SPH 516D
SPU 416K
WIRELESS CORPORATION
7100 Technology Drive
West Melbourne, FL 32904
©2000 RELM Wireless Corporation. All Rights Reserved
CC OG 22
ULUD01066BZ
RELM WIRELESS CORP.
7100 Technology Drive
West Melbourne, FL 32904
CC OG 22
Operating Guide
Safety Information
Through the provisions of the Occupational Safety and
Health Act (OSHA) of 1970, the United States
Department of Labor has established an
electromagnetic safety standard which applies to the
use of two-way radio equipment. The proper use of this
transceiver will result in exposure below the OSHA
limit.
The following precautions shall be observed:
WARNING
Do not operate the transmitter of any radio equipment
with the antenna touching, or close to the eyes, face,
or exposed body parts.
Do not operate the transmitter of any radio equipment
unless all the Radio Frequency (RF) connectors are
secure and any open connectors are properly
terminated.
Do not operate the transmitter of any radio equipment
near electrical blasting caps or in an explosive
atmosphere.
Do not let children operate any transmitter-equipped
radio equipment.
Have your radio equipment installed and serviced by a
qualified technician.
Nickel-Cadmium Battery Warning
This equipment contains a Nickel-Cadmium battery.
Cadmium is a chemical known to the State of
California to cause cancer.
The Nickel-Cadmium battery contained in this
equipment may explode if disposed of in a fire.
Do not short circuit the battery.
Do not charge the Nickel-Cadmium battery used in this
equipment in any charger other than the one designed
to charge this battery. Using another charger may
damage the battery, or cause the battery to explode.
Nickel-Cadmium Battery Disposal
Nickel-Cadmium batteries must be disposed of
properly. Read the "Nickel-Cadmium Battery Disposal"
package insert for important information.
©2000 RELM Wireless Corporation
All Rights Reserved
RELM Wireless Corporation
Commercial Communications Division
Two Year Limited Warranty
WARRANTOR: RELM Wireless Corporation (“RELM” or “Warrantor”)
ELEMENTS OF WARRANTY: RELM Warrants, to the original purchaser, for a
period of two (2) years, new commercial radio equipment of the Warrantor’s
manufacture (hereinafter referred to as the Product) to be tree from detects in
material and workmanship with only the limitations or exclusions set out below.
EXCEPTIONS TO WARRANTY: The duration of the warranty shall be one (1) year
for Uniden repeaters, battery chargers, rechargeable batteries and all other
Uniden-made accessories. Rechargeable batteries will be replaced during She
applicable warranty period if:
(a) the battery capacity falls below 80% of rated capacity
(b) the battery develops leakage
This warranty shall not cover rechargeable batteries if:
(a) any of the seals on the battery enclosure or cells are broken or show
evidence of tampering.
(b) the damage or defect is caused by charging or using the battery in
equipment or service other than the Uniden product for which it is
specified.
Equipment and accessory items not manufactured by Uniden carry the standard
warranty, many, of the manufacturer thereof.
WARRANTY DURATION: The Warranty shall commence upon the installation of
the equipment or two (2) months from the date of shipment from the factory,
whichever occurs first. This Warranty shall terminate and be of no further effect two
(2) years from the commencement of the warranty period except as noted above
or at the time the Product is (a) damaged or not maintained as reasonable and
necessary; (b) modified; (c) improperly installed; (d) missing the original serial
number or it is made illegible; (e) is repaired by someone other than Warrantor or
Authorized Warranty Repair station for a defect or malfunction covered by this
Warranty; (f) disassembled or repaired in such a manner as to adversely affect
performance or prevent adequate inspection and testing to verity any warranty
claim; or (g) used in a manner or purpose for which the Product was not intended
or in an environmental condition for which the Product was not intended
STATEMENT OF REMEDY: In the event that the Product does not conform to this
warranty at any time while this warranty is in effect, Warrantor will repair or
recondition the detect and return it to you without charge for parts, service or any
other cost incurred by the Warrantor or its representatives in connection with the
performance of this warranty. THE WARRANTY SET FOR THE ABOVE IS THE
SOLE AND EXCLUSIVE WARRANTY PERTAINING TO THE PRODUCT AND IS
IN LIEU OF AND EXCLUDES ALL OTHER WARRANTIES OF ANY NATURE
WHATSOEVER, WHETHER EXPRESS, IMPLIED OR ARISING BY OPERATION
OF LAW, INCLUDING, BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. THIS
WARRANTY DOES NOT COVER OR PROVIDE FOR THE REIMBURSEMENT
OR PAYMENT OF INCIDENTAL OR CONSEQUENTIAL DAMAGES. Some States
do not allow this exclusion or limitation on incidental or consequential damages, so
the above limitation or exclusion may not apply to you.
WARRANTY REGISTRATION CARD: In order to facilitate service under this
warranty, the customer should return the Warranty Registration Card to the
Warrantor. However, return of the Warranty Registration Card is not a precondition
of this Warranty, and this Warranty will be observed by the Warrantor whether or
not the Warranty Registration Card is returned, provided that other satisfactory
evidence of the date of the original installation or purchase is provided to
Warrantor.
LEGAL REMEDIES: This Warranty gives you specific legal rights, and you may
also have other rights which vary from state to state. This warranty is void outside
the United States of America.
WARRANTY REPAIR: To obtain warranty repair, pack the Product carefully and
include a note describing the specific defect that has caused you to return it. For
your protection, it is advisable to insure the parcel against loss or damage. The
Product (with evidence of original installation or purchase) should be shipped or
delivered (by UPS or insured parcel post), freight prepaid, to Warrantor at:
RELM WIRELESS CORPORATION
REPAIR DEPARTMENT
7100 Technology Drive
West Melbourne, FL 32904
(800) 422-6281
or any Authorized Warranty Repair Station. The Product will be returned freight prepaid.
Using Memory Dial
1. Press the * key, then either the A or B key.
2. Press the PTT button and transmit.
Battery Save
In Battery Save or "sleep" mode, the radio receives
only when it detects an RF carrier. This helps reduce
battery power consumption.
Function Tone
Every time you press any key other than the PTT or
monitor, you will hear an alert tone.
Options
• DTMF Keypad Rechargeable Battery packs:
– Standard Pack (APX 700)
– Heavy Duty Pack (APX 1070)
• Battery Chargers:
– Desktop Rapid Charger (APX101)
– Trickle Charger (APX121)
Contents
Introduction ............................................................... 2
Congratulations ................................................ 2
Description ....................................................... 2
Service ............................................................. 2
Features ........................................................... 2
Unpacking .................................................................. 3
Controls and Indicators ............................................ 4
Top Indicators and Display ............................... 4
Front Controls .................................................. 5
Side Controls and Connectors ......................... 6
Getting Started .......................................................... 7
Antenna ............................................................ 7
Battery Information ........................................... 7
Operation ................................................................... 8
Receive .................................................................. 8
Channel Scan .................................................. 8
Scan Pause ...................................................... 8
Create a Channel Scan List
with Channel Feature Lock Out ....................... 8
Drop Out Delay ................................................ 9
Transmit ................................................................. 9
Transmit Time Out Timer .................................. 9
Busy Channel Lockout ..................................... 9
Talk Around Channel ........................................ 9
Special Features ............................................. 11
DTMF Encode Mode .......................................11
Manual Dial ..................................................... 11
Auto Dial ......................................................... 11
Memory Dial ....................................................11
Battery Save .................................................. 12
Function Tone................................................. 12
Options..................................................................... 12
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SPH 516D SPU 416KSPH 516D SPU 416K
- 1 -
Introduction
Special Features
Congratulations
You now own the best value in portable radios, a
Uniden professional communications radio that gives
you consistently outstanding performance in virtually all
conditions and situations.
Description
The SPU 416K and SPH 516D are 16-channel,
programmable, microprocessor-control led, frequencysynthesized portable transceivers. They are
lightweight, rugged and easily fit your hand.
The SPU 416K operates in the 450 to 470 MHz range
and has a maximum RF power output rating of 4 watts.
The SPH 516D operates in the 150 to 174 MHz range
and has a maximum RF power output rating of 5 watts.
Service
If your radio does not work properly, take it to a Uniden
dealer for servicing. These radios contain no user
serviceable parts. Unauthorized adjustments will void
the warranty and may cause illegal radio operation.
Make sure that a qualified technician services your
radio equipment. When servicing these radios, use
only factory authorized replacement parts.
Features
• Channel/Function LCD
• Channel Monitor Switch
• Battery Low Indicator
• DTMF Keypad (Optional)
• User-Programmable Channel Scan List
• TX/Busy LED
DTMF Encode Mode
You can access systems connected via the telephone
network by transmitting DTMF codes. DTMF codes are
transmitted by three methods: manual dial, auto dial, or
memory dial.
Manual Dial
Transmit the desired access code or telephone number
by dialing with the keypad.
To do this, hold down the PTT button and press the
appropriate characters on the DTMF keys.
Auto Dial Automatically transmit the desired DTMF
access code that was stored just before transmitting. 1.
Press the DTMF keys to enter the desired DTMF code
and press the * key. 2. Press the PTT button and
transmit.
Memory Dial
User-programmable auto dial memory is available for
two sets of numbers. These DTMF code numbers can
be stored in memory using the A or B keys on the
keypad (up to 16 digits). Memorized DTMF codes are
transmitted automatically.
DTMF Access Code Storage:
1. Hold down the monitor key and press the tone (T)
key on the DTMF keypad.
The LCD should read d1.
2. Press the DTMF keys for the desired DTMF code
digits.
UNIPRO Selectable (Dealer Programmable):
• Channel Scan
• Scan Pause
• Scan Dropout Delay
• Transmitter Time Out Timer
• Talk Around Channel
• Battery Save
• Busy Channel Lockout
• Function Beep
• CTCSS/DCS Receive/Transmit Codes
- 2 -
Note: If you make a mistake when entering the
DTMF access code,
a. hold down the monitor key,
b. press the * key,
c. enter the DTMF code again.
3. Hold down the monitor key and press the A or B
key that will store the DTMF code. If you want
to store another DTMF code, repeat steps
1 through 3.
SPH 516D SPU 416KSPH 516D SPU 416K
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For short distance communication, the Talk Around
Channel (TAC) provides direct transmission from your
unit to another, bypassing the repeater.
In the TAC, the transmit frequency of your portable is
the same as the receive frequency. This channel allows
direct communication from your portable unit to other
units or to your dispatcher.
Unpacking
The following should be included with your two-way
radio:
• Transceiver Unit
• Antenna
• Belt Clip
• Operating Guide
• One of these Nickel-Cadmium Rechargeable
Battery Pack types:
– Standard Pack (APX 700)
– Heavy Duty Pack (APX 1070)
Note: Either Battery Pack may be purchased
separately.
• One of the following Battery Pack chargers:
– Trickle Charger (APX121)
– Rapid Charger (APX101)
- 10-
Note: Either battery charger may be purchased
separately.
If any of these items are missing from the box, contact
your representative for help.
SPH 516D SPU 416KSPH 516D SPU 416K
- 3-
Controls and Indicators
Top Indicators and Display
Antenna Connector - Connect antenna to this TNC port
Lockout Switch - Locks out a selected channel from
channel scan.
Talk Around Channel (TAC) Switch - Toggles Talk
Around Channel function between on and off.
Channel Up/Down Switches - Use to select a channel.
On/Off Volume Control - Rotate clockwise to turn the
radio on and increase the volume. Rotate
counterclockwise to turn the radio off or decrease the
volume.
TX/Busy Indicator - The red LED lights when you
press the PTT switch (to transmit). It blinks when the
battery is low and needs recharging. The green LED
lights when the received signal (on the current
channel) is strong enough to break squelch.
LCD Display - The liquid crystal display (LCD) has
several indicators that show the current operating
mode. The two digits at the right
show the current selected
channel. The smaller, two-letter
displays show which features
are enabled.
TA Talk Around Channel enabled
CA call received
TN DTMF feature selected
LO low power TX selected
CT CTCSS feature enabled
- 4 -
Drop Out Delay
While scanning, the radio stops at a busy channel and
receives a transmission. When the received call is
over, it resumes scanning.
TRANSMIT
1. The nominal transmit power output level is 5 watts
for the SPH 516D and 4 watts for the SPU 416K.
To switch to low power, press the HI/LO switch.
LO appears on the LCD and the transmit power
output level is changed to 1 watt.
To switch back to high/default power, press the
HI/LO switch again. The TX power returns to high,
and the LO indicator disappears from the LCD.
2. Before you transmit, press the monitor switch and
listen for activity on the selected channel.
3. When the channel is clear, press the PTT switch to
transmit. The TX LED comes on when you
transmit. Hold the radio with the microphone
approximately two inches in front of your mouth
with the antenna at approximately a 45-degree
angle away from your head. Speak in a clear,
normal, conversational voice.
4. When you are through speaking, release the PTT
switch and listen for an answer.
Transmit Time Out Timer
Continuous transmission time is limited. When you
transmit longer than the preset time, you hear a beep
from the speaker, and the radio automatically returns to
receive mode. When you release the PTT button, the
Time Out Timer is reset.
Busy Channel Lockout
You cannot transmit while you are receiving a signal.
Talk Around Channel
Normally, transmissions between your transceiver and
other units are sent through radio relay facilities
(repeaters) that retransmit your messages from an
antenna system located atop a high building, a hill or a
mountain. This allows dependable communications
over much longer distances.
SPH 516D SPU 416KSPH 516D SPU 416K
- 9-
Operation
RECEIVE
1. Turn the radio on. Rotate the ON/OFF Volume
control clockwise until you hear a click. A channel
number should appear in the LCD display.
2. Press the UP or DOWN switch to select the
desired channel.
3. Press and hold the monitor switch.
4. Rotate the ON/OFF Volume control to adjust the
speaker volume to a comfortable level.
5. Release the monitor switch.
Note: While the monitor switch is on, your radio may
detect (on the selected channel) transmissions
from stations outside your own system, as well
as transmissions within your system.
Channel Scan
When you press both the UP and DOWN keys for more
than 1.5 seconds, the scan feature starts.
The radio stops on any channel that receives a call and
you hear the caller. To move to the next channel, press
the UP key.
To disable the scanner, press the DOWN key.
Scan Pause
When the radio stops on a busy channel during
scanning, you can press the PTT switch to transmit.
This pauses the scan.
After you interrupt Scan by pressing the PTT, the radio
resumes scanning.
Create a Channel Scan List with
Channel Feature Lock Out
Deleting channels (from the channel scan list)
increases the scanning speed. Using the UP/DOWN
switches, manually select the desired channel and
press the Lock Out (L/O) button. The locked-out
channel blinks.
Front Controls
Built-in Speaker - Audio output.
Built-in Microphone - Speak into the microphone
when transmitting.
Speaker Jack - Connect optional external speaker here
Microphone Jack - Connect optional external
microphone here.
DTMF Keypad (Optional) - Use when entering DTMF
data, such as an access code or telephone number.
To remove the lock-out condition from a channel,
manually select the channel and press L/O button again.
- 8 -
SPH 516D SPU 416KSPH 516D SPU 416K
- 5-
Side Controls and Connectors
Battery Pack Release Button - To remove the Battery
Pack, push up on the release button and slide the
Battery Pack away from radio.
Getting Started
Antenna
To attach the antenna to the TNC connector on top of
your radio, press down and rotate the antenna base
clockwise until it seats firmly into place.
Battery Information
The SPU 416K and SPH 516D comes with either a
standard or heavy duty rechargeable Battery Pack.
Installation
Before installing or removing the rechargeable Battery
Pack, be sure that the power (ON/OFF Volume
control) is turned off.
To remove the Battery Pack, push up on the release
button and slide the Battery Pack away from the radio.
To replace, align the Battery Pack rails with the
transceiver and slide toward the transceiver unit until
the Battery Pack locks in place.
Monitor Switch - Press to listen to all transmissions
on the currently selected channel. Release the monitor
switch to hear only those transmissions directed to
you.
Push-to-Talk (PTT) Switch - Press and hold to talk.
Release to listen for a reply.
TX Power HI/LO Switch - Press to set the transmit
output power to high or low.
AC Adapter/Charger Jack - Connect AC Adapter/
Charger here.
- 6 -
Recharging the Nickel-Cadmium Battery Pack
Note: Before charging, be sure that the power
Before you first use the Nickel-Cadmium Battery Pack
(either standard or heavy duty), charge it fully. Insert
the discharged Battery Pack in the rapid charger, or
connect the trickle charger to the side of the unit.
In the trickle charger, the standard pack charges fully in
8 hours, and the heavy duty pack in 12 hours. In the
rapid charger, the standard pack charges fully in 1.5
hours, and the heavy duty pack charges fully in 2
hours.
SPH 516D SPU 416KSPH 516D SPU 416K
(ON/OFF Volume
control) is turned off.
- 7-
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