Vista CA, 92081
Phone: 760-597-1500
Fax: 760-597-1510
www.dtwc.com
IMPORTANT
Please read all instructions included in this owner’s manual before using the transceiver
This manual contains important information for the Guardian GII portable series radios
and should be saved for future reference.
ABOUT APCO 25
This device is made under license under one or more of the following US Patents:
4590473, 4636791, 4833701, 4972460, 5146497, 5148482, 5164986, 5185795, 5185796,
5164986, 5185796, 5271017, 5377229,
The AMBE+2 voice coding Technology embodied in this product is protected by
intellectual property rights including patent rights, copyrights and trade secrets of Digital
Voice Systems, Inc. This voice coding Technology is licensed solely for use within this
Communications Equipment. The user of this Technology is explicitly prohibited from
attempting to extract, remove, decompile, reverse engineer, or disassemble the Object
Code, or in any other way convert the Object Code into a human-readable form. U.S.
Patent Nos.: 6,912,495 B2, 6,199,037 B1, 5,870,405, 5,826,222, #5,754,974, 5,701,390,
5,715,365, 5,649,050, 5,630,011, 5,581,656, 5,517,511, 5,491,772, 5,247,579, #5,226,084
and 5,195,166
PRECAUTIONS
BEFORE USING YOUR PORTABLE 2-WAY RADIO READ THIS IMPORTANT RF
ENERGY AWARENESS AND CONTROL INFORMATION AND OPERATIONAL
INSTRUCTIONS TO ENSURE COMPLIANCE WITH THE FCC’S RF EXPOSURE
LIMITS
NOTICE: This radio is intended for use in occupational/controlled conditions, where
users have full knowledge of their exposure and can exercise control over their exposure
to meet FCC limits. This radio devise is NOT authorized for general population,
consumer, or any other use.
This 2-way radio uses electromagnetic energy in the radio frequency (RF) spectrum to
provide communications between two or more users over a distance. It uses radio
frequency (RF) energy or radio waves to send and receive calls. RF energy is one form
of electromagnetic energy, which when used improperly can cause biological damage.
Very high levels of x-rays, for example, can damage tissue and genetic material.
Experts in science, engineering, medicine, health and industry work with organizations to
develop standards for exposure to RF energy. These standards provide recommended
levels of RF exposure or both workers and the general public. These recommended RF
exposure levels include substantial margins of protection. All 2-way radios marketed in
North America are designed, manufactured and tested to ensure they meet government
established RF exposure levels. In addition, manufacturers also recommend specific
operating instructions to users of 2-way radios. These instructions are important because
they inform users about RF energy exposure and provide simple instructions on how to
control it. Please refer to the following website for more information on what RF energy
exposure is and how to control your exposure to assure compliance with established RF
exposure limits.
The FCC rules require manufacturers to comply with FCC RF energy exposure limits for
portable 2-way radios before they can be marketed in the US. When 2-way radios are
used as a consequence of employment, the FCC requires users to be fully aware of and
able to control their exposure to meet occupational requirements. Exposure awareness
can be facilitated by the use of a product label directing users to specific user awareness
information. Your Datron 2-way radio has a RF exposure product label. Also your
Datron user manual includes information and operating instructions required to control
your RF exposure to satisfy compliance requirements.
COMPLIANCE WITH RF EXPOSURE STANDARDS
Your Datron 2-way radio is designed and tested to comply with a number of national and
international standards and guidelines (listed below) for human exposure to radio
frequency electromagnetic energy. This radio compiles with IEEE and ICNIRP exposure
limits for occupational/controlled RF exposure environment at operating duty factors of
up to 50 % transmitting and is authorized by the FCC for occupational use only. In terms
of measuring RF energy for compliance with the FCC exposure guidelines, your radio
radiates measurable RF energy only while it is transmitting (during talking), not when it
is receiving (listening) or in standby mode. The approved batteries supplied with this
radio are rated at 5-5-90 duty factor (5% talk- 5% Listen 90% standby), even though this
radio complies with the FCC occupational RF exposure limits and may operate at duty
factors of up to 50 % talk.
Your Datron 2-way radio complies with the following RF energy exposure standards and
guidelines:
• United States Federal Communications Commission, Code of Federal
Regulations;47 CFR §§1.1307, 1.1310, 2.1091 and 2.1093
• American National Standards Institute (ANSI)/Institute of Electrical and
Electronic Engineers (IEEE) C95. 1-1992
• Institute of Electrical and Electronic Engineers (IEEE) C95. 1-1999 Edition
RF EXPOSURE COMPLIANCE AND CONTROL GUIDELINES AND
OPERATING INSTRUCTIONS
To control your exposure and ensure compliance with occupational/controlled
environment exposure limits always adhere to the following procedures.
Guidelines:
• Do not remove the RF Exposure Label from the device.
• User awareness instructions should accompany device when transferred to other
users.
• Do not use this device if the operational requirements described herein are not
met.
Operating Instructions:
• Transmit no more than the rated duty factor of 50 % of the time. To transmit
(talk), push the Push-To-Talk (PTT) button. To receive calls, release the PTT
button. Transmitting 50 % of the time, or less, is important because this radio
generates measureable RF energy exposure only when transmitting (in terms of
measuring for standards compliance).
• Hold the radio in a vertical position in front of face with the microphone (and the
other parts of the radio, including the antenna) at least one inch (2.5 cm) away
from the nose. Keeping the radio at the proper distance is important because RF
exposure decreases with distance from the antenna. Antenna should be kept away
from the eyes.
• When worn on the body, always place the radio in a Datron approved clip, holder,
holster, or body harness for this product. Using approved body-worn accessories
is important because the use of Datron or other manufacturer’s non-approved
accessories may result in exposure levels, which exceed the FCC’s
occupational/controlled environmental RF exposure limits.
• If you are not using a body-worn accessory and are not using the radio in the
intended use position in front of the face, then ensure the antenna and the radio
are kept at least 1 inch (2.5 cm) from the body when transmitting. Keeping the
radio at the proper distance is important because RF exposure decreases with
increasing distance from the antenna.
• Use only Datron approved supplied or replacement antennas, batteries and
accessories. Use of non Datron approved antennas, batteries and accessories may
exceed the FCC exposure guidelines.
• For a list of Datron approved accessories refer to the accessory section in this
manual or visit
www.dtwc.com.
Contact Information
For additional information on exposure requirements or other information contact Datron
Customer Service at 760-597-1500.
LIMITED WARRANTY AND REMEDIES
1: INTRODUCTION
Guardian II Portable Radio
The Guardian II series portable radios are crafted with advanced electronics, software and
materials incorporated into a rugged, professional design offering years of reliable service. The
radios provide operation in analog or digital, wideband or narrowband modes, and are APCO
Project-25 compatible. The Guardian II is available in three separate models (pictured below)
allowing the radio to be customized to end user requirements. Numerous combinations of
options, features and channel settings are possible using the Guardian PC Programmer.
Standard features include:
•
1024-channels/ Talkgroups (64 zones of 16 channels/zone)
•
AES, DES OFB Encryption
•
P-25 Trunking
•
P-25 OTAR (Over the Air Rekey)
•
Backlit LCD
•
Tri-color LED status indicator
•
16-position rotary volume and channel knobs
•
Two programmable collar switches
•
Emergency and function buttons
Channels can be individually programmed for 25 kHz wideband or 12.5 kHz narrowband
operation, analog or digital, clear or encrypted, with transmitter power settable from .2W to 5W.
Up to eight shadow channels can be programmed for any channel providing all-mode radio
performance. Thirty two encryption keys can be stored in the radio.
Radio Configuration
A radio configuration includes channels, zones and banks.
Channels
Channels contain all the information required to transmit and receive. A channel is referred to as
primary when it is differentiated from a shadow channel. The standard radio has a total of 1024
programmable channels. Each channel can be set for: Receive and transmit frequencies
Wideband or narrowband
•
•
Analog or digital
•
Various squelch types
•
Encryption key
•
Power output level
•
12-character alphanumeric channel tag (name)
Zones
Zones provide a way of rapidly switching groups of channels. Each zone can contain up to 16
channels. If the 3 position collar switch set for Zone Select, the radio provides easy access to 48
channels by using the collar switch and the channel select knob. Up to 64 zones can be accessed
from the radio keypad or programmable soft keys and displayed in the standard radio. Channels
can be mapped to the channel select knob within each zone using the PC Programmer. A zone
must be assigned to a bank.
Banks
Banks provide a way of switching a set of zones (containing channels) with a few key presses.
For example, the Banks can be programmed with different geographic frequency plans. Up to 8
banks (with a maximum of 16 zones each) can be programmed into the radio. Each bank contains
a collection of zones, as well as defined priority channels, a home channel, and an emergency
channel.
Shadow Channels
Shadow channels are created and edited using the PC Programmer. Up to 8 shadow channels are
available for each primary channel. Shadow channels enable you to monitor and reply (if all
settings match) to all transmissions on a given channel. Shadow channels can have different
modulation modes (analog or digital), bandwidths, squelch modes, digital network access codes
(NAC), or encryption keys than their associated primary channel. Each shadow channel must
have the same transmit and receive frequencies, scan list, talk-around, locked options, and
transmit power level as its associated primary channel. Shadow
channels count toward the 1024-
channel total radio capacity.
Accessories
The following accessories are available for the Guardian Portable radio. Contact your Guardian
representative for details on these accessories.
•
Rechargeable battery packs
•
Single and multi-unit rapid chargers
•
Antenna
•
PC Programming kit
•
Cloning cable
•
Audio Accessories
•
Speaker Microphone
•
Radio case and belt clip
Options
The Guardian II portable radio supports add-on software options for solutions to communications
requirements such as P-25 Trunking and Encryption. Optional enhancements are discussed in the final
chapters of this manual.
The Guardian II Portable is covered by the limited warranty (see warranty statement)
Factory Support
For warranty service, contact:
Technical Support Services Group
Datron World Communications Division
3030 Enterprise Court
Vista, CA 92081
Phone: (760) 597-1500
E-mail: service@dtwc.com.
Before calling have the following information:
•
Radio model number, serial number, and date of installation.
•
Name of dealer or supplier of equipment.
•
Detailed explanation of suspected problem.
•
Return shipping instructions.
•
Telephone or fax number where buyer can be contacted.
Do not return a radio to the factory for service without first obtaining an RMA number from the
Technical Support Services Group.
User Servicing
No user serviceable parts are inside. This product is subject to electrostatic discharge (ESD)
damage. Specialized maintenance and repair procedures are required. Unsuccessful attempts to
repair this product can void the warranty. This product requires customer-specific programming
to function as required. Radio programming is performed using a computer and authorized
software. The factory does not have knowledge of customer-specific programming. Government
agency users should contact their authorized personnel for assistance regarding the correct
operation of this product.
2: RADIO CONTROLS AND INDICATORS
Channel Selector
ON/OFF Volume
Collar Switches
Soft Keys
PTT
Antenna
Accessory Jack
Speaker
Alphanumeric Display
With Icons
Navigation Keys Alpha Numeric Key Pad
Power and Volume Knob
The fully counterclockwise position is power off. The first clockwise position is power on with
the speaker muted. Subsequent positions (clicks) increase the speaker volume. The clicking
feature prevents accidental knob rotation.
Channel Select Knob
The 16-position rotary knob is for selecting radio channels that have been programmed into it.
The current channel appears on the display.
Display
On power up, the radio momentarily displays the Guardian II name and software version. The
display then indicates the operation status for the selected channel. Turn the channel knob to
select a different channel.
Group Type
Channel Type
The display consists of various icons as shown in the figure above.
Channel type icons: Group type icons:
C
= channel B = bank
S
= shadow channel Z = zone
H
= home channel a around a zone type means it
s is included in the zone scan list
E
= emergency
P
= priority channel
a around a channel type
means it is included in a scan list
Modulation type icons:
AW
= analog wideband
AN
= analog narrowband
DG
= digital
around the modulation type means some form of selective squelch is active for the channel
a
(NAS, CTCSS or DCS)
Other icons:
TX
= transmit channel in scan mode
RX
= receive channel in scan mode
TA
= talkaround
∩∩∩
= repeater
= encrypted
U
= unit ID call mode
= Battery Gauge
= Signal Strength Indicator
Navigation Buttons
These four buttons perform actions determined by what appears on the display.
The
MENU
button lets you access the internal software menus, toggle between a setting and its
value and save data. The
ESCAPE (<ESC>
) button allows you to return to a previous display
without making changes to values. The Scroll up and down buttons highlight menu choices for
selection.
The left and right scroll buttons highlight alpha and numeric characters when changing values.
Keypad
Because all channel information and switch definitions can be programmed by the PC
Programmer, the keypad is not required for basic operation of the radio. The keypad is used to
select options within the radio, or to reprogram almost any setting. It is used for DTMF signaling,
keypad programming and feature selection, among other things.
Collar Switch (three position)
The 3-position (A, B, C) collar switch located under the ON/OFF Volume control is programmed
using the PC Programmer. Ask your radio programmer how it is setup to function.
Function Description
Scan
Sets scan mode to On, Priority, or Off.
Position A: Scan, Priority scan, or off
Position B: Scan, Priority scan, or off
Position C: All scan modes off
Monitor
(includes
squelch
adjust)
Provides monitor and carrier squelch adjust functions.
Position A: Squelch adjust mode (carrier squelch only)
Position B: Monitor on
Position C: Programmed squelch mode (monitor off)
Zone
Select
Selects Zone A, B or C.
Position A: First zone assigned in current bank
Position B: Second zone assigned in current bank
Position C: Third zone assigned in current bank
Talkaround Toggles channels between talkaround and repeater
modes.
Position A: Talkaround enabled
Position B: Talkaround disabled (repeater mode)
Position C: Talkaround disabled (repeater mode)
Hi/Lo
Power
Toggles the power setting from high to low. This
setting is programmed into each individual channel
and can be the same power level.
Position A: RF Power HI
Position B: RF Power LO
Position C: RF Power LO
The radio reads the toggle switch on power-up and
periodically. Setting is retained if battery is removed.
Collar Switch
The 2-position (o, ø) collar switch located under the channel selector and is programmed using
the PC Programmer. The most useful function of this control is to enable/disable encryption of
the selected channel.
Encryption Enables or disables encryption. The toggle positions:
Position A: TX encryption enabled
Position B: TX encryption disabled
Disabled
Position C: TX encryption disabled
Ignores any attempted use and provides an error tone.
Auxiliary Buttons
These Six programmable buttons are located on the side panel and the front (under the display) of
the radio and their use depends on how they are programmed using the PC Programmer. Ask
your radio programmer how they are set up to function.
The three most commonly used functions of these buttons are
Hi/Lo Power (useful for conserving battery life), Monitor (valuable when using analog FM
channels - also includes squelch control)
, and Next Zone.
Function Description
Hi/Lo
Power
Monitor
(includes
squelch
adjust)
Next Zone
Scan
Priority
Scan
Toggles the radio power setting from Hi to Lo. These
settings are programmed into each channel.
Provides monitor and carrier squelch adjust
functions.
Momentary press: Momentarily opens squelch.
Press and hold for 2 seconds: Locks radio into
squelch open condition. To return to normal mode,
momentarily press the monitor button.
Press and hold for 4 seconds: Activates carrier
squelch adjust (on carrier squelch adjust channels
only). To return to normal mode, momentarily press
the monitor button.
Cycles the radio through all zones of the current
bank. The zone is stored and retained as long as the
battery is on the radio. If this is pressed and held
until an audible tone is heard the direction of Next
Zone is reversed.
Toggles the scan mode on and off.
Toggles the priority scan mode off and on. This does
not affect regular scan, which works independently.
Scan List
Add and
Delete
Backlight
Disabled
Toggles the channel’s scan list off and on. Affects
the current channel only.
Toggles the radio’s backlight from off to Bright to
Dim with each key press. The backlight timer is not
affected. (The Bright+RX and Dim+RX turns the
backlight on when a signal is received)
Ignores any attempted use and provides error tone.
Encryption Toggles TX encryption from off to on for channels
programmed with encryption enabled. RX
encryption is unaffected. Encrypted channels can be
set by the PC Programmer to ignore this switch. The
switch has no effect on these channels (they stay
encrypted).
Home
Channel
Toggles the active channel from the Home Channel
to the currently selected channel. Normal operation
resumes on channel, zone, or bank change. This
setting can be changed using the keypad.
Keypad
Disable
To activate the key, press and hold it for 1 second.
Continue pressing to disabled the keys you want.
1st press: All keys enabled (front and side).
2nd press: Keypad disabled (side keys and toggle
switch still enabled).
3rd press: Keypad, side keys and toggle switch
disabled (PTT remains enabled).
This function can also be accessed from the keypad
<ESC>
by pressing and holding
<ENT>
holding
again.
. To regain access, do these steps
then pressing and
Talkaround To bypass a repeater and talk directly (DIRECT,
CAR-CAR, TAC, etc.) on a repeater channel.
Toggles channel from talkaround mode to repeater
mode.
Push-to-Talk (PTT)
The Guardian II radio is normally in a ready-to-receive mode (PTT not depressed). To transmit,
press PTT and speak into the radio in a normal voice. Distance from the radio is not critical, but
2-6 inches from the radio is optimal. To return to receive mode, release PTT.
Status Indicator
The LED indicates several conditions of the radio.
Indicator Description
Red
Steady
Green
Flashing
Green
Radio is transmitting.
Radio has detected RF traffic on the channel.
Radio has detected an encrypted signal on the channel.
Internal Speaker and Microphone
The internal speaker is active when external audio accessories are not used. The internal
microphone is active when you press the PTT button.
Emergency Button
The red emergency button on top of the radio is typically used for P25 Emergency operation but
can be programmed by the PC Programmer for any of the following functions. Ask your radio
programmer how it is set up to function.
Function Description
Disabled
Emergency
Mode
Zeroize
Ignores any attempted use and provides an error
tone.
The emergency channel is programmed by the PC
Programmer or from the radio keypad. If left unused,
the current channel serves as the emergency channel.
In P25 mode the emergency bit is set. Since analog
modes have no similar function, the radio performs
an open-mic function for the duration and interval
programmed by the PC Programmer.
Erases all encryption keys in the radio.
Alert Tones
Audible tones provide important information about the radio’s operating state or condition.
Tone
Pitch
Low
Low
Tone Length Description
Burst
Error pressing button, failed self-test,
talk time out warning or empty
Steady
channel.
Talk time out, talk inhibit, invalid
mode or radio locked.
Backlight
The backlight is illuminated when a signal is received (if programmed by the PC Programmer). It
is activated from an auxiliary button (toggles through settings) on the radio or from the keypad
There is a slight reduction in battery life if using the backlight, but not significant. The power
drain difference between dim and bright is negligible.
Medium
Medium
High
High
Burst
Pulsed
Burst
Pulsed
Button press, passed self-test or
receiving in clear voice.
Emergency call mode or key error.
Low battery.
Individual call.
3: OPERATING THE RADIO
The Guardian II operates with most of its features already programmed into the radio. Request a
list of the functions that are assigned to the buttons and switch on your radio.
Quick Start
Before proceeding, the radio must be set up using the Guardian PC Programmer. If necessary,
refer to Chapter 2, Controls and Indicators.
1. Battery
2. Antenna
3. Power-up
4. Select
channel
5. Receive
6. Transmit
Install a charged battery.
Install the correct antenna for the frequency
being used. Do not operate the radio without
an antenna.
Turn the power-volume knob clockwise about
halfway around. Set the volume to a
comfortable level when a transmission is
heard. A 5-10 second delay at power-up is
normal.
Turn the channel knob until the desired
channel is shown on the display.
Listen using the built-in speaker. Note: the first
volume knob click position mutes the speaker.
Press
microphone. Release
speaking. Do not press
necessary after talking.
PTT
and speak about 4 inches from
PTT
when finished
PTT
longer than
Selecting Channels
Use the rotary channel selector to select the desired operating channel. Changing Zones also
makes other preprogrammed channels available for use. (See Zone Select)
Selecting Shadow Channels
The Guardian II can be programmed to detect any type of analog FM signals and any
combination of P25 digital signals, up to 9 sets of analog/digital settings. This is done with the
use of shadow channels. Once received, the radio is programmable to transmit either in kind or
strapped to its channel selector.
This mix-mode of operation enables digital systems to seamlessly integrate into older analog
systems. The preferred signaling mode can be set up for a P25 digital signal, be able to receive
any analog signal and respond back to the operator on the analog radio.
Applications
Some applications that are available using shadow channels are:
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