Yaesu Musen 10334720 HANDHELD TRANSCEIVER User Manual USERS MANUAL

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Document ID	501543
Application ID	tHjfaJMs7ByaQ88IFgSkrQ==
Document Description	USERS MANUAL
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	12.08kB (150998 bits)
Date Submitted	2004-12-28 00:00:00
Date Available	2004-12-28 00:00:00
Creation Date	2004-11-23 00:44:08
Producing Software	Acrobat Distiller 5.0.5 (Windows)
Document Lastmod	2004-12-14 09:30:59
Document Title	USERS MANUAL

FCC ID: K6610334720
IC ID: 511B-10334720
Operating Manual
VX-920/970 series Operating Manual
SAFETY TRANING INFORMATION
This Radio has been tested and complies with the Federal Communications Commission
(FCC) RF exposure limits for Occupational Use/Controlled exposure environment. In
addition, it complies with the following Standards and Guidelines:
- FCC 96-326, Guidelines for Evaluating the Environmental Effects of Radio-Frequency
Radiation.
- FCC OET Bulletin 65 Edition 97-01 (1997) Supplement C, Evaluating Compliance with
FCC Guidelines for Human Exposure to Radio Frequency Electromagnetic Fields.
- ANSI/IEEE C95.1-1992, IEEE Standard for Safety Levels with Respect to Human
Exposure to Radio Frequency Electromagnetic Fields, 3kHz to 300 GHz.
- ANSI/IEEE C95.3-1992, IEEE Recommended Practice for the Measurement of Potentially
Hazardous Electromagnetic Fields-RF and Microwave.
WARNING:
This radio generates RF electromagnetic energy during transmit mode. This radio is
designed for and classified as Occupational Use Only, meaning it must be used only
during the course of employment by individuals aware of the hazards, and the ways to
minimize such hazards. This radio is not intended for use by the General Population in an
uncontrolled environment.
CAUTION:
To ensure that your expose to RF electromagnetic energy is within the FCC allowable limits
for occupational use, always adhere to the following guidelines:
- This radio is NOT approved for use by the general population in an uncontrolled
environment. This radio is restricted to occupational use, work related operations
only where the radio operator must have the knowledge to control its RF exposure
conditions.
- When transmitting, hold the radio in a vertical position with its microphone 1 to 2
inches (2.5 to 5 cm) away from your mouth and keep the antenna at least 1 inch
(2.5cm) away from your head and body.
- The radio must be used with a maximum operating duty cycle not exceeding 50 %, in
typical Push-to-Talk (PTT) configurations.
DO NOT transmit for more than 50 % of total radio use time (50 % duty cycle).
Transmitting more than 50 % of the time can cause FCC RF exposure compliance
requirements to be exceeded.
The radio is transmitting when the red LED on the top of the radio is illuminated. You can
1/8
Vertex Standard Co., Ltd.
FCC ID: K6610334720
IC ID: 511B-10334720
Operating Manual
cause the radio to transmit by pressing the PTT button.
- DO NOT transmit when the radio is used in Body Worn configuration with the following
accessory: belt-clip.
It must be used ONLY for (1) there is a 4 cm distance from the body during transmitting,
(2) monitoring purposes, using the speaker only and (3) for carrying purposes.
- Always use VERTEX STANDARD authorized accessories.
The information listed above provides the user with the information needed to make him or
her aware of RF exposure, and what to do to assure that this radio operates with the FCC
RF exposure limits of this radio.
Electromagnetic Interference/Compatibility
During transmissions, this radio generates RF energy that can possibly cause interference
with other devices or systems. To avoid such interference, turn off the radio in areas where
signs are posted to do so.
Do not operate the transmitter in areas that are sensitive to electromagnetic radiation such
as hospitals, health care facilities, aircraft, and blasting sites.
2/8
Vertex Standard Co., Ltd.
FCC ID: K6610334720
IC ID: 511B-10334720
Operating Manual
1,Controls & Connectors
LED Indicator
Glows Green: Scan active
Blinks Green: Busy Channel (or SQL off)
Glows Red: Transmit
Blinks Red: Battery Voltage is low
Antenna Jack
PTT (Push to Talk) Switch
Monitor Button
Lamp Button
CH (Channel) Selector
VOL/PWR Knob
LCD (without VX-921/971 version)
SEL1 KEY (TOP)
SEL2 KEY (LEFT SIDE)
Toggle SW
MIC/SP Jack (External MIC/SP)
Speaker
Main Microphone
Sub Microphone (Noise Canceling Microphone)
Battery Pack Latch
16-Button DTMF Keypad (VX-929/979 version only)
4-Button DTMF Keypad (VX-924/974 version only)
3/8
Vertex Standard Co., Ltd.
FCC ID: K6610334720
IC ID: 511B-10334720
Operating Manual
2,Before You Begin
Battery Pack Installation and Removal
ˆ To install the battery, hold the transceiver with your left hand, so your palm is over the
speaker and your thumb is on the top of the belt clip. Insert the battery pack into the
battery compartment on the back of the radio while tilting the Belt Clip outward, then
close the Battery Pack Latch until it locks in place with a “Click.”
ˆ To remove the battery, turn the radio off and remove any protective cases. Open the
Battery Pack latch on the bottom of the radio, then slide the battery downward and out
from the radio while unfolding the Belt Clip.
Caution!: Do not attempt to open any of the rechargeable Li-ion packs, as they
could explode if accidentally short-circuited.
Low Battery Indication
ˆ As the battery discharges during use, the voltage gradually becomes lower. When the
battery voltage reaches 6.0 volts, substitute a freshly charged battery and recharge
the depleted pack. The TX/BUSY indicator on the top of the radio will blink red when
the battery voltage is low.
ˆ Avoid recharging Li-ion batteries often with little use between charges, as this can
degrade the charge capacity. We recommend that you carry an extra, fully charged
pack with you so the operational battery may be used until depletion (this “deep
cycling” technique promotes better long-term battery capacity).
4/8
Vertex Standard Co., Ltd.
FCC ID: K6610334720
IC ID: 511B-10334720
Operating Manual
3,Operation
Preliminary Steps
ˆ Install a charged battery pack onto the transceiver, as described previously.
ˆ Screw the supplied antenna onto the Antenna jack. Never attempt to operate this
transceiver without an antenna connected.
ˆ If you have a Speaker/Microphone, we recommend that it not be connected until you
are familiar with the basic operation of the VX-920/970.
Operation Quick Start
ˆ To turn the top panel’s VOL/PWR knob clockwise to turn on the radio on.
ˆ Pull and turn the top panel’s CH selector knob to choose the desired operating
channel. A channel number or channel name will appear on the LCD. (VX924/929/974/979 version only)
ˆ Rotate the VOL/PWR knob to set the volume level. If no signal is present, press and
hold the Monitor button (the third button on the left side) more than 2 seconds;
background noise will now be heard, and you may use this to set the VOL/PWR knob
for the desired audio level.
Press and hold the Monitor button more than 2 seconds (or press the Monitor button
twice) to quiet the noise and resume normal (quiet) monitoring.
ˆ To transmit, press and hold the PTT switch. Speak into the microphone area of the
front panel grille (center right-hand corner) in a normal voice level. To return to the
Receive mode, release the PTT switch.
ˆ Press the top panel’s SEL1 and left side panel’s SEL2 button to active one of the
preprogrammed functions that may have been enabled at the time of programming by
the dealer. See the next section for details regarding the available features.
ˆ Switch the top panel’s Toggle SW position to active one of the preprogrammed
functions which may have been enabled at the time of programming by the dealer.
There are three positions of [A (left)], [| (center)] and [B (right)] in the toggle switch.
See the next section for details regarding the available features.
ˆ Press the DTMF keys on the telephone keypad to send DTMF tones. (VX-929/979
version only)
ˆ If a Speaker/Microphone is available, remove the plastic cap and its two mounting
screws from the right side of the transceiver, then make the connector of the
Speaker/Microphone touch; secure the connector pin using the screw supplied with
5/8
Vertex Standard Co., Ltd.
FCC ID: K6610334720
IC ID: 511B-10334720
Operating Manual
the Speaker/Microphone. Hold the speaker grille up next to your ear while receiving.
To transmit, press the PTT switch on the Speaker/Microphone, just as you would on
the main transceiver’s body.
Note: Save the original plastic cap and its mounting screws. They should be reinstalled when not using the Speaker/Microphone.
6/8
Vertex Standard Co., Ltd.
FCC ID: K6610334720
IC ID: 511B-10334720
Operating Manual
4,KEY and TOGGLE Functions
VX-920/970 have the [SEL1], [SEL2], [MON], [LAMP] Key, ([A], [B], [C], [D] Key:
VX-924/929/974/979 version only) and Toggle SW. The Key and SW function can
be customized, via programmed by Vertex Standard dealer, to meet your
communications requirements. Some features may require the purchase and
installation of optional internal accessories. The possible KEY and SW
programming features are illustrated below.
[SEL1], [SEL2], [MON], [LAMP],[A], [B], [C] and [D] Key
Monitor (Generally, it sets to MON Key)
Lamp (Generally, it sets to LAMP Key)
Channel Scan
Dual Watch
High/Low Power
Talk Around
TX Save Disable
Encryption Disable (only, when using DTMF/Encryption Unit)
Follow-Me DW
Group Up
Group Down
Channel Up
Channel Down
SET Mode
Call/Reset (only, when using DTMF/Encryption Unit)
Speed Dial (only, when using DTMP/Encryption Unit)
Emergency (only, when using DTMF/Encryption Unit)
TOGGLE Switch
Channel Scan
Dual Watch
High/Low Power
Talk Around
TX Save Disable
Encryption Disable (only, when using DTMF/Encryption Unit)
Follow-Me Scan
Lock
7/8
Vertex Standard Co., Ltd.
FCC ID: K6610334720
IC ID: 511B-10334720
Operating Manual
This device complies with Part 15 of the FCC Rules.
Operation is subject to the condition that this device does not cause harmful
interference.
Part 15.21: Changes or modifications to this device not expressly approved by Vertex
Standard could void the user’s authorization to operate this device.
8/8
Vertex Standard Co., Ltd.

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