Clear-Com WTR-670 User Manual
Operating Instructions
WBS-670, WTR-670
Professional
Wireless
Intercom System
Intercom Systems
R
Thank you for choosing Clear-Com
Clear-Com Intercom Systems would like to take this opportunity to thank you for choosing the Clear-Com
WBS-670 Professional Wireless Intercom System. Many of the features in this product are the result of years of
development work with many of the features developed from customer feedback. We hope that your experience
with this product is a pleasant one and hope to provide you with a continuing line of Clear-Com products well
into the future. In order to get the most out of your new wireless intercom system, please take a few moments to
look through this booklet before using the product for the first time.
®
Clear-Com Intercom Systems
Table of Contents
Introduction...........................................................................1-1
General Description ..........................................................................1-1
System Features .............................................................................1-1
WBS-670 Block Diagram......................................................................1-2
WBS-670 Base Station ..................................................................2-1
Controls and Connections - Front Panel...........................................................2-1
Controls and Connections - Rear Panel ...........................................................2-2
WBS-670 Specifications.......................................................................2-3
WTR-670 Beltpack .....................................................................3-1
Controls and Connections - Top Panel ............................................................3-1
Controls and Connections - Rear Panel ...........................................................3-2
WTR-670 Specifications ......................................................................3-3
Initial Equipment Set-Up ................................................................4-1
Unpacking..................................................................................4-1
Antenna Connections .........................................................................4-2
Antenna Polarization .........................................................................4-2
Distance Between Antennas ....................................................................4-2
Antenna Placement ...........................................................................4-2
Improving Reception/Increasing Range ...........................................................4-4
Base Station Set-Up .........................................................................4-5
Location................................................................................4-5
Power Connection ........................................................................4-5
Transmit Switches ........................................................................4-5
Intercom Switch..........................................................................4-6
Intercom Interface ........................................................................4-6
Auxiliary Input/Output ....................................................................4-6
Beltpack Set-Up ............................................................................4-7
Battery Installation .......................................................................4-7
Antenna Connection ......................................................................4-8
Transmit Mode...........................................................................4-8
Headset Connection.......................................................................4-8
Pre-Walk-Thru Checklist................................................................5-1
System Operation ......................................................................6-1
Frequency Plan Overview......................................................................6-1
Factory-Defined Groups .......................................................................6-1
User-Programmable Groups ....................................................................6-1
System Quick Start ...........................................................................6-1
Base Station Operation.......................................................................6-2
Power..................................................................................6-2
Local Headset ...........................................................................6-2
Beltpack Connect.........................................................................6-2
Intercom................................................................................6-2
Auxiliary ...............................................................................6-2
Display Contrast .........................................................................6-3
WBS-670 Menu Structure.................................................................6-4
Main Screen Flowchart. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
Power-Up Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Operating Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Beltpack Activity Code Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Group/Channel Select. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
Group/Frequency Select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
Frequency Edit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8
Scan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
Special Key Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-10
Lockout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-10
Copy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-10
1st Use Default. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-10
Factory Default . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-10
-i-
Table of Contents (continued)
Beltpack Operation.........................................................................6-11
Power/Local Headset Volume ..............................................................6-11
Battery Check ..........................................................................6-11
Talk Button ............................................................................6-11
Microphone Gain ........................................................................6-11
Beltpack Menu Structure ................................................................6-12
Power-Up Screens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-13
Group/Channel Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-14
Transmit Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-15
Receive Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-16
Scan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-17
Talk Button Latch on/Latch off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-18
Special Key Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-18
Lockout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-18
1st Use Default. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-18
Factory Default . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-18
System Walk-Thru .....................................................................7-1
Trouble Shooting.......................................................................8-1
Tech Tips .............................................................................9-1
Frequency Interaction .........................................................................9-1
Microphone Gain Adjustment ..................................................................9-1
Battery Information ...................................................................10-1
Intercom System Specifications ..........................................................11-1
Accessories and Replacement Parts ......................................................12-1
Customer Service Information ..........................................................13-1
Certification Information...............................................................14-1
Clear-Com Limited Warranty...........................................................15-1
-ii-
Section
1
Introduction
General Description
The Clear-Com WBS-670 UHF Synthesized Wireless inter
com systems offer the ultimate in reliable, high-performance,
high-fidelity full-duplex intercom systems.
The WBS-670 system includes the WBS-670 frequency-agile
base station, working with up to four WTR-670 fre
quency-agile beltpacks. The WBS-670 base station provides
full-duplex communications with the beltpacks.
The WBS-670 system is perfectly suited for stand-alone oper
ation, and also can interface with Clear-Com, Audiocom
(Telex®), RTS®TW party-line systems, as well as matrix systems and other 4-wire intercom systems systems. In addition
to the external intercom systems interfaces listed above, the
system provides connections for auxiliary balanced audio input and output.
The Clear-Com WBS series has been designed for reliable, efficient operation. Operating in the 518 to 740 MHz range, the
units operate reliably at line-of-sight distances of 1,000 feet.
The high efficiency beltpacks provide 12 hours of uninterrupted operation using standard alkaline batteries.
System Features
-
-
-
®
Frequency-agile base station and beltpacks. No external
•
computer/device required to select frequencies.
Backlit base station LCD allows the user to easily monitor
•
the beltpack’s status as well as change base-station fre
quencies.
Scan function on base station and beltpack to automati
•
cally find the best channels on which to operate.
Full-duplex (simultaneous talk and listen) operation.
•
Compatible with Clear-Com, Audiocom®(Telex®), RTS
•
TW, Matrix, and other wired intercom types.
Beltpack units contained in a weather and shock resistant
•
die-cast magnesium case.
Convenient IEC power connector on the base station so
•
the unit can plug directly to outlets. No in-line or wall
plug power supply.
-
-
Base station comes with rack ears for easy rack mounting.
•
Beltpack batteries last up to 12 hours when using standard
•
AA alkaline batteries.
RTS® and Audiocom® are registered trademarks of Telex Communications, Inc.
Clear-Com® is a registered trademark of Clear-Com Intercom Systems, Inc.
1-1
2-WIRE4-WIRE
STYLE
RJ45
BELTPACK 4
CONNECT
CONNECT
BELTPACK 3
CONNECT
BELTPACK 2
BELTPACK 1
CONNECT
ON/O.M.
FEMALE
XLR
ON/OFF LOGIC
XLR
MALE
XLR
FEMALEMALE
XLR
SELECTLOGIC
OUTPUT
AUDIO
AUXILIARYOUT
IN
OUT
IN
HEADSET
4
3
2
1
VOLUME
LOGIC
MIC
GAIN
AUXILIARY
AUDIO
INPUT
TALK
TALK
INTERCOM
INTERCOM
INTERCOM
C
L
E
A
R
C
O
M
R
T
S
T
E
L
E
X
I/C
TRANSMIT
RECEIVE
4
RECEIVE
1
LOGIC
LOGIC
2
RECEIVE
LOGIC
3
RECEIVE
LOGIC
2-WIRE
4-WIRE
WBS-670 BLOCK DIAGRAM
WBS-670 Block Diagram
1-2
Controls and Connections - Front Panel
Section
2
WBS-670 Base Station
1
2
Menu
SCAN
Set
WBS-670
3
Copy
Up
Down
4
1234
BELTPACKCONNECT
WBS-670 - Front Panel
1. Power switch.
2. [Menu] and [Set] buttons – Used to select menus and set
options on the LCD.
3. Backlit Graphics LCD (Liquid Crystal Display).
4. [Up] and [Down] buttons – Used to select base station
options on the LCD.
5. Beltpack Connect – Buttons used to enable or disable the
respective receiver’s audio. GREEN LED = Audio enabled, LED OFF = Audio disabled.
5
Figure 1
On/Off
8
Volume
10
9
Gain
TALK
11
12
In
Out
6
INTERCOM
2-Wire
4-Wire
Select
7
In
Out
AUXILIARY
10. Microphone Gain – Adjusts the headset’s microphone
gain. Adjusts so that the overmod light #9 flashes from
green to red on loudest speech.
11. Talk Button – Press to enable the audio path from the local
headset. LED #9 will turn green when enabled. A quick
press and release latches button on. If the talk function is
latched on, pressing the talk button again will turn it off.
12. Local Headset Connector – Male XLR connector. A dynamic or electret headset microphone is automatically detected.
6. Intercom Controls - Wired intercom interface controls.
Audio input and output level controls. 2-wire or 4-wire se
lect button with green LED indicator lights. Selected LED
will change to RED if the input levels are too high.
7. Auxiliary Controls - Wired auxiliary interface controls.
Audio input and output level controls. GREEN LED =
Aux. input enabled. LED will change to RED if the input
levels are too high.
8. Headset Volume – Controls the volume to the headset
connected to #12.
9. Talk/Overmod Light – LED is green when talk button
#11 is active. A normal mic gain setting will cause the
LED to flash red on the loudest speech levels. If the gain
is too high, the LED will be red at normal speech volumes.
-
(1) Microphone
Shield (-)
(2) Microphone
Audio (+)
(4) Headphone
Low (-)
(3) Headphone
High (+)
Figure 2
Local Headset Wiring
2-1
Controls and Connections - Rear Panel
1
2
RECEIVE
HIGH
ON
TRANSMIT
POWER
NORM
OFF
3
I/C
RTS
TELEX CLEAR-COM
4
WBS-670
FCC ID: B5DM516
CANADA 1321231218A
Intercom Systems
.
MADE IN U.S.A.
R
1. Receive Antenna - Female “TNC” Connector. Color band
on antenna must match color dot on base station.
2. Transmit Power Switch – HIGH = Transmitter at full
power. NORMAL = Transmitter 10dB below full power.
3. Transmit ON/OFF Switch – Turns the transmitter on or off.
4. I/C Select Switch – Set to the appropriate 2-wire intercom
type being interfaced to the unit. Set to either Clear-Com
RTS, or Telex
®
INTERCOM
2-WIRE
L
O
O
P
T
H
R
U
WBS-670 - Rear Panel
5
Figure 3
®
,
8
AUXILIARY AUDIO
4-WIRE
PUSHPUSH
INPUT OUTPUT
6
5. Intercom – Interface to wired intercom system.
2-Wire – Male and Female 3-pin XLR connectors
wired in parallel. The connectors are switched to the
appropriate intercom configuration via the I/C Select
Switch.
4-Wire – An RJ-45 type jack compatible with “Matrix” type intercom systems.
6. Auxiliary Input/Output – One 3-pin female XLR input
connector and one 3-pin male XLR output connector.
7. Power – IEC receptacle. Accepts 100 – 240VAC, 50 – 60 Hz
100-240 VAC50-60 Hz
TRANSMIT
POWER
7
8. Transmit Antenna - Female “TNC” Connector. Color
band on antenna must match color dot on base station.
2-2
WBS-670
Specifications
Overall
RF Frequency Range ......................518-608MHz, 614 - 740 MHz in 18 MHz TX and RX bands
Power Requirements........................................100-240 VAC, 50-60 Hz, IEC receptacle
Temperature Range ...............................................-4°Fto130° F (-20° C to 55° C)
Dimensions ..............................19.00” W x 1.72” H x 14.00” D (48.3 cm x 4.4 cm x 35.6 cm)
Weight....................................................................7lbs2oz(3.24 kg)
TX Antenna ............................................1/2Wave(supplied), TNC Male Connector
RX Antenna ............................................1/2Wave(supplied), TNC Male Connector
FCCID: .........................................................................B5DM516
Frequency Response ..............................................................300Hz-8kHz
Four Wire Input.................................................Level Adjustable (2 Vrms typical)
Four Wire Output ...............................................Level Adjustable (2 Vrms typical)
®
Telex
(AudioCom®) Intercom ........Input/Output Level Adjustable (1 Vrms typical), Line impedance 300ê
RTS Intercom .................Input/Output Level Adjustable (0.775 Vrms typical), Line Impedance 200ê
®
ClearCom
Auxiliary Input ......................................................Adjustable (2 Vrms typical)
Auxiliary Output.............................................Adjustable (2 Vrms typical into 600ê)
Microphone input sensitivity ..............................................................9mV
Local Headset Output .......................................40mW output into 600ê (1% Distortion)
Intercom ............... Input/Output Level Adjustable (1 Vrms typical), Line Impedance 200ê
Transmitter
Type......................................................Synthesized Transmitter, 712 channels
Transmit Power ..............................................50mWMax. (High), 5 mW (Normal)
Modulation Type ........................................................................FM
Deviation .............................................................40kHz(35kHzEurope)
RF Frequency Stability ................................................................0.005%
Modulation Limiter .................................................Peak-Responding Compressor
Radiated Harmonics & Spurious ........................................Exceeds FCC specifications
Receiver
Type..........Dual Conversion Superheterodyne, four Independent Synthesized IFs, FM, 712 channels each
RF Sensitivity ........................................................<0.8 µV for 12 dB SINAD
Squelch Threshold ..............................................................20dBSINAD
IF Selectivity .................................................................3dBat230kHz
Image Rejection................................................................70dBorbetter
Squelch Quieting ......................................................................90dB
RF Frequency Stability ................................................................0.005%
Distortion ................................................................<1%atfull deviation
2-3
2-4 Blank
Controls and Connections - Top Panel
1
3
2
Bat/OM Talk
Section
3
WTR-670 Beltpack
Off
Vol
WTR-670 Top Panel
1. On/Off & Volume Control – Turns the beltpack power
on and controls headset volume.
2. Bat/Overmod Light – Light will flash once when unit is
turned on if the battery is good. If the light stays on, battery is low. If the light does not flash, battery is dead. A
normal microphone gain setting will cause the LED to
flash at the beginning of most words at normal speech
levels. If the gain is too high, the LED will be red during
the complete word at normal speech levels.
4
TALK
Figure 4
3. Talk Light – LED is on when the talk button is active.
4. Talk button – Press to enable the audio path from the lo-
cal headset microphone. The “TALK” LED, #3, will turn
red when enabled. A quick press and release latches the
talk function, unless latching has been disabled in software. Holding the button for over ½ a second will cause
the audio path to be enabled only for as long as the button
is held. If the talk function is latched on, pressing the talk
button again will turn it off.
3-1
Controls and Connections - Rear Panel
MENU
SET
1
T
P
PT
C
I
M
K
L
TA
SET
MENU
2
3
MIC
PT
T
P
TALK
X
T
TX
6
7
8
9
4
5
Figure 5
WTR-670 Rear Panel/Connector/Antennas
1. [MENU] and [SET] buttons – Used to select menus and
set options on the LCD.
2. LCD (Liquid Crystal Display)
3. [UP] and [DOWN] buttons – Used to select beltpack op
tions on the LCD.
4. Microphone Gain – Adjusts the headset’s microphone
gain. Adjust so that the BAT/OM LED will flash at the be
ginning of most words at normal speech levels
6. Headset Connector – Male XLR connector. A dynamic
or electret headset microphone is automatically detected
by the beltpack and a bias voltage supplied if needed.
(1) Microphone
Shield (-)
(2) Microphone
Audio (+)
(4) Headphone
Low (-)
(3) Headphone
High (+)
Figure 6
Headset Connector Wiring
7. Battery Latch – Press down to enable the battery pack to
be released. While the latch is held down, slide the battery
pack about 1/8 inch back, toward the latch, until it stops.
Then lift out.
8. Receive Antenna – Screw type ¼-wave replaceable antenna. The receiver antenna is always the longer antenna.
Color dot on the screw end of the antenna must match
color dot on antenna receptacle.
-
9. Transmit Antenna – Screw type ¼-wave replaceable an
tenna. Color dot on the screw end of the antenna must
match color dot on antenna receptacle.
-
-
5. Push-to-Talk/Push-to-Transmit Switch –
Push-to-Talk (PT TALK) – The transmitter is always
on. No audio is sent unless the talk button is pressed.
Recommended position.
Push-to-Transmit (PT TX) - The transmitter and au
dio paths are off except when the talk button is
pressed.
-
3-2
WTR-670
Specifications
RF Frequency Range ......................518-608MHz, 614 - 740 MHz in 18 MHz TX and RX bands
Power Requirements ........................................6“AA” Cells Alkaline (NiMH optional)
Current Draw ....................................................140mA(Push-to-Talk, Talk On)
Temperature Range ...............................................-4°Fto130° F (-20° C to 55° C)
Dimensions ..................................3.75”W x 5.05”H x 1.65” D (9.5 cm x 12.8 cm x 4.2 cm)
Weight .......................................................16oz(454g) with alkaline batteries
TX Antenna ..........................................1/4Wave(supplied), Screw type, Replaceable
RX Antenna ..........................................1/4Wave(supplied), Screw type, Replaceable
FCCID: .........................................................................B5DM515
Frequency Response ..............................................................300Hz-8kHz
Microphone input sensitivity .............................................................7mV
Local Headset Output .......................................40mWoutput into 600ê (1% distortion)
Transmitter
Type................................................................Synthesized, 712 channels
Transmit Power...............................................50mWMax. (auto-power reduction)
Modulation Type ........................................................................FM
Deviation .............................................................40kHz(35kHzEurope)
RF Frequency Stability ................................................................0.005%
Modulation Limiter .................................................Peak-Responding Compressor
Radiated Harmonics & Spurious ........................................Exceeds FCC specifications
Receiver
Type...............................Dual Conversion Superheterodyne, Synthesized, FM, 712 channels
RF Sensitivity ........................................................<0.7 µV for 12 dB SINAD
Squelch Threshold .................................................20dBSINAD (About 1.0 µV)
IF Selectivity .................................................................3dBat230kHz
Image Rejection................................................................70dBorbetter
Squelch Quieting ......................................................................90dB
RF Frequency Stability ................................................................0.005%
Distortion ................................................................<1%atfull deviation
3-3
3-4 Blank
Unpacking
Section
4
Initial Equipment Set-Up
Unpack your Clear-Com®System. Below are the items that
should come with your base station and each belt pack.
Quantity Description
WBS-670
1 WBS-670 Base Station
1 Operating Instructions
1 Power Cord
2 Antennas (one Transmit and one Receive)
1 Warranty Card
1 Screwdriver
1 Warning Card
4 Rubber feet
Quantity Description
Contact the shipper or your dealer immediately if anything is
damaged or missing.
WTR-670
1 WTR-670 with Antennas
1 Battery pack
1 Instruction Sheet
1 Screwdriver
1 Warranty Card
4-1
Antenna Connection
The base station is supplied with two (2) antennas. One
1/2-wave antenna for Transmit and one 1/2-wave for Receive.
The antennas have TNC male connectors.
Menu
Up
WBS-670
VOL
O
F
F
K
O
A
M
T
L
T
B
A
/
x
e
l
e
T
SCAN
Set
1234
Down
Copy
BELTPACKCONNECT
2-Wire
Volume
In
In
4-Wire
Gain
Out
Out
On/Off
Select
TALK
AUXILIARY
INTERCOM
The frequency range of the antennas should match the receiver
and transmitter of the base station. Match the color code on
the antenna with the color code on the base station.
Attach the transmit 1/2-wave antenna to the antenna input re
ceptacle labeled “Transmit” on the right side of the rear panel.
The antenna should be vertically aligned.
Figure 7
Attaching Transmit 1/2-Wave Antenna
Attach the receive 1/2-wave antenna to the antenna input receptacle labeled “Receive” on the left side of the rear panel.
The antenna should be vertically aligned.
WTR-670
ANTENNAS SHOULD BE VERTICAL
-
Figure 9
Vertically Polarized Antennas
Distance between Antennas
The distance between the base station’s receive and transmit
antennas is not adjustable when the antennas are connected di
rectly on the back of the unit.
The antennas can be remoted for better signal path.
NOTE: If your base station is to be located in a shielded rack
mount enclosure or other poor RF location, you must remote
the 1/2-wave antennas.
Antenna Placement
Proper antenna placement probably has the most effect on
your Clear-Com
mance. The following suggestions will result in optimum performance.
Proper placement of the beltpack can be critical. The antennas
should be in the open. Bending the antennas up and placing
the beltpack in a pocket, etc., will reduce system distance.
®
Wireless Intercom System’s overall perfor-
-
T
E
L
E
X
C
L
E
A
R
C
O
M
Figure 8
Attaching Receive 1/2-Wave Antenna
Antenna Polarization
The Clear-Com®Wireless Intercom System is “Vertically Po
larized”. This means both the transmitting and receiving an
tennas should operate in the vertical position.
It is suggested that the unit be worn on the belt or pocket with
both antenna’s vertical for best operating range and perfor
mance.
VOL
O
F
F
K
O
A
M
T
L
T
B
A
/
x
e
l
e
T
WTR-670
-
-
Figure 10
Proper Dressing of the Antennas
4-2
-
Keep the distance between the base station and the beltpacks
as short as possible. The greater the distance, the weaker the
signal. Make sure the “signal paths” between the base station
and beltpacks are unobstructed. You should be able to visibly
locate the base station antennas at all times for best perfor
mance.
VOL
F
O
F
K
O
A
M
T
L
T
B
A
/
x
e
l
e
T
WTR-670
VOL
O
F
F
K
O
A
M
L
T
T
B
A
/
x
e
l
e
T
Attempting to operate the wireless intercom system through or
around walls, ceilings, metal objects, etc. will reduce system
range and performance.
-
Menu
Up
WBS-670
SCAN
Set
1234
Down
Copy
BELTPACKCONNECT
2-Wire
Volume
In
In
4-Wire
Gain
Out
Out
On/Off
Select
TALK
AUXILIARY
INTERCOM
VOL
O
F
F
K
O
A
M
T
L
B
T
A
/
x
e
l
e
T
700 FEET
WTR-670
R
WTR-670
100 FEET
Figure 13
Operating System Near Obstructions
DO NOT - mount the base station 1/2-wave antennas on, or
Menu
SCAN
Set
Up
WBS-670
1234
Down
Copy
BELTPACKCONNECT
2-Wire
In
Out
Volume
In
4-Wire
Select
INTERCOM
Gain
Out
On/Off
TALK
AUXILIARY
next to metal, such as beams, walls with metal studs, equipment racks, etc. This also applies to the antennas when assembled directly to the Base Station. This will “detune” the
Figure 11
Distance Between base station and beltpack
VOL
O
F
F
K
O
A
M
L
T
T
B
A
/
x
e
l
e
T
antennas which can result in noise or loss of RF signal at the
Base Station, see Figure 13.
WTR-670
VOL
O
F
F
K
O
A
M
L
T
T
B
A
/
x
e
l
e
T
WTR-670
Menu
SCAN
Set
Up
WBS-670
1234
Down
Copy
BELTPACKCONNECT
2-Wire
Volume
In
In
4-Wire
Out
INTERCOM
Gain
Out
On/Off
Select
TALK
AUXILIARY
Figure 12
Keeping Site Clear to Antenna
4-3
2. Placing the WBS's on top of
a shelf or equipment rack
unobstructed without
remoting the antennas is
OK.
1. Placing WBS's in a shelf or
equipment rack and using re
mote antennas is OK.
3. Placing WBS's in a shelf or
equipment rack with the an
-
tennas mounted on the back
of the WBS or the side of
the rack is BAD.
Menu
Up
WBS-670
SCAN
Set
Down
Copy
2-Wire
Volume
In
In
4-Wire
1234
BELTPACKCONNECT
Gain
Out
Out
On/Off
Select
TALK
AUXILIARY
INTERCOM
Menu
Up
WBS-670
SCAN
Set
Down
Copy
Menu
Up
WBS-670
SCAN
Set
Down
Copy
Menu
Up
WBS-670
SCAN
Set
Down
Copy
2-Wire
Volume
In
In
4-Wire
1234
BELTPACKCONNECT
1234
BELTPACKCONNECT
1234
BELTPACKCONNECT
Gain
Out
Out
On/Off
Select
TALK
AUXILIARY
INTERCOM
2-Wire
Volume
In
In
4-Wire
Gain
Out
Out
On/Off
Select
TALK
AUXILIARY
INTERCOM
2-Wire
Volume
In
In
4-Wire
Gain
Out
Out
On/Off
Select
TALK
AUXILIARY
INTERCOM
#1
Improving Reception and Increasing
Range
#2
Figure 14
Antenna Placement
Menu
Up
WBS-670
SCAN
Set
Down
Copy
Menu
Up
WBS-670
SCAN
Set
Down
Copy
Menu
Up
WBS-670
SCAN
Set
Down
Copy
1234
BELTPACKCONNECT
1234
BELTPACKCONNECT
1234
BELTPACKCONNECT
2-Wire
Volume
In
In
4-Wire
Gain
Out
Out
On/Off
Select
TALK
AUXILIARY
INTERCOM
2-Wire
Volume
In
In
4-Wire
Gain
Out
Out
On/Off
Select
TALK
AUXILIARY
INTERCOM
2-Wire
Volume
In
In
4-Wire
Gain
Out
Out
On/Off
Select
TALK
AUXILIARY
INTERCOM
#3
Keeping the distance from the base station and beltpack as
short, and unobstructed as possible will produce the most reli
able performance.
The base station is supplied with two antennas. This should
provide satisfactory system performance in most applications.
System range can be enhanced by remoting the 1/2-wave an
tennas.
4-4
-
Base Station Set-up
INTERCOM
INTERFACE
POWER CONNECTION
RECEIVE
HIGH
ON
NORM
OFF
TRANSMIT
POWER
I/C
RTS
TELEX CLEAR-COM
WBS-670
FCC ID: B5DM516
CANADA 1321231218A
Intercom Systems
.
MADE IN U.S.A.
R
INTERCOM
2-WIRE
TRANSMIT
SWITCHES
INTERCOM
SWITCH
Figure 15
Base Station - Rear Panel
Location
Locate the base station with the front and rear of the unit accessible so that switches may be set and connections made.
Place the transmit and receive antennas on the base station.
Make sure the antenna’s color band match the color dot near
each antenna. See “Antenna Information” section for more information on choosing a proper operating location.
Power Connection
Plug the supplied power cord into the unit. The base station has
an IEC power receptacle that accepts 100 – 240 VAC, 50 – 60
Hz. The specific receptacle type is an IEC 60320/C14. The cord
it accepts is an IEC 60320/C13. These cords are common and
available through many retail hardware/electronic stores if the
cord is lost.
AUXILIARY AUDIO
L
O
O
P
T
H
R
U
4-WIRE
PUSHPUSH
INPUT OUTPUT
100-240 VAC50-60 Hz
POWER
Transmit Switches
There are two switches located on the lower left side of the rear
panel. The upper switch sets the transmit power level to high or
normal. The lower switch turns the transmitter on or off.
Transmit Power
Set the power level to normal if using the beltpacks at
close to medium distances (<200 feet, 161m,
line-of-sight) from the base station. Set the power level to
high if using the beltpacks at a distance (>200 feet, 161m,
line-of-sight) from the base station.
On/Off
Set the transmitter switch to on for normal use. In the off
position the base station transmitter is disabled. Setting
the switch to off will disables all the beltpacks from hear
ing anyone else or even their own sidetone.
TRANSMIT
-
4-5
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