Yaesu Musen Yaesu Vr 5000 Communications Reciever Operating Manual

							VR-5000 OPERATING MANUAL9
Installation
We recommend that, when using an external DC power supply, you turn the power supply
on, then turn on the VR-5000; when shutting down, turn the VR-5000 off first, then turn
off the power supply.
If the input voltage becomes too low (due to power supply failure or a problem in the DC
cable), the VR-5000’s display will indicate “ERROR LOW VOLTAGE” If this should hap-
pen, check the output voltage from your power supply; if it is OK, then look for a problem
in the DC cable.
Important Notice
Be absolutely certain to observe correct power supply polarity. Our Limited War-
ranty does not cover damage caused by improper power supply voltage or polarity.
ANTENNA CONSIDERATIONS
Antenna performance is critical to successful reception using the VR-5000.  Extra time
and care in installing your antenna(s) will reap great benefits for your monitoring station.
Best performance will always be obtained by the use of an outdoor antenna system, in-
stalled as high and in the clear as reasonably possible. Indoor antenna installations gener-
ally suffer from high levels of interference from computers and other electronic devices, as
well as noise generated by fluorescent lights and home appliances.
Because of the wide frequency range of the VR-5000, no single antenna can be expected
to provide optimized performance on all available frequencies. Therefore, separate discus-
sions will address antenna principles for three general categories of antenna frequency
range.
Important Safety Note
Never install an antenna where it (or its supporting mast) could possibly come in
contact with utility power lines, even in a catastrophic wind storm. Such power
lines carry thousands of volts of energy, and you can be killed instantly if the
antenna connected to this product should come in contact with power lines, even
for an instant.
The utilization of the services of a professional antenna-installation company is
highly recommended, if you have any doubts about your ability to install your
antenna system safely. 
						

							VR-5000 OPERATING MANUAL10
Installation
Antennas for Low- and Medium-Frequency Reception (below 2 MHz)
Good all-around reception will be obtained using a single long random length wire, con-
nected to the (red) Hi-Z terminal on the rear panel. The wire should be supported as high
above ground as possible by insulators at the end at possibly mid-span, depending on the
length of the wire. The longer the wire, the stronger will be the signals received.
Insulated wire is generally preferred, as it is less susceptible to corrosion. The wire should
be clear of nearby metallic objects to the greatest extent possible.
A good earth ground connection, as shown in the illustration, can be essential to good
performance of a random length antenna. It may be connected to the Black terminal just to
the left of the Red antenna terminal.
Antennas for Short-wave (HF)
Optimum performance on frequencies between 2 and 30 MHz will generally be obtained
through use of a resonant antenna with an impedance near 50 Ohms at the frequency of
interest. Broadband or multiband “Dipole” antennas, such as the Yaesu model YA-30, are
available from your dealer.
If a particular frequency in the HF range is of interest to you, a half-wavelength Dipole
antenna may easily be constructed from readily-available materials. A dipole consists of a
length of wire, cut according to the formulas below; the wire is broken in the middle, and
insulators are installed at each end and in the middle. A 50- or 75-Ohm coaxial cable is
then connected in the middle, with the center conductor of the coaxial cable going to one
side of the center insulator and the shield of the coaxial cable connecting to the other side
of the insulator.
Length (meters)  = 142.5 ÷ Frequency (MHz), or
Length (feet)      =    468 ÷ Frequency (MHz)
Better “balance” in the antenna’s reception pattern will be obtained if you make a coil of
coaxial cable, ten turns of about 10” (25 cm) in diameter, just below the center insulator of
the Dipole antenna. Tape the turns together securely to hold them in place.
The Dipole will work well near its design frequency. However, if you are interested in
reception on several frequency bands separated by a number of MHz (for example, the 7
MHz band and the 15 MHz band), you may wish to cut wires for each band of interest, and
solder the center ends of these different-length wires together on each side of the center
insulator. The outer ends may then be fanned out so that they are separated by a few feet.
Install a type “M” (“PL-259”) coaxial connector at the station-end of the coaxial cable, and
connect the coaxial cable to the coaxial jack (“Antenna A”) on the rear panel of the VR-
5000. 
						

							VR-5000 OPERATING MANUAL11
Installation
Antennas for VHF and UHF Reception
Any antenna used for reception above 30 MHz will be fed with coaxial cable, so it must be
connected to the Antenna A jack.
The wide frequency coverage of the VR-5000 means that a wide-band vertical antenna
(such as the “Discone” type) will be required for reasonable performance on the VHF and
UHF bands. Optimized narrow-band vertical antennas will provide better performance on
a specific frequency range, at the expense of poorer performance on other frequencies.
While vertical orientation of the antenna will be compatible with the configuration of the
majority of base and mobile stations being heard, horizontally-oriented antennas are often
used by amateur radio stations using the USB and CW modes in the 50 MHz, 70 MHz
(U.K.), 144 MHz, and 432 MHz bands.
Whichever antenna(s) you use, it is important to use the best quality (lowest loss) coaxial
cable possible, as cable loss in a long length of coaxial cable can be very high if small-
diameter cable is used. This will reduce the strength of the incoming signals, making re-
ception of weaker signals difficult or impossible.
Your local dealer will be in the best position to recommend an antenna type, as well as
installation tips, for successful monitoring in your area.
Antenna Switching
Antenna switching between the coaxial Antenna-A and long-wire Antenna-B jacks (on
the rear panel of the receiver) is accomplished using the ANT A/B slide switch, located
between the two antenna jacks on the rear panel of the VR-5000. An antenna may be
connected to each jack; there is no need to remove an antenna when the alternate jack is
being used.
If multiple antennas are to be used in conjunction with the coaxial Antenna A jack, con-
sult your dealer regarding the procurement of a coaxial antenna switch suitable for the
frequency range of interest.
Important Note Regarding Antenna Safety!
Disconnect all antennas connected to the VR-5000 if you receive information that a
lightning storm is approaching your area. Extremely high voltages can be fed into
your station through an antenna system, and a receiver struck by lightning will be
permanently damaged or destroyed.
Do not, however, attempt to disconnect your antenna(s) if a lightning storm is in
progress in your immediate area. You could be killed instantly if you are handling
the antenna or its feedline at the moment lightning strikes! 
						

							VR-5000 OPERATING MANUAL12
Installation
MUTE Terminal Connections
The MUTE jack on the rear panel allows the receiver to be silenced during  transmission,
should the VR-5000 be utilized with an external transmitter (not available from Yaesu).
Typically, such a transmitter will have an internal relay, the contacts of which will close to
ground during transmission; connection of a cable connected to this type of switching
system will cause the audio output from the VR-5000 to be cut off (when the center con-
ductor is shorted to ground).
If an external transmitter is used, it is
important also to disconnect all anten-
nas connected to the VR-5000 during
transmission. An external switch or re-
lay will be required for this task.
REC Jack Connections
The rear panel’s REC jack provides constant-level “Line Out” audio output, suitable for
connection to a tape recorder, modem, or computer sound card for recording or data-
decoding purposes. The front panel Volume control does not affect the output level at this
jack, which is 8 mV (rms) at 1 kΩ impedance.
EXT SP Jack Connections
An external loudspeaker may be connected to the rear panel’s EXT SP jack. The external
loudspeaker should have an impedance between 4Ω  and 16Ω. Do not connect earphones
to this jack, as the output level is high enough to yield the potential for hearing damage.
ANT A
CATIF  OUTANT
A B
+8V REC EXT SPANT B MUTE
DC 13.5V
MUTENormally Open (N.O)
Transmmiter triggerd relay
Normally Closed (N.C)Common
GND
8 mV (rms) at 1 k  impedance
ΩEXT SP (4     16 Ω～Ω) GND GND 
						

							VR-5000 OPERATING MANUAL13
Installation
+8V Jack Connections
The +8V jack may be used for powering of small accessories. The output current, however,
is limited to 100 mA or less, so check the current requirements for your accessory before
connecting it to this jack.
Exercise particular care with any cables connected to this jack. If the far end of the cable
should become shorted to ground (perhaps by accidental contact with a metal surface), the
internal fuse for this jack will “blow” instantly.
IF OUT Jack Connections
A portion of the 10.7 MHz Intermediate Frequency (IF) stage signal is available via this
jack. This may be used for observing signal characteristics, or a separate receiver may be
connected here to monitor FM  broadcast sub-carrier signals, etc. 
						

							VR-5000 OPERATING MANUAL14
Basic Operation
INTRODUCTION
The VR-5000 utilizes a “VFO” (Variable Frequency Oscillator) tuning system for fre-
quency selection. Two VFOs are provided, termed the “MAIN” and “SUB” VFOs in this
manual. The VFOs utilize tuning “steps” which vary between operating modes, and which
may be set by the owner according to your location and operating preferences. Fundamen-
tally, however, a VFO may simply be thought of as a tuning dial for the receiver.
Details regarding setup and operation of the VR-5000 are found in the pages to follow.
TURNING THE POWER ON/OFF
Press and hold the orange PWR switch for one second to turn the radio on and off. The
one-second delay minimizes the chance that the radio will accidentally be turned on or off
by bumping the PWR switch.
ADJUSTING THE VOLUME AND SQUELCH
1. Rotate the MAIN VOL knob to adjust the audio volume of the MAIN VFO. Rotate the
SUB VOL knob to adjust the audio volume of the SUB VFO. Clockwise rotation of
these VOL knobs increases the volume level. Both VOL knobs can be rotated to adjust
the relative balance of receiver audio between the two VFOs during dual reception.
2. The VR-5000 squelch system allows you to mute the receiver’s audio output when no
signals are being received. To set the squelch, turn the SQL knob fully counter- clock-
wise, then turn it clockwise just past the point where the background noise is silenced.
Do not rotate the SQL knob much beyond this threshold point; if you do, the receiver
will not respond to weak signals.
3. Rotate the TONE knob to adjust the receiver’s audio characteristics. Clockwise rota-
tion of the TONE knob emphasizes the high-frequency component. The TONE knob
affects both the MAIN and SUB VFO audio.
FREQUENCY NAVIGATION
Tuning DIAL
Rotating the DIAL knob allows tuning in the pre-programmed steps established for the
current receiving band. Clockwise rotation of the DIAL knob causes the VR-5000 to be
tuned toward a higher frequency, while counter-clockwise rotation will lower the receiv-
ing frequency.
If you press the [
F]
 key momentarily, then rotate the DIAL knob, frequency steps of 1 MHz
will be selected. This feature is extremely useful for making rapid frequency excursions
over the wide tuning range of the VR-5000. 
						

							VR-5000 OPERATING MANUAL15
Basic Operation
UP(

)
/DOWN(
)
 Tuning
Pressing the [

(
)
/(
)]
 keys allows tuning in the pre-programmed steps established
for the current receiving band. Pressing the [
(
)]
 key causes the VR-5000 to be tuned
toward a higher frequency, while pressing the [

(
)]
 key will lower the receiving frequency.
If you press the [
F]
 key momentarily, then press the [

(
)
/(
)]
 keys, frequency steps
of 10 MHz will be selected. The larger 10 MHz hops are extremely useful for making rapid
frequency excursions over the wide tuning range of the VR-5000.
Direct Keypad Frequency Entry
The desired receiving frequency may be entered directly from the keypad.
The receiving mode (FM, SSB, AM, etc.) will automatically be set once the new frequency
is entered via the keypad, based on the operating frequency you have chosen.
To enter a frequency from the keypad:
1. Enter the “MHz” portion of the frequency on which you wish to receive.
2. Enter the decimal point after the “MHz” portion by pressing the [
• (
BEEP)]
 key.
3. Enter five more digits to complete the frequency.
4. If there are “zeros” at the end of the frequency, you may press the [
ENT(
SET)]
 key
after the final non-zero digit.
Examples:
To enter 146.16250 MHz, press [
1]
 
 [
4]
 
 [
6]
 
 [
•]
 
 [
1]
 
 [
6]
 
 [
2]
 
 [
5]
 
 [
0]
To enter 950 kHz, press [
•]
 
 [
9]
 
 [
5]
 
 [
0]
 
 [
0]
 
 [
0]
To enter 445.40000 MHz, press [
4]
 
 [
4]
 
 [
5]
 
 [
•]
 
 [
4]
 
 [
ENT]
MODE SELECTION
The VR-5000 automatically selects a default receiving mode according to the frequency
band on which you are receiving. However, many bands (especially HF Short-wave) may
use a variety of transmission modes in a particular frequency segment.
If you want a change the receiving mode, press the [
MODE(
ADRS)]
 key. The receiving
modes available are:
AUTO         LSB         USB         CW
WFM         FM-N         WAM         AM         AM-N 
						

							VR-5000 OPERATING MANUAL16
CHANNEL STEP SELECTION
Operation of the VR-5000 initially is set up in the “AUTO” mode (mentioned in the previ-
ous section), whereby the reception mode (such as AM or FM) is automatically set accord-
ing to the frequency in use; at the same time, the channel steps typically used in that fre-
quency segment are also programmed automatically.
However, some frequency segments involve several different services which may use dif-
ferent channel steps. So you may wish to modify the channel steps; to do this, you must
first exit the “AUTO” mode, then select the desired steps. The procedure is:
1. Note the operating mode in which you are operating via the “AUTO” mode (for ex-
ample, FM-N).
2. Press the [
MODE(
ADRS)]
 key as many times as required to shift to the operating
mode which had been selected by the “AUTO” mode.
3. Press the [
STEP(
PLAY)]
 key as many times as required to shift to the desired channel
step selection (for example, 5 kHz).
DUAL RECEIVE
The VR-5000 provides two VFOs (MAIN VFO and SUB VFO), which operate in a  Dual
Receive configuration (simultaneous reception using both VFOs). The SUB VFO frequency
must be set within ±20 MHz of the MAIN VFO frequency (for example, if the MAIN VFO
is set to 1280.000 MHz, the SUB VFO can be set to 1260.000 ~ 1300.000 MHz). Also, the
SUB VFO may be set only AM or FM-N modes.
The MAIN VFO is the upper displayed frequency, while the SUB VFO is the lower dis-
played frequency. The relative size of the frequency displays indicates which VFO you
currently are tuning on (the larger display size indicates the “active” VFO). Independent
Volume controls are provided for each VFO; just turn the Volume down if you do not wish
to listen to communications on a particular channel.
Basic Operation
MAIN VFO SUB VFO 
						

							VR-5000 OPERATING MANUAL17
Here are some of the features available during Dual Receive operation:
Press the [
M/S(
SUB SET)]
 key momentarily to toggle the operating VFO between the
MAIN VFO and SUB VFO.
When tuning on the MAIN VFO, the SUB VFO frequency will track the MAIN VFO
(VFO Tracking feature).
To disable the VFO Tracking feature, press the [
M/S(
SUB SET)]
 key after the [
F]
 key
is pressed. Repeat the same procedure to re-enable the VFO Tracking feature again.
To disable the SUB VFO, and erase its contents, press the [
CLR(
PRI CLR)]
 key after
the [
F]
 key is pressed. Pressing the [
M/S(
SUB SET)]
 key will re-activate the SUB
VFO.  When the SUB VFO re-appears, it will have been reset to the MAIN VFO’s
frequency.
Press the [
COPY(
REC)]
 key to copy the SUB VFO’s frequency data to the MAIN
VFO.
SETTING THE CLOCK
1. Press the [
F]
 key momentarily, then press the [
ENT]
 key.
2. Rotate the DIAL knob to set the cursor to the “MISC” menu, then press the [
ENT]
 key.
3. Rotate the DIAL knob to set the cursor to the “CLOCK” menu option, then press the
[
ENT]
 key.
4. Enter the present time via the keypad.
Example 1: Set to 9:38, Press [
0]
 
 [
9]
 
 [
3]
 
 [
8]
.
Example 2: Set to 13:20, Press [
1]
 
 [
3]
 
 [
2]
 
 [
0]
.
5. Rotate the DIAL knob to set the cursor to the “END” menu option, then press the
[
ENT(
SET)]
 key.
6. Confirm that the cursor is on the “WRITE” menu option, then press the [
ENT]
 key.
7. Press the [
F]
 key momentarily, then press the press the [
4(
SPL)]
 key.
8. Rotate the DIAL knob to set the cursor to the “UTC set” menu option, then press the
[
ENT(
SET)]
 key. The World Clock and its accompanying World Atlas will appear.
9. Rotate the DIAL knob to select the desired area.
10. Press the [
F]
 key momentarily, then press the press the [
9(
TIMER)]
 key.
11. Press the [
CLR(
PRI CLR)]
 key then press the [
ENT(
SET)]
 key.
12. Setup of the clock is now complete.
Basic Operation 
						

							VR-5000 OPERATING MANUAL18
Basic Operation
RECEIVING SHORT-WAV E BROADCAST STATIONS
A special bank of prominent Short-wave Broadcast stations has been pre-programmed at
the factory, for quick tuning. Each station selection will have been programmed with four
of its most-often used frequencies, representing both night-time frequencies (generally
below 10 MHz) and day-time frequencies (generally above 10 MHz).
Of course, you are not “required” to listen just to these stations; many other stations will be
found in the frequencies adjacent to those stored in the special Short-wave Broadcast
Memory Bank. However, the pre-programmed stations will provide a “quick start” to your
Short-wave listening enjoyment!
To utilize the pre-programmed Short-wave Broadcast Memory Bank:
1. Press the [
F]
 key momentarily, then press the [
6(
S.CALL)]
 key to recall the special
Short-Wave Broadcast Station Memory Bank.
2. Press the [

(
)
/(
)]
 keys to select the desired Broadcast Station.
3. Rotate the DIAL knob to select the Broadcast Station’s frequency from among the pre-
programmed choices. At different times of the day, different frequencies will be opti-
mum for each station.
4. To exit from the special Short-wave Broadcast Station Memory Bank, press the
[
CLR(
PRI CLR)]
 key.