Wulfsberg P-2000 User manual

Operator’s Manual
P-2000 and C-2000/RT-2000
Transceiver Systems
P-2000
Part Number: 400-049200-11-xxx-xxxx-xxxx
Software Mod: 1
C-2000
Part Number 400-049300-11-xxx-xxxx-xxxx
Software Mod: 1
RT-2000
Part Number 400-049400-11-xxx-xxxx-xxxx
Software Mod: 1

Wulfsberg Electronics P-2000 and C-2000/RT-2000 Operator’s Manual
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TABLE OF CONTENTS
INTRODUCTION .......................................................................................................................................................3
FEATURES ..................................................................................................................................................................3
TRANSCEIVER OVERVIEW ..........................................................................................................................................4
BASIC OPERATIONS................................................................................................................................................5
FRONT PANEL & CONTROLS.......................................................................................................................................5
KEYPAD BUTTONS......................................................................................................................................................6
THE HOME PAGE ........................................................................................................................................................7
SETTING THE DISPLAY BRIGHTNESS.........................................................................................................................10
SETTING THE VOLUME LEVEL ..................................................................................................................................10
SELECTING THE ACTIVE TRANSCEIVER ....................................................................................................................11
SELECTING A STANDBY CHANNEL USING THE CURSOR/TUNE KNOB .......................................................................12
SELECTING A CHANNEL USING THE KEYPAD ...........................................................................................................12
SELECTING A CHANNEL BY ALPHANUMERIC IDENTIFIER .........................................................................................13
USING THE DIRECT/REPEAT FEATURE......................................................................................................................13
RECEIVING/TRANSMITTING ......................................................................................................................................14
ENABLING/DISABLING TRANSCEIVERS.....................................................................................................................14
QMEM OPERATIONS ............................................................................................................................................15
MESSAGE PAGE......................................................................................................................................................16
PROGRAMMING/EDITING A PRESET CHANNEL .........................................................................................18
EDITING A PRESET CHANNEL ...................................................................................................................................19
CHANGING TRANSMIT POWER..................................................................................................................................19
ENHANCED SYSTEM FEATURES.......................................................................................................................20
RELAY MODE ...........................................................................................................................................................20
SIMULCAST MODE....................................................................................................................................................21
RELAY/SIMULCAST MODE .......................................................................................................................................22
REPEATER MODE......................................................................................................................................................23
XTS-EMULATION MODE ..........................................................................................................................................24
PHONE PATCH MODE ...............................................................................................................................................24
ENCRYPTION FEATURES ....................................................................................................................................25
TURNING ENCRYPTION ON AND OFF ........................................................................................................................25
SELECTING AN ENCRYPTION KEY.............................................................................................................................25
PERFORMING AN OTAR ...........................................................................................................................................26
LOADING ENCRYPTION KEYS ...................................................................................................................................28
ERASING ENCRYPTION KEYS WITH A KEYLOADER .................................................................................................29
CPS MODE ................................................................................................................................................................30
LOADING CHANNEL MEMORY..................................................................................................................................30
SYSTEM SETUP MODE .........................................................................................................................................32
MAINTENANCE PAGES ........................................................................................................................................34
FLASHPORT MODE....................................................................................................................................................35
DIGITAL POT TUNING MODE ....................................................................................................................................35
SOFTWARE VERSIONS DISPLAY PAGE ......................................................................................................................36
STEPS TO SUCCESSFUL SETUP AND OPERATION.......................................................................................37

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Introduction
The Wulfsberg "2000" family of Flexcomm products are comprised of the P-2000 panel mount transceiver and the
RT-2000 remote mount transceiver which is controlled by the C-2000 control head. The P-2000 and RT-2000 are
capable of being populated with one or two ITM's (Internal Transceiver Modules) covering any combination of the
following frequency bands: VHF 136-174 MHz, UHF -1 (403-470 MHz), UHF -2 (450-520 MHz) and UHF800
(806-870 MHz). For applications where multiple points of user operation are required, one or more C-2000's can be
added.
For purposes of this manual the term "P-2000" shall be used to describe a P-2000 or C-2000/RT-2000 installation.
The features and user interface are identical in both systems.
Features
The P-2000 provides a host of powerful features, including:
•Multi-band operations: One or Two ITM's covering any combination of the following frequency bands:
•136 - 174 MHz (10/1 Watt Transmit Power)
•403 - 470 MHz (10/1 Watt Transmit Power)
•450 - 520 MHz (10/1 Watt Transmit Power)
•806 - 870 MHz (3/1 Watt Transmit Power)
•Clear and bright Color LCD display showing Active/Standby channel selection along with other critical
operational information.
•255 Preset channel memory in each internal transceiver module.
•The powerful yet incredibly simple user interface that allows the user to select channels using the firm tactile
feedback keypad or rotary knobs.
•Modulation types available in the P-2000 include FM analog, P25 Digital conventional, P25 Trunking and
Motorola 3600 Baud Trunking. Transceivers are capable of operating on 12.5 kHz, 20.0 kHz, and 25.0 kHz
channels depending on options.
•Multiple types of encryption are available as options (AES, DES, DES-XL, DES-OFB, DVP and DVI). In
addition, MDC1200 OTAR and P25 OTAR are standard in all models that include encryption capability.
•One or Two microphone/headset interfaces are supported. This provides retrofit applications the ability to use
both transceivers even if only one microphone/headset port is available on the aircraft audio panel system. If
two microphone/headset ports are used, the P-2000 is capable of independent operation of each ITM. In other
words, one user can be operating on FM1 while the other user independently uses FM2.
•Advanced multi-radio modes, such as Relay, Simulcast and Relay-Simulcast.
•Programming port on the front of the panel allows for computer loading of channel information and encryption
key loading.
•Wulfsberg's exclusive QMEM (Quick Memory) function allows for fast access to preset memory channels.

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Transceiver Overview
The Wulfsberg 2000 family of radio products is a group of FM Tactical transceivers that incorporate one or two
transceiver modules and control functions into a single panel mount unit (P-2000) or a panel mount control head
(C-2000) and remote mount RT-2000 Transceiver. Part number variations of the unit exist for any combination of
the following frequency bands: 138-174 MHz, 403-470 MHz, 450-520 MHz, and 806-870 MHz. Each transceiver
module, with the exception of the 806-870 MHz band, can transmit with either 1 or 10 watts transmit power. The
800 MHz unit produces either 1 or 3 watts transmit power. The P-2000 can operate by itself or in conjunction with
the C-2000 control display acting as a remote slave control. Input voltage is 28 volts DC and the keypad is backlit
from either 28VDC, 5 VDC or 5 VRMS AC.
The Wulfsberg C-2000 is a control display unit that can be used as a slave control head with a P-2000 panel mount
transceiver, or as either a primary or slave control head for the RT- 2000 remote transceiver. Versions of the
C-2000 include black faceplate and options for either Standard or NVG compatible displays. Input voltage is 28
volts DC and the keypad is backlit from either 28 VDC, 5 VDC or 5 VRMS.
The Wulfsberg RT-2000 is a remote mounted transceiver that incorporates one or two transceiver modules in a
remote mounted unit. It must be controlled by at least one C-2000 control head. Additional C-2000's can be added
to the system for multi-positional control of the transceiver.
The P-2000 or C-2000/RT-2000 systems operate identically with the exception of the PC/Keyloading interface. For
a P-2000 the interface is located on the front of the P-2000. In a C-2000/RT-2000 system, the connector on the
RT-2000 is used for PC/Keyloading functions. The connector on the C-2000 is not currently used.
For the purposes of this operator’s manual the use of the phrase “P-2000” will be used to cover
both P-2000 and C-2000/RT-2000 systems.
NOTE:

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Basic Operations
Front Panel & Controls
DISPLAY
The P-2000 has a color LCD display. It provides the visual feedback for the system. Exactly what is displayed
depends on the current operating mode of the P-2000. During normal operation, the top area shows information for
FM #1 and the bottom line shows information for FM #2.
The keypad and select/tune rotary knobs perform functions on the transceiver that is highlighted in blue. The blue
highlight also indicates which transceiver has been selected for transmitting when the system is operating in MODE
1. This is the mode in which only one audio panel position being shared between the two transceivers.
FM #1 SELECT – This button selects FM #1 as the
active transceiver. This is depicted on the display by
the FM1 area turning a bright blue color. The keypad
and select/Tune Knobs will now operate exclusively
on the FM1 transceiver.
FM #2 SELECT - This button selects FM #2 as the
active transceiver. This is depicted on the display by
the FM2 area turning a bright blue color. The keypad
and select/Tune Knobs will now operate exclusively
on the FM2 transceiver.
FM #1 TRANSFER – The button will transfer
(flip-flop) the active and standby channels for FM1.
FM #2 TRANSFER – This button will transfer
(flip-flop) the active and standby channels for FM2.
FM #1 VOLUME KNOB – This rotary switch is
used to control the volume of FM #1. Pressing the
button will perform a “Test” of the audio system by
allowing audio from that transceiver to be sent to the
headset. This is used to vary volume levels of that
transceiver.
FM #2 VOLUME KNOB – This rotary switch is
used to control the volume of FM #2. Pressing the
button will perform a “Test” of the audio system by
allowing audio from that transceiver to be sent to the
headset. This is used to vary volume levels of that
transceiver.
SELECT KNOB – This rotary switch is used to
move the cursor around the display.
TUNE KNOB – This rotary switch is used to modify
values at the cursor position.
ENTER/PWR button – Pushing the TUNE KNOB
(small rotary knob) button performs both “Enter” and
power on/off operations.
DATA PORT – This connector is used to transfer
data between the P-2000 and Encrytion Keyloaders
or for loading preset channel information via the
Motorola CPS (PC based) software.
FM #1 Select
FM #2 Select
FM #1 Volume
FM #2 Volume
Data Port
Cursor Knob
Keypad
FM #1 Transfer FM #2 Transfer
Value Knob &
Enter/Power
Button

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Keypad Buttons
The P-2000 has a 12 button keypad. Each button’s functions are described below.
1:DIR Toggles the active transceiver in and out of
DIRECT mode. Use this button to enter a “1” during
keypad entry mode.
2:MODE This button will cycle through the
enhanced modes of operation. Use this button to
enter a “2” during keypad entry mode.
3:PROG This button will display the PROGRAM
PAGE. Use this button to enter “3” during keypad
entry mode.
4:DIM This button will display the page used to
control the display’s brightness. Use this button to
enter a “4” during keypad entry mode.
5:OTAR This button will initiate an “Over The Air
Rekey” for the transceiver under cursor control . Use
this button to enter a “5” during keypad entry mode.
#:CHAN This button will select channel entry mode
using the keypad. Use this button to enter a “#”
during keypad entry mode.
6:KEY This button will prompt the user for a
transmit encryption key to override the preset value
for the active transceiver. Use this button to enter a
“6” during keypad entry mode.
7:MSG This button will allow the user to view
system messages pages. Use this button to enter a “7”
during keypad entry mode
8:SCAN This button will send the active transceiver
into scan mode. Use this button to enter an “8”
during keypad entry mode.
9:PVTφThis button will toggle the active
transceiver in and out of private mode. Use this
button to enter a “9” during keypad entry mode.
0:QMEM This button allows the user to quickly
select a preset channel using the Quick Memory
channel entry mode. Use this button to enter a “0”
during keypad entry mode.
*:HOME This button will display the HOME PAGE,
except in some advanced modes of operation, where
it will return the user to a previous page or mode of
operation. Use this button to enter a “*” during
keypad entry mode.

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The Home Page
The HOME PAGE is the primary operational page of the P-2000. The HOME PAGE becomes visible when the
P-2000 is ready for user input, immediately after the power up and initialization sequences have completed. When
viewing the HOME PAGE, Radio 1 (Also called FM1 or Transceiver #1) is always displayed on the top section.
Radio 2 is always displayed on the bottom section. All keypad-initiated operations are performed on the active
radio. The active radio easily distinguished by the bright blue color. The cursor is the square box that is located
either around the channel number or around the channel alpha identifier. It can be quickly toggled between the
channel number and alpha identifier using the Select Knob.
The following illustration is an example of what the HOME PAGE looks like.
The home page is divided into 3 areas – FM 1 information (top), FM 2 information (middle), and an area for system
status or system prompts (bottom). Notice in the picture above that the area in blue contains the information for FM
1. FM 1 will always be on the top. The names “FM1”, “FM2” can be changed in the system setup so that users can
change it to something more meaningful to their use such as “VHF” or “MAIN”.
ACT/SBY - The normal operating mode of the P-2000 is very similar to most ATC COMM radios. The user tunes
the Standby channel and then “flip-flops” it into the Active channel position using the TRANSFER button. The
radio is loaded with Active channel. The standby channel is ONLY used as a scratchpad for selecting the next
channel.
As an alternative to using the ACTIVE/STANDBY mode, the operator can press and hold the transfer button for 3
seconds and the STANDBY channel will disappear and now the user can tune the active channel directly. Either
mode can be selected in the System Setup Mode as the default mode of operation.
Notice the square box (CURSOR) around the SBY channel number 104. This indicates the system will tune the
Standby channel number. The cursor can be moved around the Alpha Identifier and channels will be selected
alphabetically.
STATUS LINE - The status line is located on the very bottom of the display and it is where the user will be
prompted to either input more information via the keypad. It is also used to display the Message Indictor used to
show there is a system message to view. In this case the user should put the MSG button to show the Message page.
ACTIVE Channel
STANDBY Channel
System Status Information
FM 1 Discreet Indicators
Channel Alpha Identifier
CURSOR
FM 1 Information
FM 2 Information

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FM1
M
TX
RX
DIR
PVT
SCAN
Discreet Indicators – The following discreet indicators apply to both FM1 and FM2.
This helps the user know the information in this block is for the transceiver located in FM #1 Position.
This indicates that the audio for that transceiver has been turned muted. To un-mute the audio, change
the volume on that radio to something other than “0”.
This indicates the transceiver is in the transmit mode.
This indicates the transceiver is receiving a signal.
This indicates the transceiver has been put into DIRECT mode. Direct mode is also called “Talk-
around”, “Car-to-Car”, or “Simplex”.
This indicates the transceiver has been put into Private mode and will use the encryption system
embedded in the transceiver. This mode is not available if a channel is not programmed for encryption.
This indicates the transceiver has been put into Scan mode.
You can always get back to the HOME PAGE by pressing the HOME
button one or more times.
ACTIVE Channel
STANDBY Channel
FM 1 Discreet Indicators
Channel Alpha Identifier

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Turning the System On and Off
To power-on the P-2000, press and hold the PWR button (push in the TUNE Knob) for approximately one second
and release. Several version number and copyright pages appear on the display while the unit performs a self-test
and initializes the attached radio systems. When initialization is complete, the HOME PAGE will appear on the
display.
To power the P-2000 OFF, press and hold the PWR button for 3 seconds. The following message flashes on the
display several times:
Continue to hold the PWR button until the message stops flashing and the display turns off.
If aircraft power is removed while the P-2000 is in operation, the P-2000 will store the following information to
memory so that when power is re-applied the system will be at the same operating point:
1. Current active and standby channels for FM1 and FM2.
2. Current volume levels for FM1 and FM2.
If the operator releases the “PWR” button prior to 3 seconds elapsing, the display will return its previous state.

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Setting the Display Brightness
When the user presses the DIM button, the display brightness adjustment display appears. When the Tune Knob is
turned clockwise, the display brightness increases in intensity. When the Tune Knob is turned counter-clockwise,
the display brightness decreases in intensity. The Brightness display disappears when no Tune Knob activity has
been present for more than 2 seconds.
Setting the Volume Level
When you first power on the P-2000, the volume levels for both transceivers will be reset to the level that was active
when the unit was powered down. You can change the volume level as follows.
When the user turns either of the volume knobs, the volume adjustment display will appear. When the upper
volume knob is turned, the volume adjustment display will appear on the upper half of the screen, and will adjust the
volume on FM1 transceiver. Likewise, when the lower volume knob is turned, the volume adjustment display will
appear on the lower half of the screen, and will adjust the volume on FM2 transceiver. The display below depicts
the volume adjustment display when the upper volume knob has been turned. Turning the volume knob clockwise
will increase the volume level, while turning the knob counter-clockwise will decrease the volume level. The
current volume level will be displayed within the display. If the volume is turned all the way down to the off
position, the bar will turn red and the Mute indicator will be displayed on the main page.
To test the current volume level, press the volume knob and noise should be heard in the headset. The volume
adjustment display will automatically disappear if when no knob turning activity has occurred for more than 2
seconds.

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Selecting the Active Transceiver
To make FM1 or FM2 the “active transceiver” means that the keypad/rotary knobs will perform operations on that
transceiver. The active transceiver is always highlighted in a bright blue color. As shown in the picture below, FM1
is the active transceiver.
To make FM1 the active transceiver: Push the FM #1 SELECT BUTTON (shown above). Pushing the FM #2
SELECT BUTTON will make FM2 the active transceiver and the blue highlight will be moved to the FM2 area of
the display (shown below).
When the P-2000 operating in MODE 1 (only one headset shared between two transceivers), the active transceiver is
the one that will be used for transmitting. In MODE 1, the transceivers (FM1 and FM2) will have their receive
audio summed together and sent to the headset. The operator must choose which transceiver will be used when they
want to transmit.
FM #2 Select
FM #1 Select

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Selecting a Standby Channel Using the Cursor/Tune Knob
When the P-2000 first powers on, the selected channels will be set to those that were active when the unit was
powered down. To select a different preset channel, do the following:
Using the Select Knob, put the square cursor around the channel number. Turn the Tune Knob until the channel is
your desired channel. If you wish to make this your active channel, push the transfer button.
Selecting a Channel Using the Keypad
Occasionally, it is desirable to select a preset channel by entering its number via the keypad, rather than dialing it in
with the Select/Tune knobs. This can be performed as follows.
When the user presses the CHAN key, the keypad channel entry mode will begin. This mode allows the user to tune
a channel by inputting the desired channel’s number into a field via the keypad. The figure below depicts this mode
of channel tuning. If no keypad input is received for more than 4 seconds, the operation will automatically cancel.
Pressing the HOME key operation will also cancel the operation. When the user presses the ENTER key, the
channel with the number input into the field will be loaded. If the input channel number is invalid, an error tone will
sound, and the previous “good” channel will be reinstated.

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Selecting a Channel by Alphanumeric Identifier
To change the standby channel using the Alpha Identifier, use the Select Knob to move the cursor square around the
alpha identifier as shown below. Turn the Tune Knob until the channel is your desired channel. Notice that
channels change alphabetically.
Using the Direct/Repeat Feature
The P-2000 supports both direct and repeat modes of operation. Any preset channel that has identical transmit and
receive frequencies is considered a direct channel. If the transmit and receive frequencies are different, the P-2000
considers the channel a repeater channel. Repeater channels can be temporarily changed into direct channels by
pressing the DIR button. This will temporarily copy the receive frequency into the transmit frequency. The direct
mode indicator will light. The following illustration shows radio 1 in direct mode.
Pressing the DIR button on a direct channel has no effect.
Direct Mode Indicato
r
NOTE:

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Receiving/Transmitting
Transmitting
To transmit on a radio system, select the appropriate source on your audio panel, and key the microphone.
Transmission will begin on the radio’s currently selected Active Channel. During the transmission, the radio’s
transmit indicator will light, and the channel’s transmit frequency will be displayed. The following illustration
depicts FM #1 transmitting.
Receiving
The P-2000 is constantly monitoring its radios for reception. When a signal is received, the P-2000 will light the
receive indicator for the receiving radio, and route the audio to the operator’s headset (assuming the associated
intercom switch is selected). The following illustration depicts FM #2 receiving.
Enabling/Disabling Transceivers
Transceivers cannot be individually powered off on the P-2000, however the volume level of either transceiver can
be reduced to zero, effectively turning off the transceiver. The screen below shows what the display looks like when
the audio level of a transceiver is set to zero. Notice the mute indicator is displayed and the level indicator turns red.
RX Indicato
r
TX Indicato
r

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QMEM Operations
When the user presses the QMEM key, the system will enter the QMEM mode. This mode allows the user to either
select or program a QMEM location. When the user presses the QMEM key, then presses a keypad key (0-9), the
channel programmed into the corresponding (0-9) QMEM location shall be loaded into the active channel, and the
previously active channel shall be loaded into the standby channel. If the user presses the QMEM key, then presses
and holds down a keypad key (0-9) for 3 or more seconds, the current active channel shall be programmed into the
corresponding QMEM location. If the user does not press any key for more than 4 seconds after pressing the
QMEM key, the QMEM operation shall automatically be cancelled. The user can also cancel the QMEM operation
by pressing the HOME key. The figure below shows the QMEM operation in mid stream.
To store a channel into a QMEM position first put the desired channel in the active channel and press the QMEM
button. The figure below shows what the display will look like.
At this point press and hold button 0-9 until the status line indicates the storage operation is completed, as shown in
the picture below:
To load the active channel using QMEM, simply push the QMEM button followed by a 0-9 button and the
programmed channel will be automatically loaded into the active channel. If that QMEM position has not been
programmed with a channel, the status line will indicate to the user no channel is programmed.

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MESSAGE PAGE
This page allows the user to manage text messages for the system. When no unread messages exist within the
system, the MSG indicator will not be visible on the normal operation page. When the MSG key is pressed on the
normal operation page and no messages are available, the no message page is displayed. This page is depicted
below. The only selectable item on this page will be the back button. Pressing ENTER will return to the HOME
page.
When an unread message exists within the system, the MSG indicator will be visible on the HOME page. When the
MSG key is pressed and messages are available, the message list page shall be displayed. An example of a message
page that contains unread messages is shown below.

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The Select Knob allows the selection of the message list, back button, erase button, and next button. Pressing
ENTER while the BACK button is selected returns to the previous page. Pressing ENTER while the ERASE button
is selected deletes the currently selected message from the message list. Pressing ENTER while the NEXT button is
selected invokes the message view page for the currently selected message in the message list. The message view
page is depicted below.
You can always get back to the HOME PAGE by pressing the HOME
button one or more times.

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Programming/Editing a Preset Channel
The EDIT PAGE allows the operator to temporarily change properties of a preset channel. Precisely which
properties can be changed varies with channel and radio type. At a minimum, all information that can be determined
by the system during the LEARN mode is displayed on this page.
While on the HOME page press the EDIT button and Programming Mode display page will be seen.
Select either of the first two options to program or edit preset channels for FM1 or FM 2 transceivers. Once a
selection has been made the display will show the Channel Properties page will be displayed as seen below:
On this page field labels are shown in white characters and data fields are in green characters. The Select/Tune
knobs are used to move the cursor to the different fields and then change and/or select data entered via the Tune
Knob.
Below is a list of the data fields used on this display page:
Channel Identifier field (CHAN:) – This displays the currently selected channel, i.e. the channel you are editing.
Zone Number (Z:) – This displays which zone the preset channel is stored in.
Channel Number (C) – This displays which channel the preset channel is stored in.
ALPHA ID (ALPHA) – This field displays the alpha identifier for channel being programming.
Modulation Type Field – This field displays the current channel’s modulation type. The modulation types are
displayed as AM, FM, P (P25), and TK (trunking) and the channel bandwidth 12.5/20/25/30 kHz.

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NAC Code (NAC) – This shows the NAC code number used on P-25 systems.
Receive Frequency Field (RX:) – This field displays the current channel’s receive frequency.
Receive Tone Field – This field displays the current channel’s receive CTCSS/DCS (PL/DPL) tone.
Transmit Frequency Field (TX:) – This field displays the current channel’s transmit frequency.
Transmit Tone Field – This field displays the current channel’s transmit tone.
Transmit Power Level Field – This field displays the current channel’s transmit power level. Power level is
displayed as HI for high power or LO for low power.
Encryption Type (ENC:) – This field displays if the preset channel is setup to use encryption.
OTAR Field (O:) – This field displays if the current channel is setup to be able to OTAR.
Encryption Key Field (K:) – This field displays the current channel’s transmit encryption key. The encryption key
will display as a number between 1 and 16, or “..” if no key has been specified for the channel.
Editing a Preset Channel
Currently only changing of the transmit power is allowed for editing a preset channel.
Changing Transmit Power
The P-2000 supports the selection of high and low transmit power. Normally high power is used, however, if
interference or other transmit issues are experienced, low power may be selected to help remedy the issue. If you
have a radio that supports multiple power levels, such as the RT-5000, you can alter the power setting from the
EDIT PAGE as follows:
•Move the cursor under the transmit power field, as depicted below.
•Rotate the TUNE knob clockwise once. The power indicator will toggle between high and low with each turn
of the TUNE knob.
•Press the HOME button or the BACK button to exit the mode and return to the normal operating page.

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Enhanced System Features
Relay Mode
Relay Mode allows your aircraft’s P-2000-based transceiver system to automatically relay receiver audio from one
transceiver and retransmit it out the transmitter. If a Relay Mode link is established between two locations, a
message received from one location is automatically retransmitted to the other. You can establish relay operation as
follows:
•From the HOME page select the desired channel for radio 1 and establish communications on that channel.
•From the HOME page select the desired channel for radio 2 and establish communication on the channel.
•Press the MODE button and the Mode Selection page will be displayed:
•Select the RELAY MODE by high-lighting the option and pressing the ENTER button. The unit will now enter
the RELAY mode and the display will look like the one below: