Caltta DH460Digital Portable Radio User Guide

Caltta DH460Digital Portable Radio

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 CALTTA TECHNOLOGIES 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.

GET TO KNOW YOUR RADIO

Components

PROGRAMMABLE 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.

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.

STATUS INDICATOR

LCD Icons
The following icons may be displayed on the LCD.

Signal Strength

| | No signal.
| The more signal bars, the stronger the signal.

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.

LED INDICATOR

transmitted or received in the service channel. You can press PTT key to speak.

BASIC OPERATIONS

• Power 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.

• Turn 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.

• Select 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.

• Select 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.

• Lock/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.

Private Call

Initiate a private call
You can initiate a private call in the following ways:

• Through the contact or call log
  • Press Menu key to enter in to the main menu;
  • Select Contact –> Contact list, or select call log to enter the Called/Received/Missed call list;
  • Use Up/Down key to select the private call contact needed;
  • 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.

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.

Group Call

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 presetfor the current channel.

• Initiate a group call via the group contact

  • In radio standby interface, press menu key to enter the main menu;
  • Select Contact –> Contact list, or select call log to enter the Called/Received/Missed call list;
  • Use Up/Down key to select the group call contact needed
  • Press PTT key to initiate the group call.

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.

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.