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Tempest 2400 Wireless Intercom System
other end. LMR-195 (or equivalent) coaxial cables can satisfactorily be used in lengths up to 10 feet.
LMR-400 coaxial cables (or equivalent) can be used at lengths up to 25 feet. Longer RF coaxial cable
runs are not recommended due to signal attenuation in the cable.
Pairs
of Directional Antennas must
be aimed to cover the same area
When locating the antennas at distances greater than 25 feet, use the optional Tempest Remote
Transceiver. The remote transceiver allows locating antennas up to 1,500 feet away from the base station
without the RF signal loss that is associated with using RF cable. Antennas can be mounted directly to
the Tempest Remote Transceiver or they can be separated from the remote transceiver using high
quality, low loss, 50 Ohm RF cable as listed above. See the Tempest Remote Transceiver section on
page 62 of this manual for more information on the setup and use of the remote transceiver.
Maximizing System Performance and Operational Range
Radio waves (especially those at 2.4GHz) can be significantly affected by walls, windows, or other
physical barriers. Concrete or metal walls can be of particular concern. Some tinted windows are also
significant barriers to RF. Always position antennas to minimize interference from all barriers.
A human body can be a barrier to the radio signal, especially when operating near the limit of the signal’s
range. If you experience interference, turn the beltstation toward the base station antenna.
Electronic equipment can generate radio interference. Install the base station antennas away from
sources of electrical interference. Be aware of the presence of nearby electronic equipment that may
cause interference as you move about while wearing the beltstation.
Reflected RF signals called multipath interference can cause intersymbol interference resulting in
compromised audio and should be suspected when audio is imperfect and there is no other obvious
cause. Typically, intersymbol interference requires a reflection path that is at least a few hundred feet, so
is most likely to occur in a large enclosed venue with highly reflective walls or ceiling. If intersymbol
interference is suspected relocate the base station antennas and/or try directional antennas to help
eliminate received reflected signals.
Line-of-sight operation between the base station antennas and the beltstations will always produce the
maximum system performance and operational range. Minimize obstructions between the base station
antennas and the beltstations when possible.
Install the base station in a convenient
location and use the Tempest Remote
Transceiver connected with CAT 5
cable and RJ-45 connectors to
position antennas in the most suitable
locations. Use omni-directional
antennas on the Transceiver or use
short lengths of LMR-195 coaxial
cable to separate antennas for
additional s
p
atial diversit
y
.
- Table of Contents 3
- A/C Power Warning 9
- Thank you from Clear-Com 10
- Battery Safety 11
- Maintenance and Care 12
- Quick Start Guide 13
- General Description 15
- Theory of Operation 17
- System Features 19
- What’s In The Box 19
- Other Items You May Need 20
- Base Station 21
- Choose a Location 22
- Base Station Location 22
- Power Connections 23
- Antenna Location 24
- Antenna Configuration 25
- Configure the Base Station 28
- Adjust Sidetone 29
- Selecting a Frequency Band 30
- Name Each Station 32
- Front Panel Lock 34
- Call Function 34
- GPO Relay Contacts 35
- Auxiliary Input/Output 36
- Stage Announce (SA) 36
- Default Settings 37
- Controls 39
- Echo Cancellation Menu 41
- Auto-Null Explained 41
- Auto-Null Procedure 43
- Test for Echo 43
- Manual Null 43
- Other Causes of Echo 44
- 2-Wire Wiring Schemes 45
- 2-W Audio links 46
- Accu-Sync 49
- Master Mode 50
- Base Station Controls 54
- Front Panel Left 54
- 7- Volume Control 55
- 8- Menu Button 55
- 9- Enter Button 55
- 10- Buttons 1 - 5 55
- 11- LCD 55
- Front Panel Right 56
- 6- IN Level Control 57
- 7- OUT Level Control 57
- 8- USB Connector 57
- 10- Power ON/OFF Switch 57
- Rear Panel Left 58
- Rear Panel Right 58
- Base Station Menu 60
- Remote Transceiver 62
- Transceiver controls 63
- Beltstation 64
- Beltstation Setup 66
- Power Options 67
- Beltstation Power On/Off 67
- Pairing with a Base Station 68
- Name Equipment 70
- Personal Preferences 70
- Set Mic Gain 71
- Wireless ISO 72
- Beltstation Overview 73
- Talk Button A/B and C/D 75
- Beltstation Menu 76
- How Do I …? 77
- From the Beltstation: 78
- From the Base Station: 78
- From the beltstation: 78
- Trouble Shooting 79
- Tempest Remote Transceiver 82
- 4-Wire intercom systems 83
- Specifications 84
- FCC Information 87
- Tempest Part Numbers 90
- Glossary 91
- Limited Warranty 93
- ECHNICAL SUPPORT POLICY 96
- EPAIR POLICY 98
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