Please carefully open the box, and check if the accessories listed below are contained in the package. For
any missed or damaged item, please contact your local dealer for solution.
1.1 Supplied Accessories
Material Quantity
Radio 1
Charger 1
Power Adaptor 1
Battery 1
Belt Clip 1
Antenna 1
Strip 1
User Manual 1
1
Charge
Power Adapte
Batter
Antenna
BeltClipand
Hand Strap
Screws
DP405 Digital Two-way RadioUser Manual
2 Battery Information
2.1 Notice
The battery is not charged before delivery, so please charge the battery
for your first use. If the battery is not used for a long time or the battery is
used up, please charge it before use. Charge/discharge for twice or three
times alternately to achieve its optimal performance. For low battery,
please charge it or replace it.
Note:
Do not cause any short circuit on the battery or throw the battery into fire.◆
When attaching the battery to the radio for charging, please make sure the radio is powered off to guarantee ◆
it can be fully charged.
Do not leave the radio ◆or battery on the charger after it is fully charged. Unnecessary constant charging will
shorten the battery life.
Do not put the fully◆-charged battery back to the charger for
re-charging, or it may shorten the battery life.
Please try to keep the battery◆ in an indoor environment at around
25℃. The battery may get easily spoiled after being kept in the
environment below -10℃ for a long time.
In temperature higher than 35◆℃ or below -10℃, the dischargeable
power of the battery may decrease due to the physical property of
lithium battery.
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DP405 Digital Two-way RadioUser Manual
2.2 Battery Charging
(1) Plug the power adaptor in the proper socket of AC power.
(2) Plug the cable of the power adaptor at the back of the socket, and the green indicator glows.
(3) Plug the battery or radio in the charger.
(4) Make sure that the battery is in proper contact with the charger terminal, and the red indicator glows.
(5) After the battery is charged for 6 hours, the red light goes out, indicating that the battery is fully charged.
(6) When the green indicator glows, keep the battery on the charger for 1-2 hours before taking it out so as to
achieve the optimal performance.
(7) Take out the power adaptor from the socket of AC power output.
Note:
The battery is not charged before delivery from the factory, so please charge the battery before your first
use.
KirisunKB-760B lithium-ion can be used for this radio.
If the battery which is stored for over 2 months or a new battery is charged for the first time, it should be
charged repeatedly to gain full battery capacity. The battery should be at least charged once every
three months.
When the battery is fully charged or the battery power is above the level of low power alert, do not
charge the battery, or it may affect the battery life and performance. Please take out the battery from
the charger after it is fully charged.
When the radio enters the state of low voltage alarm, please charge the battery before using it and do
not force to power on the radio in case that the battery life and performance is impaired.
There is protection circuit insideKB-760B lithium battery. The power supply will be cut off in state of low
power, and when you charge it in the charger, the indicator will glow after 1-5 minutes.
3
DP405 Digital Two-way RadioUser Manual
3 Attaching the Accessories
3.1 Attaching/Detaching the Battery
◆Attaching the Battery
(1) Slightly press the top of the belt clip as shown in ①;
◆Detaching the battery
(1) For detaching the battery, please first turn off the
radio.
(2) Slide the battery latch along the direction as shown in
①to bounce the battery as shown in ②.
(3) Slide to take out the battery along the direction as
shown in ③.If there is belt clip, slightly press the belt
clip top as shown in ④ and slide the battery along the direction as shown in
③ to take out the battery.
Note:
Do not throw the battery terminals with short circuit or battery into fire.
Do not remove the battery case without permission.
3.2 Attaching/Detaching the Antenna
For attaching the antenna, put the antenna’s end with screw thread into the
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DP405 Digital Two-way RadioUser Manual
antenna port.
Turn the antenna clockwise until it is fixed.
For detaching the antenna, turn it counter-clockwise.
3.3 Attaching/Detaching the Belt Clip
Align the two screws on the belt clip with the screw holes at the back of the radio.
Use two 2.5x6.5 machine screws.
When detaching, loosen the two screws on the belt clip and remove the belt clip.
3.4 Attaching the Microphone
Open the earphone cover plate on the right and connect the
earphone cable to the port.
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DP405 Digital Two-way RadioUser Manual
4 Introduction
6
DP405 Digital Two-way RadioUser Manual
No. Part Name
1 Antenna
PTT key
2
Press this key to initiate a call and talk
Side key (programmable key)
3
This key can be set with different features by dealer. Please refer to “5 Programmable Keys”
for further details
Speaker
4
Voice Output.
Channel Knob
5
Rotate the knob to select channel 1-16.
Power/Volume Knob
Turn it clockwise to turn on the radio. For turning off the radio, turn it counter-clockwise until
6
a click is heard.
When the radio is on, rotate the knob to adjust the volume.
LED Indicator
7
Red indicator means the radio is transmitting, green means receiving and when the red
indicator flashes, it means power shortage.
Microphone
8
Voice input
External port
9
Open the cover plate and connect the external speaker and microphone
10 Belt Clip
11 Battery Latch
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DP405 Digital Two-way RadioUser Manual
5 Programmable Keys
5.1 Programmable Keys
To suit the operation habits of customer, programmable keys (side keys) are available and can be set by
dealer as shortcut key.
Note:
Short Press: press and release quickly.
Long Press: press and hold for a while (press duration can be set by programming software)
No. Programmable Feature Application
1 None No feature
2 High/Low Power Switch to high and low power
3 Monitor
If the current analogue channel has CTCSS, press this key and
switch to carrier squelch mode to cancel CTCSS; press it again to
go back to the original state.
4 Emergency
5 Emergency Exit Exits the emergency state.
Starts the emergency feature. Used for seeking help in
emergency.
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DP405 Digital Two-way RadioUser Manual
6 Squelch on/off
7 Squelch Level Adjusts the signal strength required when receiving.
8 Scan
9 Alert Tone on/off Enable/disable all the alert tones.
10 Zone Selection
11 Repeater/Talk around Enable/disable Repeater feature.
12 Nuisance Delete Deletes the channel which is useless from the scan list.
Enable/Disable squelch feature. Used for receiving the weak
signals on the analogue channel.
Enable/Disable scan feature and listens to the communication
activities on other channels.
Press this key to switch among different zones. The zones are
programmed by programming software.
5.2 LED Indication
State Operation
Glows red Transmitting
Glows green Receiving
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DP405 Digital Two-way RadioUser Manual
Flashes red Low battery
Flashes green Channels are being scanned
Flashes orange Digital call hang time and it will exit when the hang time is up
Glows orange Blank channel which is not available. Switch to other channel to exit.
Flashes red quicklyThe programming software is reading the parameters available for configuration
Flashes green
quickly
The programming software is writing the parameters which is available for
configuration into the radio.
6 Basic Operation
6.1 Power on/off the Radio
When the radio is off, rotate the power/volume knob clockwise until a click is heard to power on the radio.
When the radio is on, rotate the power/volume knob counter-clockwise until a click is heard to turn off the radio.
6.2 Selecting the Channel
When the radio is on, rotate the channel selector knob to select channels.
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DP405 Digital Two-way RadioUser Manual
6.3 Adjusting the Volume
When the radio is on, rotate the power/volume knob clockwise to increase the volume and counter-clockwise to
decrease the volume.
6.4 Initiating a Call
Press PTT button to initiate a call to the default contact on the current channel when it is digital channel. The
default contact on the current channel can be programmed by dealer.
6.5 Receiving
When the radio receives the right signal on the current channel and green LED will light.
When the current channel is digital channel and when it received private call, group call or all call, the radio will
output the voice from the channel.
When the channel is analogue channel and when it received analogue signals with CTCSS matching the one
on this channel (or there is no CTCSS set on the channel), the radio will output voice form the channel.
6.6 Replying to the Call
When the current channel is digital channel and after a call is received, press PTT button within the call hang
time to reply. If the call hang time is up, you need to initiate a call to reply. The call hang time can be set by
dealer.
When the current channel is analogue channel and after a call is received, press PTT button within the call
hang time and speak to the microphone to reply.
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DP405 Digital Two-way RadioUser Manual
7 Features and Operation
7.1 TOT (time-out-timer)
TOT prevents the user from occupying the channel for too long. If the continuous transmission exceeds the
duration set by dealer, the radio will stop transmitting and sound alarm. For stopping alarm, release PTT button.
For transmission again, please press PTT button after a certain time interval (interval set by dealer).
If the dealer set pre-alarm feature, pre-alarm will sound before TOT time is up.
7.2 Channel Scan
Channel scan searches channels with signals. When the channel scanned has signals, the radio will stay on
this channel for communication. Scan method is carrier control scan.
By pressing the Scan shortcut key, the radio can scan the scan list related to the current channel. When the
radio is in scan state, press the Scan shortcut key again to stop the scan.
7.3 Scan the Reply Messag e
When the radio is scanning, press PTT button and the radio will transmit and talk on the predefined channel.
This channel is set by dealer.
7.4 Priority Scan
When there is priority scan set in the scan list, the priority scan will be automatically enabled when the radio
starts the scan feature. The priority scan mode is cycle scan, and it scans priority channel every time when it
scans a conventional channel. For example, if there are channel 1, 2, 3, 4 in the scan list and channel 2 is
priority channel, the scan cycle will be 1->2->3->2->4->2->1.
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DP405 Digital Two-way RadioUser Manual
7.5 Kill and Unkill
If the dealer enables and sets Kill and Unkill, the radio is able to receive and decode the Kill/Unkill signals from
other radios. After being killed, the radio cannot transmit or receive any signals but activation signal. After being
activated, the radio will be back to normal state. Kill/Unkill feature is valid on digital mode.
7.6 Emergency
In state of emergency, press the Emergency shortcut key to send emergency alarm.
Emergency alarm consists of two parts: alarm type and alarm mode. Alarm mode is used to specify the
contents sent to other members in emergency. You can ask your dealer to set these parameters based on your
requirements.
For exiting emergency, press again the Emergency shortcut key.
◆Alarm Mode
Emergency Alarm: enable to send alarm and exit alarm state automatically afterwards.
Emergency Alarm + Emergency Call: after the radio sends emergency alarm, press PTT button to send
emergency call.
Emergency Alarm + Auto Background Tone: after the radio sends emergency alarm,the background tone will
be sent automatically in the way of emergency call.
◆Alarm Type
None: no alarm feature (default).
Siren Only: after the radio enters the alarm state, the siren can only sound locally and the control center will not
receive any alarm signals.
Conventional: after the radio enters alarm state, there will be light and sound alert and it can also receive
response from other members.
Secret: after the radio enters alarm state, there will be no light or sound alert, and it cannot receive response
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DP405 Digital Two-way RadioUser Manual
from other members.
Secret with Voice: after the radio enters alarm state, there will be no light or sound alert but it can receive
response from other members.
Note:
Emergency Alarm: the radio transmits non-speech signal to trigger the alarm sent from other radios.
Emergency Call: it is a call mode which is faster in occupying channel than common calls, which ensures
smooth call in emergency.
7.7 Enabling Color Code on Digital Mode
Only when both the color code and ID matches, the speaker can be turned on to receive.
Range: 0~15 (16 groups of color codes)
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DP405 Digital Two-way RadioUser Manual
8 Troubleshooting
No. Problem Cause and Solution
A. The battery is used up –charge the battery or change to
1 Failed to power on
a new battery;
B. Volume switch is faulty – repair at the specified service
station;
2
3
15
Small voice during
call
Failed to transmit
or receive
A. speaks too far from the microphone – the ideal distance:
3-10cm;
B. wrong volume setting – turn the volume knob clockwise
to increase the volume;
A. wrong channel parameters – reset the parameters and
try again;
B. the group identity for default contact is wrong – select a
right group;
C. Beyond the communication scope.
DP405 Digital Two-way RadioUser Manual
9 FCC STATEMENT
The information listed above provides the user with information needed to make him or her aware
of a RFexposure, and what to do to assure that this radio operates within the FCC exposure limits
of this radio.
The device complies with RF specifications when the device used at 25mm from your front face
and 0mm from your body, SAR compliance for body-worn operating configurations is limited to the
specific belt clip/ holster/accessories tested for this
Body-worn accessories that do not meet these requirements may
not comply with RF exposure requirements and should be avoided.
product.
Maximun SAR Value (1g): 3.53 W/Kg.
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