HME# 400468
Rev -
3/14/03
System 500
Wireless Drive-Thru Audio System
Operating Instructions
Table of Contents
I. GENERAL .........................................................................................................................1
II. EQUIPMENT FUNCTIONS AND USE .........................................................................1
A. Base Station ...............................................................................................................................2
B. Headset .....................................................................................................................................4
C. Battery Charger ..........................................................................................................................7
III. SYSTEM 500 OPERATION ............................................................................................8
A. Single-Lane Operation ..............................................................................................................8
B. Dual-Lane Operation..................................................................................................................8
C. Message Repeater Operation......................................................................................................9
D. Speed-Team Operation ............................................................................................................10
IV. EQUIPMENT CARE AND CLEANING ......................................................................10
A. Proper Handling .......................................................................................................................10
B. Cleaning ...................................................................................................................................10
V. OPTIONAL EQUIPMENT ............................................................................................11
VI. FCC NOTICE ..................................................................................................................11
VII. IN CASE OF PROBLEMS.............................................................................................12
VIII. SPECIFICATIONS .........................................................................................................16
List of Figures
Figure Title Page
1 System 500 equipment............................................................................................................1
2 Base station exterior................................................................................................................2
3 Headset features and controls..................................................................................................4
4 Correct wearing of headset......................................................................................................5
5 Battery removal.......................................................................................................................6
6 Battery replacement ................................................................................................................6
7 Battery charger........................................................................................................................ 7
8 Base station circuit boards ....................................................................................................14
The HME logo and the word COMMUNICATOR® are registered trademarks of HM
Electronics, Inc.
I. GENERAL
The System 500 is a wireless audio system primarily for use at
quick-service restaurants.
II. EQUIPMENT FUNCTIONS AND USE
Figure 1. System 500 equipment
1
A. Base Station
The base station is the electronic heart of the System 500. It
contains the circuitry through which all functions of the drivethru audio system are channeled.
External base station features are shown in Figure 2, and
described on page 3. Its internal features are shown in Figure
8, and the base station circuit board switches and adjustments
are listed on page 15.
Figure 2. Base station exterior
2
Base Station External Features
Front –
• POWER light is on when the base station has power.
• MESSAGE RECORD light is on RED when the base station is
ready to record
message #1 for the message repeater, and blinking RED while
message #1 is being recorded. It is on GREEN when the base
station is ready to record message #2 for the message
repeater, and blinking GREEN while message #2 is being
recorded. The MESSAGE REPEATER button must be pushed IN.
• RECEIVE light is on during channel-A and channel-B
transmissions, and is used for troubleshooting.
• “ A ” light is on during channel-A transmission.
• “ B ” light is on during channel-B transmission.
• VEHICLE light is on when a vehicle is present in the drive-
thru lane or when the system is in vehicle-detect override.
Bottom –
• PUSH FOR RECORD MODE button must be pushed IN and released
once to prepare the base station to record message #1 for
the message repeater, or pushed IN and released twice to
record message #2.
• MESSAGE REPEATER button must be pushed IN to use the
message repeater, OUT when the message repeater is not
being used.
• SPEED TEAM button must be pushed IN for speed-team
operation, OUT for normal drive-thru operation
• VEHICLE DETECTOR button must be pushed and left IN to
override a vehicle detector; to reset vehicle detector,
push IN and leave IN for 5 seconds, then push again and
leave OUT for normal vehicle detection.
Left Side –
• WIRED/WIRELESS button must be OUT when using the wireless
System 500, IN when using a wired backup system.
3
B. Headset
The headset can be operated in a push-to-talk (PTT), hands-free
(HF) or auto hands-free (AHF) mode.
In the PTT mode, you must press and hold one of the A buttons on
the headset while talking to a customer, and release the button
to hear the customer’s response. The push-to-talk mode is an
example of “half-duplex ” operation.
In the HF and AHF modes, you can transmit and receive
communication at the same time, as in a normal telephone
conversation. In the HF mode, transmission and reception are
activated by touching and releasing one of the A buttons on the
headset. In the AH F m o de , tr a nsmission and reception are
activated automatically when a customer drives into the drive-thru
lane. The hands-free and auto hands-free modes are both examples
of “full-duplex ” operation.
1. Features and Controls
Figure 3. Headset features and controls
4
2. How to Wear the Headset
• Wear the microphone on your right or left side,
near the side of your mouth.
• To adjust the microphone position, hold the microphone
boom at its base and pivot the boom up or down.
3. Routine Headset Operation
The headset control buttons are touch-sensitive. Use
your fingertips, not your fingernails, to touch the buttons.
a. Power On/Off
Power Light
• The headset power light blinks while the headset
is transmitting your voice.
• The headset power light is ON steady when the headset is
not transmitting.
• The headset power light is red for lane 1.
• The headset power light is green for lane 2.
Power On
• Press and release the power ON/OFF button to turn the
headset on.
• A voice message in the headset says “Power on, lane one
(or two).”
• The headset power light blinks green, then goes on steady
red (lane 1)
or green (lane 2).
Power Off
• Press and hold the power ON/OFF button 3 seconds.
• A voice message in the headset earpiece says “Power
off. ”
• The headset power light goes off.
Figure 4.
Correct wearing
of headset
b. Volume Up/Down
Single-Step Volume Adjustment
• Lightly touch and release the Volume-up or Volume-down
button.
• A beep sounds in the headset earpiece each time the
button is pressed.
• The volume increases or decreases, one step at a time.
Continuous Volume Adjustment
• Lightly press and hold the Volume-up or Volume-down
button.
• The volume increases or decreases continuously while the
button is held.
• A series of beeps sounds in the headset earpiece until the
volume reaches
maximum or minimum.
4. Auto-Hands-Free Setting
The auto-hands-free (AHF) feature allows one operator to
communicate with a customer in one drive-thru lane without
pressing any buttons. Other operators can listen. If the
first operator turns the AHF feature off, another operator can
turn it on.
CAUTION: Only one HS500 per lane can be set in the autohands-free mode, or interference will occur when a customer
enters the drive-thru lane.
5
• With the power already on, press and hold the Power button
and touch the Volume-down button — You will hear “ Auto-
hands-free on ” or “ Auto-hands-free off”
NOTE: You must touch the Volume-down button within 2 seconds
after pressing the Power button, or you will turn the power
off and have to begin again.
• The last auto-hands-free on/off message you hear will
remain in effect until you change it again or turn the
headset power off.
6
5. Configuration Settings
• With the power already on, press and hold the Power button
and press the
B button. NOTE: You must press the B button within 2
seconds after pressing the power button, or you will turn
the power off and have to begin again.
• You will hear “Configuration” in the headset.
• Select the desired configuration setting described in “a ”
or “b ” below.
• When finished, press and release the B button to exit the
configuration-settings mode. You will hear “Power on,
lane (one or two) ” in the headset.
• Configuration settings will remain in effect until you
change them again.
a. Hands-free On/Off
• Touch and release the Volume-down button — you will hear
“ Hands-free on. ”
• Touch and release the Volume-down button again — you
will hear “ Hands-free off. ”
• You will continue to hear “Hands-free on ” or “H ands-
free off ” messages alternating each time you touch and
release the Volume-down button.
The last hands-free on/off message heard will be
selected when you exit the configuration-settings mode.
b. Single/Dual Lane
• Touch and release the A1 button — you will hear
“ Single lane. ”
• Touch and release the A1 button again — you will hear
“ Dual lane. ”
• You will continue to hear “Single lane” or “Dual lane ”
messages alternating each time you touch and release the
A1 button. The last single/dual lane message heard will
be selected when you exit the configuration-settings mode.
6. Battery Removal and Replacement
If you hear “Headset Battery Low ” in the headset, its
battery needs to be replaced and recharged. HS500 batteries
need be recharged after 8 to 9 hours of normal use .
a. Battery Removal
• Push the battery-release latch upward.
• Pull the battery out from the top.
Batte
ry
relea
se
b. Battery Replacement
• Place the end of a battery into
the battery
compartment, with its metal
contacts
downward.
Figure 5.
Battery removal
Figure 6.
Battery replacement
• Press the top of a battery into
the battery
7
compartment until it snaps in place
under the battery-release latch.
8
C. Battery Charger
Up to four headset batteries can be charged in the charger at the
same time. Battery charging time is approximately 2 hours. The
battery status lights adjacent to each charging port are
explained below. Up to six fully charged batteries can be stored
in the battery storage ports.
• Insert a battery in one of four charging ports until it clicks
in place.
• The yellow light next to each battery port stays on while the
port is empty.
When a battery is in a port, a yellow light flashing next to
it indicates CHARGE PENDING, which means the temperature where
the charger is located is out of the battery’s operating range
o
(32
-104oF, 0o-40oC). Adjust the room temperature or move the
charger to a cooler area.
When battery is in port, yellow light on steady next to
battery port means CHARGE FAILED. Follow diagnostic
instructions on side of battery charger.
• The red CHARGING light next to each battery port stays on
while a battery in the port is charging.
• The green READY light next to each battery port goes on when a
battery in the port is fully charged.
• Remove the fully charged battery from its charging port and
place it in a storage port.
CAUTION: Do not remove batteries from the charger until the
green READY light is lit, or the charger will reset and the
charge cycle will begin again.
Battery in
charging
port
Battery in
storage
port
9
III. SYSTEM 500 OPERATION
When a customer arrives in the drive-thru lane, you will hear a
double beep in the headset. In dual-lane operation, if you are
communicating with a customer when another customer arrives in the
opposite lane, a higher pitch double beep will sound in the headset
to alert you of the second customer’s presence. When the first
customer leaves the speaker post, the same higher pitch double beep
will repeat in your headset every 4 seconds until you touch the A
button required to communicate with the second customer.
A. Single-Lane Operation (one base station for one speaker post)
Push-To-Talk (PTT) Mode:
! Alert tone (double beep) sounds, then customer can be heard at speaker
post or menu board.
! Adjust customer’s voice level in headset if necessary.
! Press and hold A1 or A2 button to speak to customer. — Release to
listen.
Hands-Free (HF) Mode:
! Alert tone (double beep) sounds, then customer can be heard at speaker
post or menu board.
! Adjust customer’s voice level in headset if necessary.
! Touch and release A1 or A2 button to speak and listen to customer.
!
customer.
! Touch and release A1 or A2 button to speak to the customer again.
! If customer drives away from speaker post or menu bo ard, hea dset
automatically stops transmitting.
Auto Hands-Free (AHF) Mode:
! Alert tone (double beep) sounds, then customer can be heard at speaker
post or menu board.
! Adjust customer’s voice level in headset if necessary.
! Speak and listen to customer without pressing any buttons.
! Touch and release A1, A2 or B button to end communication with
customer.
! Touch and release A1 or A2 button to speak to the customer again.
! If customer drives away from speaker post or menu bo ard, hea dset
automatically stops transmitting.
Touch and release A1, A2 or B button to end communication with
B. Dual-Lane Operation (two base stations for two speaker posts)
Push-To-Talk (PTT) Mode:
! Alert tone (double beep) sounds, then customer can be heard at speaker
post or menu board.
! Adjust customer’s voice level in headset if necessary.
! Press and hold A1 button to speak to customer in Lane 1 or A2 button
to speak to customer in
Lane 2. — Release to listen.
Hands-Free (HF) Mode:
10
! Alert tone (double beep) sounds, then customer can be heard at speaker
post or menu board.
! Adjust customer’s voice level in headset if necessary.
! Touch and release A1 button for Lane 1 or A2 for Lane 2, to speak and
listen to customer.
!
Touch and release A1, A2 (depending on lane) or B button to end
communication
with customer.
! Touch and release A1 button for Lane 1 or A2 for Lane 2, to speak to
the customer again.
! To change lanes, touch and release the opposite A button.
! If customer drives away from speaker post or menu bo ard, hea dset
automatically stops transmitting.
Auto Hands-Free (AHF) Mode:
! Alert tone (double beep) sounds, then customer can be heard at speaker
post or menu board.
! Adjust customer’s voice level in headset if necessary.
! Speak and listen to customer without pressing any buttons.
! Touch and release A1, A2 (depending on lane) or B button to end
communication
with customer.
! Touch and release A1 button for Lane 1 or A2 for Lane 2, to speak to
the customer again.
! To change lanes, touch and release the opposite A button.
! If customer drives away from speaker post or menu bo ard, hea dset
automatically stops transmitting.
C. Message Repeater Operation
To record messages for the message repeater, press the MESSAGE
REPEATER button in, on the bottom of the base station, and do the
following:
To record
Message
#1
To record
Message
#2
Press and release the RECORD
MODE button on the base
station once.
Press and hold button B on
the headset and talk into the
headset microphone to record
a message.
Release button B.
Press and release the RECORD
MODE button on the base
station twice.
Press and hold button B on
the headset and talk into the
headset microphone to record
a message.
Release button B.
ACTION RESULT
The red MESSAGE RECORD
light on the base station
will come on.
The MESSAGE RECORD light on
the base station will begin
blinking.
The record function will
stop and the MESSAGE RECORD
light will go off.
The green MESSAGE RECORD
light on the base station
will come on.
The MESSAGE RECORD light on
the base station will begin
blinking.
The record function will
stop and the MESSAGE RECORD
light will go off.
NOTES:
Locate the S7 and S8 DIP switches at the bottom-center of the
audio circuit board inside the base station for the following
settings.
Message #1
• S8 switch #7 in the ON position enables Message #1 to be
played.
• will be triggered by a vehicle present signal if S7 switch 5
is in the OFF position. The playing message can be cancelled
by pressing button A on the headset.
11
• will be triggered by an alert signal if S7 switch 5 is in the
ON position.
• will be played to the locations selected if S7 switches 2, 3
and/or 4 are in the ON position.
Switch 2 enables Message #1 to be played back in all
HS500 headsets.
Switch 3 enables Message #1 to be played back on the
outside speaker.
Switch 4 enables Message #1 to be played back on the
ceiling speakers.
Message #2
• S8 switch #8 in the ON position enables Message #2 to be
played.
• will be triggered by a vehicle present signal if S8 switch 5
is in the OFF position. The playing message can be
cancelled by pressing button A on the headset.
• will be triggered by an alert signal if S8 switch 5 is in the
ON position.
• will be played to the locations selected if S8 switches 2, 3
and/or 4 are in the ON position.
Switch 2 enables Message #2 to be played back in all
HS500 headsets.
Switch 3 enables Message #2 to be played back on the
outside speaker.
Switch 4 enables Message #2 to be played back on the
ceiling speakers.
If S7 switch 5 and S8 switch 5 are both set to ON or OFF, Message
#1 and Message #2 will be played alternately.
After a new message has been recorded or after the base station
has lost and regained power, any message to the outside speaker
will always be heard in the headset the first three times it
plays.
12
D. Speed-Team Operation
Speed team operation is used during high-volume times. An order
taker wearing an HS500 headset relays orders from outside into
the store, using button B on the headset. Placing the speed-team
switch, on the bottom of the base station, in the ON position
will disable the outside speaker/microphone and the vehicle-alert
tone.
IV. EQUIPMENT CARE AND CLEANING
A. Proper Handling
• When adjusting microphone position, hold boom at base, not at
microphone end.
• Carry headset by headband, not by earpiece or battery end, and
never by microphone boom.
• Use both hands to put headset on or take it off.
B. Cleaning
1. Headsets
• Remove batteries from headsets.
• Clean batteries and headsets with damp sponge sprayed with
household cleaner. Squeeze excess liquid out of sponge
before using it.
• Clean metal contacts on batteries and headsets as follows.
Wet tip of swab with alcohol and squeeze excess alcohol
from it. Wipe each contact with swab and be certain all
contacts are dry before reinstalling batteries in headsets.
• Foam muffs on headset earpieces can easily be replaced for
sanitary purposes. To order extra foam muffs, call your
local HME sales representative.
2. Battery Charger
Avoid splashing water or grease on the battery charger. Clean
the battery charger monthly as follows.
CAUTION: Always unplug the battery charger before cleaning
it.
• Remove all batteries from the battery charger.
• Clean the battery charger case with a damp sponge. Wet the
sponge and wring it out so it is damp, not dripping wet.
Spray household cleaner on the sponge (NOT DIRECTLY ON THE
EQUIPMENT). Clean the battery charger with the sponge and
dry it thoroughly.
• Wet the tip of a cotton swab with rubbing alcohol and
squeeze the excess alcohol from the swab. Wipe the metal
contacts inside each battery port with the damp swab.
Allow the contacts to dry before placing batteries in the
ports.
13
V. OPTIONAL EQUIPMENT
Equipment Model Number
Headset COMMUNICATOR® HS500
Battery for HS500 BAT40
Headset Earmuff No model number
Ceiling Speaker MM100
Ultrasonic Vehicle Detector DU3
Vehicle Detector Board VDB101A
Vehicle Detector Loop (underground) VDL100
Message Repeater MR300
Remote Display R30
Low-Profile Speaker SP2500LP
Microphone DM3
Mode Switch (dual lane) MS1000
Switcher Circuit Board No model number
VI. FCC NOTICE
HME wireless radio frequency systems are type-accepted in the United
States under Part 90 of the Federal Communications Commission (FCC)
Code of Federal Regulations, and type-approved in Canada by Industry
and Science Canada. Because licensing depends on the system’s
application, it is the user’s responsibility to apply for a license
from the FCC in the U.S. and its possessions, or from Industry and
Science Canada in Canada and its territories. Licensing
requirements vary from country to country. Contact your local
licensing agency for specific requirements.
This device complies with Part 15 of the FCC rules. Operation is
subject to the following two conditions: (1) This device may not
cause harmful interference, and (2) This device must accept any
interference received, including interference that may cause
undesired operation.
NOTE: This equipment has been tested and found to comply with the
limits for a Class A digital device, pursuant to Part 15 of the FCC
rules. These limits are designed to provide reasonable protection
against harmful interference when the equipment is operated in a
commercial environment. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in
accordance with the instruction manual, may cause harmful
interference to radio communication. Operation of this equipment in
a residential area is likely to cause harmful interference, in which
case the user will be required to correct the interference at his
own expense.
Changes or modifications not expressly approved by HM Electronics,
Inc. could void the users authority to operate this equipment.
14
VII. IN CASE OF PROBLEMS
PROBLEM PROBABLE CAUSE SOLUTION
No sound is
heard in
headset when
you press
button A and
speak into
microphone.
Headset channel
A or B is not
working.
Outbound sound
is too low.
No outbound
sound; Customer
cannot hear
anything.
Customer cannot
be heard in
push-to-talk
(PTT)
operation.
Only static can
be heard in
headsets.
Power may be off at base
station.
Power supply in base
station may not be
working.
Headset power may not be
on.
Volume may not be set
correctly.
Battery may be low or
defective.
Headset may be defective. Use another headset. Call
Headset power may not be
on.
Battery may be low or
defective.
Channel A or B light on
base station does not
light when headset button
A or B is pressed.
Frequency settings may be
wrong.
Outbound volume may be set
too low for environment.
System may be set for
speed-team operation.
There may be loose wires
on outside speaker or base
station circuit board.
Speaker or base station
may be defective.
System may be set for
speed-team operation.
Base station may be set
for wrong drive-thru mode
(full or half-duplex).
Base station may not be
powered.
Check circuit breaker for
building.
Check power supply
indicator lights on base
station. If no light is
lit,
be certain AC power adapter
is plugged into AC
electrical outlet and is
connected to J16 on base
station audio circuit
board.
Press Power ON/OFF button
on headset. Be certain
power light goes on.
Adjust headset volume with
Volume-up and down buttons.
Check Power light. If not
lit, replace battery.
HME. *
Press Power ON/OFF button
on headset. Be certain
power light goes on.
Check Power light. If not
lit, replace battery.
Use another headset. Call
HME. *
Call HME. *
Turn outside speaker volume
control, R59 on base
station audio circuit
board, clockwise until
volume is satisfactory.
Be certain SPEED TEAM
button on base station is
in out (OFF) position.
Check outside speaker wire
connections in base station
and at outside speaker.
Call HME. *
Be certain SPEED TEAM
button on base station is
in out (OFF) position.
Check S6 DIP switch #1 at
bottom of base station
audio circuit board. It
should be ON for fullduplex, OFF for half-duplex
operation.
Check power supply
indicator lights on base
station. If no light is
lit,
be certain AC power adapter
is plugged into AC
electrical outlet and is
connected to J16 on base
station audio circuit
board.
15
Circuit board may be
defective.
Check to see if status
lights on base station are
lit. Call HME. *
16
PROBLEM PROBABLE CAUSE SOLUTION
Personnel hear
customers in
ceiling speaker
or headsets,
but cannot hear
each other.
No tone or
sound is heard
in ceiling
speaker or
headsets when
vehicle enters
drive-thru
lane.
Personnel
cannot hear
customers in
ceiling speaker
or headsets.
intermittent
sound.
There is still
sound in
headset after
all customers
have been
served.
Battery charger
is not working.
Message cannot
be recorded.
Message will
not play.
Circuit board may be
defective.
Headset may be defective. Use another headset. Call
Power interruption may
have caused vehicle
detection circuit to be
out of balance.
System may be set for
speed-team operation.
Connector may be loose. Check all connectors in
There may be loose wires
on base station circuit
board.
System may be set for
speed-team operation.
Outside speaker or audio
circuit board may have
failed.
Battery may be low. Replace battery. Headset has
Headset may be defective. Use another headset. Call
OVERRIDE/RESET switch on
base station may be in the
OVERRIDE (in) position.
Vehicle detector may be
locked up.
Charger may not be plugged
in.
Message repeater may not
be turned on.
Check to see if status
lights on base station are
lit. Call HME. *
HME. *
When no vehicle is in the
drive-thru lane, press the
vehicle detector override
switch on the base station
to the RESET position, then
back to the NORMAL
position.
Be certain SPEED TEAM
button on base station is
in out (OFF) position.
base station. Call HME. *
Check all connections on
base station circuit
boards.
Be certain SPEED TEAM
button on base station is
in out (OFF) position.
Call HME. *
HME. *
Be certain switch is in the
NORMAL (out) position.
Press OVERRIDE/RESET switch
twice.
Be certain charger is
plugged in.
If it still is not working,
call HME. *
Be certain message repeater
button on bottom of base
station is in the ON (in)
position.
* For assistance, call HME at 1-800-848-4468, or Fax 858-552-0172.
900MHz wireless telephone interference —
If there is a 900MHz wireless telephone nearby, interference may
occur. Changing frequencies on the telephone and/or base station
and headset may alleviate the problem. Call HME Customer Support
at 1-800-848-4468 if assistance is required.
In the event of an electrical power outage —
such as from a lightning storm or power generator failure, if you
experience problems with your HME equipment after the electricity
comes on again, unplug the AC power adapters from their
electrical outlets, then plug them back in.
17
Figure 8. Base station circuit boards
18
Base Station Circuit Board Adjustments
1. Wired backup system switch – S2
2. DM2 select switch – S1
3. Record message switch – S1
4. Message repeater ON/OFF switch – S2
5. Speed team switch – S3
6. Vehicle detector override switch – S4
7. Channel selector – S3
8. System status switch – S2
9. System configuration switch – S1
10. Ceiling speaker “A” channel volume control – R112
11. Ceiling speaker vehicle present tone volume control –
R83
12. Ceiling speaker inbound volume control – R84
13. Outside speaker volume control – R59
14. Line out level adjustment – R260
15. VAA level adjustment – R146
16. Outside speaker message volume control – R113
17. Transmit message volume control – R149
18. Ceiling speaker message volume control – R114
19. Inbound audio level adjustment – R74
20. VAA attenuation level adjustment – R55
21. Ceiling speaker “B” dual volume control – R1
22. Line in level adjustment – R20
23. Deviation adjustment – R29
24. “ B ” dual audio level adjustment – R57
25. Ceiling speaker “B” volume control – R58
26. Vehicle present tone level adjustment – R110
27. System configuration switches – S5, S6, S7, S8, S9
19
VIII. SPECIFICATIONS
Base Station
Voltage input 16VAC ±2.5V
AC current input 2.5A maximum
Audio distortion 5% maximum level
Outside speaker output 3 watts RMS into 8 ohms
Ceiling speaker power 3 watts RMS into 8 ohms
Controls/Switches 2-position vehicle detector switch (Normal –
Override/Reset)
TX/RX frequency Receive - 926.904MHz – 927.024MHz
Transmit - 902.136MHz – 903.936MHz
Dimensions 8.2 ”H x 14.2 ”W x 3.5 ”D (208 mm x 361 mm x 89
mm)
Weight 5.5 lbs (2.49 kg) maximum
2-position “Speed Team ” ON/OFF switch
2-position “Message Repeater” ON/OFF switch
1-position “Record” s witch
4-position noise reduction DIP switch
4-position RS485 bias/term DIP switch
8-position DIP switches (3 ea)
Outside speaker volume control
Outside speaker Hi-Lo volume jumper
“ A ” sidetone
“ B ” sidetone
Inbound volume control
VAA level control
Ceiling speaker volume control
Transmit message volume control
Vehicle present tone volume control
HS500 Headset COMMUNICATOR®
Battery type 3.6V Lithium ion
Battery life 10 hours (typical)
RF frequency Receive - 902.136MHz – 903.936MHz
Transmit - 926.904MHz – 927.024MHz
Weight 4.7 oz (.133 kg) with battery
Controls Power ON/OFF button
Volume-up button
Volume-down button
“ A1 ” button
“ A2 ” button
Indicator Dual-color LED (red/green)
“ B ” button
AC40 Battery Charger
Voltage input 16.5VAC
Number of charging ports 4
Number of storage ports 6
Charging time 3 hrs maximum
Dimensions 7.6 ” x 4.6 ” x 2.6” (193mm x 117mm x 66mm)
Weight 1.5 lb (.68 kg)
Indicators 4 red, 4 green, 4 yellow LEDs
20
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