
BS EN 60079-11:2007
Epsilon Compliance Services
Deeside Lane, Chester CH1 6DD
Certificate number EPSILON 08ATEX2374X
Quality Manager
2
M. Austin
Quality Manager
March 2008

3
Remove the accessory connector cover located on top of the radio by
rotating its screw anti-clockwise.
1.2 ATTACHING AUDIO ACCESSORIES
1. ATTACHING THE BELT CLIP
Align the belt clip with the plastic slots of the battery pack. Slide the
belt clip downwards onto the battery pack, pushing firmly until a click
is heard.
2. BATTERY REMOVAL/ATTACHMENT
1.1 PREPERATION PRIOR TO USE
1. Turn the transceiver off.
2. Hold the radio and rotate the battery release screw anti-clockwise.
Ensure that you do not hold the battery pack when unscrewing
the release screw as the radio will fall to the floor!
Locate the audio accessory plug on top of the socket and rotate the locking
screw clockwise until finger tight (do not use a screwdriver or coin etc).
Note: The accessory socket is only waterproof with either the accessory
socket cover in place or with an accessory connected.
Figure 1.
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 until finger tight Do
not over tighten the screw.
(Refer to certificate EPSILON 08 ATEX 2374X for permitted accessories)

4
1.3 CONTROLS AND INDICATORS
ON/OFF BUTTON
Momentarily press to switch on. Press and hold to switch off.
PUSH TO TALK SWITCH
Hold down to transmit, release to receive.
UP/DOWN buttons
Select the desired channel by pressing the UP/DOWN buttons.
For fast channel selection hold down for more than 1 second.
LAMP/LOCK button
P1 & P2 buttons
Dealer programmable.
button
Enter/Select.
1.
3.
4.
5.
6.
7.
Momentarily press to turn backlight on/off. Press and hold to turn
backlight on / off. Press and hold to turn monitor on / off.
VOLUME CONTROL
2.
Rotate clockwise to increase received volume. Rotate
anticlockwise to reduce received volume.
M button
Menu select button.
8.
MON buttons
Dealer programmable.
ANTENNA
Connects the supplied flexible antenna or an optional external
aerial adaptor
BATTERY
Rechargeable Lithium-lon battery packs.
ACCESSORY SOCKET
To connect to an Entel approved audio accessory
9.
10.
11.
12.
Models suffixed S have alternative frequency ranges but are identical in
operation to the models without the suffix.

Figure 2. CONTROLS & INDICA
TORS
SWITCH
PTT
UP/DOWN
MON
LAMP/LOCK
ANTENNA CONNECTOR
11 BA
TTERY PACK
12 ACCESSOR
Y CONNECTOR
P1 & P2 DEALER
5
M
SUBMERSIBLE
II 2 G Ex ib IIC T4
EPSILON 08ATEX2374X
Use only with Entel approved
accessories - see user guide
DO NOT CHARGE IN A
HAZARDOUS AREA
VOLUME CONTROL
POWER
PROGRAMMABLE
BUTTONS
ENTER/SELECT
MENU

6
CHANNEL DISPLAY
The operating channel.
Appears whe
n key
ble
ep sound is turned on
.
H/L
Indicates High or Low power selected.
SCA
N
Appears when scan is activated
.
1.4 LCD INDICA
TORS
Figure 3. LCD indications
VOX
Voice operated mode enabled
.
The keypad is locked
.
The
Lit
hium-lon battery of your transceiver is continually
monit
o
red for your convenien
c
e
a
n
d
safety.
MON
Indicates CTCSS/DSS dis
a
bled on receive allowing monitoring of the
channel
.
MENU
CH 2
H

7
1.6 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 momentarily pressing the power button.
A power on tone is generated after 1 second to indicate the
transceiver has passed its self-diagnostic test. Select the desired audio
level by rotating the volume control clockwise.
2. Select the desired channel using the [UP/DOWN] buttons.
3. When receiving a signal the LED indicator illuminates green.
1.5 RECEPTION

8
Lithium-Ion battery packs must be recycled or disposed of properly.
For requirements in your area, check with the dealer from whom you
purchased your transceiver.
DO NOT INCINERATE
Do not dispose of your battery in a fire or incinerator.
The heat of fire may cause battery cells to explode and/or release
dangerous gases.
DO NOT SHORT BATTERY PACK TERMINALS
Shorting the terminals that power the transceiver can cause sparks,
severe over heating, burns, and battery cell damage.
If the short is of sufficient duration, it is possible to melt the battery
components. Do not place a loose battery pack on or near a metal
surface or objects such as paper clips, keys, tools etc.
When the battery pack is installed on the transceiver, the terminals
that transfer current to the transceiver are not exposed.
The terminals that are exposed on the battery pack when it is mounted
on the transceiver are charging terminals only and do not constitute a
hazard.
DISPOSE OF BATTERY PACKS PROPERLY
1.7 BATTERY SAFETY
The battery pack of your transceiver contains lithium-Ion cells.
This type of battery stores a charge powerful enough to be dangerous
if misused or abused, especially when removed from the transceiver.
Please observe the following precautions:

9
1.8 NOTES
Use this page to record important information, such as the serial
number of your HT900 V2R1 Series transceiver, and any of the
frequencies and sub-tones programmed by your dealer.

10

11
ATEX approved
Intrinsically Safe
EPSILON 08ATEX2374X
The HT981/HT917 must always be used within the terms of its certification.
Keep the HT981/HT917 away from aggressive substances. If used in a
hostile environment, extra protection may be needed.
To prevent ignition of hazardous atmospheres, batteries must only
be charged in an area known to be non hazardous.
No unauthorised repairs are permitted.
This equipment is designed and manufactured to protect against
other hazards as defined in paragraph 1.2.7 of Annex II of the ATEX
Directive 94/9/EC
Certification
II 2 G
Ex ib IIC T4
HT900 series radios must not be used outside of the ambient temperature
range Tamb = -20ºC to +40ºC
The battery pack must be recharged only with one of the ENTEL battery chargers listed below:
CSAHT 1-way intelligent rapid charger, 110-230v
CSBHT 6-way intelligent, rapid charger, 110-230v
CCA230 1-way trickle charger with 230V mains adapter
CCA110 1-way trickle charger with 110V mains adapter
CCA12 1-way trickle charger with cigar lighter lead, 12V DC operation
Refer to certificate EPSILON 08 ATEX 2374X for permitted accessories

Copyright Entel UK Ltd, London
Registered Community Design Application 000044375
U.S. Design Patent Pending No. 29/183,829
Copyright and Unregistered Design Right Entel UK 2008.
All rights reserved