Entel HT900 Series Setup guide

CHP SERIES
Quick Start User Guide
HEAVY DUTY EAR DEFENDER HEADSET
Designed in the United Kingdom
Contact
For more information about our products please contact us:
[phone] [e-mail] entel.co.uk
All Rights Reserved. Copyright Entel UK Ltd.
V1.0

CHP SERIES
Thank you for purchasing the Entel CHP
ear defender headset. This user guide will
explain the features of your headset, which
with care should provide many years of
trouble free operation.
The CHP Series headset provides hands-
free communications in high ambient noise
environments.
FITTING
Place the ear defenders over your ear with
the comfort headband (or hardhat) on top
of your head. Position the adjustable boom
microphone to sit as close to your mouth
as possible. Attach the remote PTT unit
to your clothing around the lapel area.
OPERATING INSTRUCTIONS
• Ensure the radio is switched off, remove
the rubber dust cover and insert the CHP
connector onto the accessory socket. Secure
by turning the connector screw clockwise until
finger-tight (do not over tighten). You can now
turn on your radio.
• Press the PTT button to transmit and
release to receive.
• If you detach the CHP accessory, please
always replace the dust cover to protect
your radio’s accessory connector.
IMPORTANT
Always switch the radio o before
attaching an audio accessory. Models that
are certied to ATEX & IECEx have been
clearly labelled. Should, in the course of
use, any labels be removed or become
illegible please return the accessory to
Entel for relabelling.
SPECIFICATIONS
EAR DEFENDER HEADSET
Mic. element Electret condenser
Speaker impedance 32 ohm
Microphone impedance Max 2.2k ohm
Output sound pressure level 117dBA +/- 10dB
Rated input 10 mW
Maximum input 20 mW
PTT UNIT
Submersible IP67 (1 metre for 30 minutes)
Dimensions 76mm x 60mm x 24mm
Weight 142g
PACKING LIST
CHP headset
PTT unit
Quick Start User Guide
Model Series PTT model no. Intrinsically
safe cert. no.
Approval
CHP950D HT500, HT800
HT900
PTT950 Sira 10ATEX2066X &
IECExSIR10.0097X
ATEX &
IECEx
CHP950HD HT500, HT800
HT900
PTT950 Sira 10ATEX2066X &
IECExSIR10.0097X
ATEX &
IECEx
CHP950HS HT500, HT800
HT900
PTT950 Sira 10ATEX2066X &
IECExSIR10.0097X
ATEX &
IECEx
CHPD HT700 PTT750 None None
CHPHD HT700 PTT750 None None
CHPHS HT700 PTT750 None None
CHPD HX PTT450E None None
CHPHD HX PTT450E None None
CHPHS HX PT T450E None None
CHPD DX PTT450E/DX None None
CHPHD DX PTT450E/DX None None
CHPHS DX PT T450E/DX None None
Above approvals apply to specific models only
V1.0
PTT UNIT
EAR DEFENDER
HARDHAT
HELMET ADAPTOR
BOOM MICROPHONE