RBP noeen gEep
This feature emits a tone when you release the Press to talk button (PTT) same as saying
OVER at the end ofyou talk turn.
BEP Button beeps
This fuature allow you to turn offthe beeps when pressing buttons on the fuce ofthe radio
and also disables BEEPS when scrolling through the menus
TEnsmlt and Recelre PGedure
Yourtwo-way radio contains a transmitter and a receiven To control your exposure and ensure
compliance with the general population/uncontrolled environment exposure limits, always adhere
to the following procedure: . Transmit no more than 50% ofthe time.
. To receive callt release the PTT button.
; To transmit (talk), press the Push to Talk (PTT) button.
Transmitting 50% ofthe time, or lest is important beGuse the radio SeneEtes measurable RF
enerSy exposure only when transmitting (in terms of measuring standards compliance).
Radlo OpeBtlon and EME Exposure
Unauthorised antennat modifictiont or attachments could damage the radio and violate
compliance. Do NOT hold the antenna when the Edio is "lN UsE." Holding the antenna reduces
the effective Enge. Do not use the radio ifthe antenna is damaged. lf a damaged antenna makes
contact with your skin, a minor burn can result.
Electrcmatnetlc lnterterence/CompatlbllitY
Nearly every electronic device is susceptlble to electromagnetic interference (EMl). To avoid the
possibility of electromaSnetic interference and/or compatibility conflicts, turn offyour radio in any
location where posted notices instruct you to do so such as health care facilities.
AircEft
When instructed to do sq turn offyour radio when onboard an airccft. Any use ofa radio must be
in accordance with applicable regulations per airline crew lnstructions.
M€di6l Dwlc6 - PaemakeE
The Advdhced Medical Technology tusociation recommends that a minimum sepamtion of 6
inches (15cm) be maintained between a radlo and a pacemaker These recommendafions are
consistent with the independent research by and recommendations ofthe U.S. Food and Drug
AdministEtion.
People with pacemake6 should:
. ALWAYS keep the Edio more than 15cm from their pacemakerwhen the radio is turned oN
. Not carry the Edio in the breast pq{:ket (Handheld Radio}.
. Use the ear opposite the pacemakerto minimise the potential for interfurence.
. Turn the radio oFF immediately ifthere i5 any reason to suspect that interference is taking place.
Medi@l Dcvices - Hearing Aids
some radios may interfere with some hearing aids. ln the event gf such interference, you may
want to consult your hearing aid manufacturer to discuss alternatives.
other Medlcal Devices
lfyou use any other pe6onal medical device, consult the manufadurer ofyour device to
determine if it is adequately shielded from RF energy. Your physician may be able to assist you in
obtaining this information.
Genenl warnings
Keep the radio out of reach of babies and young children.
TEnsmittlng Range
The talk range will depend on your surroundings and environment it wlll be affected by
obstructions such as hills or buildings.
Don't try to use two radio units which are less than 1.5m (5 feet) apart, Otherwise, you may
experience interference. Talk range depends on the terrain. lt will be affected by concrete
structures, heavy foliage and by operating radios indooE or in vehicles.
Your DB477 is simplex 'bne way at a time". While you are speaking, you can not receive a
transmission.
Your D8477 is an open-license band. Always identify yourselfwhen transmitting on the same
channel.
IMPORTANT: aeiote transmitting on a UHt channel listen to ensure it is not already in use.
Transmitting (sendlng speech)
The unit is continuously in the Receive mode when the unit is turned ON and not transmitting.
When a signal is received on the current channel, "Rx" icon will be displayed on the LcD screen. a.
Press and hold the Pfi (Push to Talk) button to transmit your voice. The tGnsmit si8nal icon "Tx"
will display on the LCD screen. b. Hold the unit in a vertical position with the Mic (Microphone) 5
cm away from the mouth. While holding the PTT button, speak into the microphone in a normal
tone ofvoice. c. Release the PTT button when yoi have finished transmitting.
For othereto receive your transmission, they must be on the same channel as you,
Call-Rlng tone
You can use the CALL button to send a tone to other users on the same channel. To activate this
feature; a. With the unit in normal mode, press and release the CALL button. The unit will transmit
a 2-second page tone to the other unit/s set with the same channel within transmitting range.
NOTE: This fundion is only possible every 60 seconds.
RoSer geep
This is a tone which is automatically tEnsmitted whenever the PTT button is released. This alerts
the receiving party that you have ended the transmission, and you are now in receive mode.
