Caltta DH460 User manual

DH460 Quick Start Guide
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DH460
Digital Portable Radio
Quick Start Guide

DH460 Quick Start Guide
<All rights reserved.No spreading abroad without permission of Caltta>
LEGAL INFORMATION
Copyright ©CALTTA TECHNOLOGIES CO., LTD. 2022
No part of this publication may be quoted, reproduced, translated or used in any form or by any
means, electronic or mechanical, including photocopying and microfilm, without the prior written
permission of CALTTATECHNOLOGIES CO., LTD.
Violators Will Be Prosecuted.
CALTTA TECHNOLOGIES CO., LTD. reserves the right to make modifications on typographical
errors or update specifications in this guide without prior notice.
The figures in this manual are for reference only. For the product structure and specifications of
the battery and charger, please refer to the actual product. The accessories provided with the
product may vary with product models and functions.

DH460 Quick Start Guide
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1
1 GET TO KNOW YOUR RADIO
1.1Components
No.
Item Name
No.
Item Name
1
PTT key
13
Function key1
2
Side key 1
14
Speaker
3
Side key 2
15
Top key
4
LED indicator
16
Back key
5
Antenna
17
Home key
6
Channel selection rotary knob
18
Down key
7
Power /Volume rotary knob
19
Function key3
8
Microphone
20
Function key2
9
LCD
21
Battery button

DH460 Quick Start Guide
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2
10
Up key
22
Accessory interface
11
OK/Menu key
23
Battery
12
Call/Answer key
1.2PROGRAMMABLE KEYS
To facilitate operations, your radio provides six programmable keys (Side key 1, Side key 2, Top
key, Function key 1, Function key 1 and Function key 3), and each programmable key can be
assigned with one of the following functions by the product distributor through setting shown as the
following table.
No.
Function
Description
1
None
Do not assign function
2
Keypad lock
Lock or unlock keypad quickly
3
Power level
Adjust transmit power level quickly
4
Call log
One key to enter call log menu
5
Contact
One key to enter contact menu
6
Text message
One key to enter text message
menu
7
Channel up/down
Switch channel through button
8
Scan on/off
Enable or disable scanning function
9
Squelch on/off
Enable or disable squelch function
10
Roaming on/off
Enable or disable roaming function
NOTE:
The functions of a programmable key may vary with the operation (press or press and hold). For
details, contact the local distributor.
2 STATUS INDICATOR
2.1LCD Icons
The following icons may be displayed on the LCD.
Icon Name
Icon
Status Description
Signal Strength
No signal.
The more signal bars, the stronger the signal.

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Message
You have unread message.
Message inbox is full.
Scan
Your radio is in scanning mode.
Your radio has stopped scanning.
Roaming
Your radio is in roaming mode.
Your radio has stopped roaming.
Transmit power
The transmit power of current channel is
low-power mode.
The transmit power of current channel is
high-power mode.
Battery
The longer the battery bar, the more battery
power
Speaker
The speaker is on.
2.2LED INDICATOR
Indicator
Radio Status
Solid green
Your radio is receiving voice signals.
Solid red
Your radio is transmitting voice signals.
Blinking orange
Your radio is in scanning status.
Solid orange
After a call is established, there is no voice
transmitted or received in the service channel.
You can press PTT key to speak.

DH460 Quick Start Guide
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4
3 BASIC OPERATIONS
3.1Power On/Off Your Radio
To power on your radio, rotate the Power/Volume rotary knob clockwise until a click is heard.
To power off your radio, rotate the Power/Volume rotary knob counterclockwise until a click is
heard.
3.2Turn Up/down the Volume
After powering on your radio, rotating the Power/Volume rotary knob clockwise can turn up the
volume, and rotating the Power/ Volume rotary knob counterclockwise can turn down the volume.
3.3Select a Zone
You can add channels in one zone to manage the channels efficiently. Your radio supports up to 32
zones. One zone contains up to 32 channels. After powering on radio, you can enter the zone
menu through the menu key, press up/down key to select the needed zone, and press OK key to
switch to selected zone.
3.4Select a Channel
In radio standby interface, you can rotate the Channel selection rotary knob and switch the current
working channel. Rotating clockwise can turn down the channel, and rotating counterclockwise
can turn up the channel.
3.5Lock/Unlock the Keypad
When you do not need to use the keypad, you can lock the keypad to prevent accidental operation.
You can lock or unlock the keypad in the following ways:
By programming key: If your dealer has set the keypad lock shortcut, you can press this key to
lock or unlock the keypad.
4 Call
To ensure that the called party can hear you clearly, keep the microphone 2.5 cm to 5 cm away
from your mouth when you speak.

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4.1Private Call
4.1.1 Initiate a private call
You can initiate a private call in the following ways:
Through the contact or call log
1. Press Menu key to enter into the main menu;
2. Select Contact -> Contact list, or select call log to enter the Called/Received/Missed call list;
3. Use Up/Down key to select the private call contact needed;
4. Press PTT key to initiate the private call.
Through the missed call in the prompt interface
You can press PTT key to initiate a private call through the missed call in the prompt interface.
4.1.2 Answer a private call
After receiving a private call, your radio shall establish the call automatically. After the call is
successful, your radio plays the alert tone. If there is no answer, a missed call prompt is displayed
to remind the user.
4.2Group Call
4.2.1 Initiate a group call
You can initiate a group call through one of the following ways:
•Initiate a group call to a preset group contact
In radio standby interface, press the PTT key to initiate a group call to the transmit contact preset
for the current channel.
•Initiate a group call via the group contact
1. In radio standby interface, press menu key to enter the main menu;
2. Select Contact -> Contact list, or select call log to enter the Called/Received/Missed call list;
3. Use Up/Down key to select the group call contact needed;
4. Press PTT key to initiate the group call.
4.2.2 Answer a group call
After receiving a group call, your radio shall establish the call automatically. After the call is
established successful, your radio plays the alert tone.
4.2.3 Late Entry
After the group call is established, it is allowed that the member, which has not joined the group
call, to be connected to the group call again during call communication.

DH460 Quick Start Guide
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5 The Third Party Application Notice
If you use unlicensed third party software to upgrade the radio firmware and system, there may be
security risks that the radio gets unavailable or your personal information gets revealed.
Please use online upgrade or download the official software which matches your radio model to do
upgrade.
After your radio upgrade, all your personal information may be removed, please backup personal
information before upgrade.
6 SAFETY INFORMATION
1. Please read the manual carefully before using the radio;
2. Do not put the battery or radio into fire or liquid, and do not disassemble it without permission;
3. Do not use the bulging battery;
4. It is recommended to replace the battery when it has been used for 3 years;
5. Please use the original battery, charger, antenna and other accessories, do not bend the
antenna during use;
6. Please power off the radio and do not use in flammable and explosive environment;
7. Do not use the battery to come into contact with metal, greasy and corrosive items;
8. Discarded batteries should be sorted and recycled;
9. Please protect the integrity of the seal labels in the radio, such as the labels on the screws, etc.;
7 FCC Statement
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions:
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may cause
undesired operation.
NOTE 1: This equipment has been tested and found to comply with the limits for a Class B digital
device , pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates,
uses and can radiate radio frequency energy and, if not installed and used in accordance with the
instructions, installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.

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- Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
- Consult the dealer or an experienced radio/TV technician for help.
NOTE 2:Any changes or modifications to this unit not expressly approved by the party responsible
for compliance could void the user's authority to operate the equipment.
- This radio is designed for and classified as “Occupational/Controlled 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; NOT intended for use in an General population /uncontrolled
environment.
- DO NOT operate the radio without a proper antenna attached, as this may damage the radio and
may also cause you to exceed RF exposure limits. A proper antenna is the antenna supplied with
this radio by the manufacturer or an antenna specifically authorized by the manufacturer for use
with this radio.
-DO NOT transmit for more than 50% of total radio use time, more than 50% of the time can
cause RF exposure compliance requirements to be exceeded.
- This transmitter may operate with the antenna(s) documented in this filing in Push-to-Talk and
body-worn configurations. RF exposure compliance is limited to the specific belt-clip and
accessory configurations as documented in this filing and the separation distance between user
and the device or its antenna shall be at least 2.5 cm.
CALTTATECHNOLOGIES CO., LTD.
Address:12F,Building G2, International E-City,Nanshan,Shenzhen,China,518052
After-sales Service Hotline: [phone]
Website: service.caltta.com
Privacy statement: CALTTA TECHNOLOGIES CO., LTD. is a leading provider of comprehensive
critical communication solutions, the company is committed to protecting personal data by the use
of appropriate technical and organizational measures.