E-Tech IP 400 - User Manual

FILE: IP 400 Service manual.doc 2004.05.07
E-TECH Co., Ltd 2/18
1. Introduction
IP 400 has a compact size with a various features in the range of 405~490MHz. IP 400
Has a various features shown as below.
IP 400 constructed with a microprocessor controlled, temperature compensated Phase Locked
Loop(PLL) frequency synthesizer. The radio features a double conversion receiver and a direct FM
transmitter modulator. A special integrated circuit provides support to sub-audible signaling(CTCSS & DCS)
and most of the receiving parts are switched off periodically in the power save mode to reduce battery current
drain during standby.
2. Description of Unit
Items Model
Radio IP 400
Antenna IA-444
1700mAh Li-Ion battery pack BL 1700
Desktop rapid charter IC-170
Adaptor
Supplied
Package
User manual
Items Model
External / Speaker Microphone ES-1
Earpiece Microphone EP-1
Earpiece VOX Microphone EV-1
Accessories
VOX & PTT Headset VP-1

Summary

Introduction and Unit Description

Technical Specifications

General Specifications

Details general technical parameters including frequency range, channels, power supply, and dimensions.

Transmitter Specifications

Outlines transmitter performance details such as power output, modulation, and frequency stability.

Receiver and Theory of Operation

Receiver Specifications

Details receiver performance, including type, sensitivity, spurious rejection, and audio output.

External Unit View

Illustrates the external components and controls of the radio unit.

Radio Features and Operation

Key Features and Operation

Describes core radio functions like Monitor, Radio Call, Missed Calls List, and Contact List.

LCD Display Icons

Explains the various icons and indicators displayed on the radio's LCD screen.

Operational Features Overview

Details specific features like Channel selection, Missed Calls List, and Status Call List.

Contact List Functionality

Explains how to access and use the radio's contact list for calls and programming.

Status Call and Message Handling

Details how to make status calls and manage status messages.

Lone Work Mode

Describes the Lone Work feature, enabling or disabling it and setting its operational parameters.

Transmit Power Adjustment

Explains how to select and adjust the transmit power between HIGH and LOW settings.

Transmit Tone (CTCSS;DCS) Selection

Details the process for selecting transmitting tones, including CTCSS and DCS options.

Receive Tone (CTCSS;DCS) Configuration

Guides on changing the receiving tones, specifying CTCSS and DCS options.

Group Tone Settings

Explains how to change and set the Group Tone for communication.

Beep Sound Control

Describes how to enable or disable the beep sound for radio operations.

Key Lock Function

Details how to lock and unlock the radio's keys to prevent accidental operation.

Squelch Level Adjustment

Explains how to set the squelch level, including the option to terminate squelch function.

Auto Squelch Configuration

Describes how to enable or disable the auto squelch feature.

Scan Functionality

Details how to initiate and use the scan function to monitor channels.

DTMF Tone Operation

Explains how to enable or disable the DTMF tone function.

VOX (Voice Activated Transmission)

Describes how to enable/disable VOX and adjust its sensitivity level.

Auto VOX Configuration

Explains how to enable or disable the auto VOX feature.

Priority Scan Settings

Details how to enable or disable priority scan and scan specific channels.

Power Save Mode

Describes how to enable or disable the power save mode to conserve battery.

Talkaround Feature

Explains how to enable or disable the talkaround feature.

Password Protection

Details how to set and manage a password for radio security.

Location Indication

Explains how the radio indicates its location via a blinking green light.

Scramble Function

Describes how to enable or disable the voice scramble function for secure communication.

Status Call Send

Explains how to send a status call and enable/disable the function.

Overview

1. Function Description
2. Important Technical Specifications
3. General
4. Transmitter
5. Receiver
6. Usage Features
7. Controls and Indicators
8. LCD Display Icons
9. Operational Features
10. Maintenance Features

This document describes the E-TECH Co., Ltd IP 400 radio, a compact communication device with a frequency range of 405-490MHz.

Function Description

The IP 400 is a microprocessor-controlled radio featuring a temperature-compensated Phase Locked Loop (PLL) frequency synthesizer. It incorporates a double conversion receiver and a direct FM transmitter modulator. A specialized integrated circuit supports sub-audible signaling (CTCSS & DCS). To conserve battery life during standby, most receiving components are periodically switched off in power save mode.

Important Technical Specifications

General:

• Frequency Range: 405-490 MHz
• Channels: 255 Channels
• Channel Spacing: 12.5 kHz/25 kHz
• Communication Method: Simplex
• Antenna Impedance: 50 ohm
• Antenna Type: Whip Antenna
• Power Supply Voltage: LI-1700mAh Li-Ion battery pack (Voltage: 7.5V DC)
• Current Drain:
  • Transmitting (4W): < 2A
  • Receiving (0.5W): < 300mA
  • Transmit Standby: < 60mA
  • Receiver Standby (PSC MODE): < 50mA
• Microphone: Internal Condenser Microphone (External Speaker Microphone is available)
• Operating Temperature Range: -30°C to +60°C
• Size: 56(W)x100(H)x34(D) mm
• Weight: 285g

Transmitter:

• Power Output: HIGH - 4W, LOW - 1W
• Modulation: 8K5F3E/16K0F3E
• Oscillator Method: PLL
• Frequency Stability: less than ±0.00025% (±2.5PPM)
• Maximum Frequency Deviation: ±2.5 kHz (Narrow)/ ±5 kHz (Wide)
• Audio Distortion: less than 5% (1 kHz 60%)
• SPURIOUS Emission: -36 [dBm]
• FM Hum & Noise: -40 [dB] (HP8920A 300Hz ~ 3kHz BPF)
• BAND SPREAD: 85 [MHz]

Receiver:

• Receiver Type: Double Super Hetero type
• Sensitivity: -0.25uV or less (at 12dB SINAD)
• Frequency Stability: ±0.00025% (±2.5PPM)
• SPURIOUS Rejection: -70 dB
• Adjacent Channel Selectivity: -60 dB (Narrow), -70 dB (Wide)
• Distortion: 5% (1 kHz 60%)
• Hum & Noise: -40 dB (HP8920A 300Hz ~ 3kHz BPF)
• Audio Output: 1000 mW
• BAND SPREAD: 85MHz
• Speaker Size: 45 pi

Usage Features

The IP 400 offers a range of features accessible through its menu system and physical controls:

Controls and Indicators:

• Antenna
• Emergency Key
• POWER ON/OFF & Volume control
• Ear/Mic Jack, PC-Programming Jack
• LCD Display
• Menu Button
• Squelch
• Mic
• Speaker
• TX POWER HIGH/LOW button
• Monitor Button
• Scan button
• Enter button
• PTT button

LCD Display Icons:

• ANT GAZE: Shows received signal strength.
• TX POWER HIGH: Indicates high power level.
• KEY LOCK: Appears when key lock function is ON.
• ALART (BEEP) ON/OFF: Appears when beep sound is ON.
• Battery level indicator: Indicates remaining battery power.
• VOX ON/OFF: Appears when VOX function is ON.
• SCAN: Appears when Scan function is activated.
• SCRAMBLE: Appears while the voice scrambler function is activated.
• TALK AROUND Indicator.

Operational Features:

• Monitor: Temporarily disables Tone squelch.
• Radio Call: Supports various 5Tone, individual, and group calls. 16 receiving codes are available, as well as open call.
• Missed Calls List: Stores up to 16 missed calls. If the same radio calls multiple times, only the most recent call is stored. The oldest call may be overwritten if the list is full, depending on programming.
• Contact List: Provides access to up to 16 preprogrammed numbers via the menu during a call.
• Status List: Contains up to 30 entries for transmitting prearranged messages (e.g., "status 05" for "launch").
• Channel Selection: Offers 255 channels, selectable using the up/down buttons.
• Scan ON/OFF: Activates or deactivates the scan function.
• Power Level: Adjustable for each channel (HIGH/LOW).
• Talkaround ON/OFF: Enables or disables talkaround mode.
• Emergency Function.
• Lone Worker Function.
• Tx Tone Select: Adjustable transmit DCS/CTCSS tone in the menu (0=NON TONE, 1-38 CTCSS, 101-183 DCS TONE).
• Rx Tone Select: Adjustable receive DCS/CTCSS tone in the menu (0=NON TONE, 1-38 CTCSS, 101-183 DCS TONE).
• Group: Defines a group tone, selectable from 0-9 and a, b, c, d, with "A" as a basic value.
• BEEP ON/OFF: Controls the beep sound.
• KEY LOCK: Locks/unlocks buttons.
• SQUELCH: 16 adjustable squelch levels (0 = terminate squelch function).
• AUTO SQUELCH: Automatically adjusts squelch level based on surroundings.
• DTMF ON/OFF: Enables or disables DTMF function.
• VOX: VOX level is adjustable using up/down buttons.
• AUTO VOX: Automatically adjusts VOX level based on surroundings.
• P-SCAN (Priority Scan): Scans for priority channels.
• POWER SAVE: Activates power save mode.
• PASS WORD: Provides security for the radio.
• LOCATION INDICATE: Indicates the radio's location by blinking a green light every 7 seconds.
• SCRAMBLE: Internal Voice Scrambler is available.
• STUN / UNSTUN: A security feature to prevent abuse of the radio system.
• BACKLIGHT: Illuminates the LCD when checking its status.

Maintenance Features

The document mentions a "FILE: IP 400 Service manual.doc", indicating that a service manual exists for maintenance purposes. While specific maintenance features are not detailed in the provided excerpts, the inclusion of a PC-Programming Jack suggests that the device can be connected to a computer for configuration, diagnostics, and potentially firmware updates. The ability to adjust various parameters like frequency stability, power output, and squelch levels through software or menu options implies a degree of user or technician-level adjustability for optimal performance.

E-Tech IP 400 Specifications

General

Brand	E-Tech
Model	IP 400
Category	Radio
Language	English