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EP400 Ver. 1.0

E-TECH Co., Ltd 1/16

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Table of Contents

◀

1. Introduction

2. Description of Unit

3. Technical Specifications

4. Theory of Operation

5. Circuit Descriptions

Any changes or modifications to the equipment not expressly

approved by the party responsible for compliance could void

user

’

s authority to operate the equipment.

Содержание EP400

Страница 1: ...tion 2 Description of Unit 3 Technical Specifications 4 Theory of Operation 5 Circuit Descriptions Any changes or modifications to the equipment not expressly approved by the party responsible for com...

Страница 2: ...ersion 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...

Страница 3: ...ng 0 5W 300mA Transmit standby 60mA Receiver standby PSC MODE 50mA 9 Microphone Internal Condenser Microphone External Speaker Micro phone is available 10 Operating temperature range 30 60 11 Size 55...

Страница 4: ...0025 2 5PPM 4 SPURIOUS Rejection 70 dB 5 Adjacent Channel Selectivity 60 dB Narrow 70 dB Wide 6 Distortion 5 1 kHz 60 7 Hum Noise 40 dB HP8920A 300Hz 3kHz BPF 8 Audio output 1000 mW 9 BAND SPREAD 117M...

Страница 5: ...table 13 Rx Tone select In the menu rx dcs ctcss tone is adjustable 14 Group Defines group tone You can select tone code for group and it is used as a default value 0 9 and a b c d available And A is...

Страница 6: ...ion is activated 8 SCRAMBLE Appears while the voice scrambler function is activated 9 TALK AROUND Indicator 4 3 Features 1 Channel This radio offers up to 255 channels 1 By using button you can select...

Страница 7: ...ect 4 or to scroll list 5 to exit 4 Status call list 4 1 Making STATUS call 1 to enter Menu Mode 2 or to until 3 to select 4 or to scroll list 5 Push PTT KEY for sending message on the LCD 4 2 Make ST...

Страница 8: ...lect ON OFF 6 Tx power 1 to enter Menu Mode 2 or to until 3 to select 4 or to select HIGH LOW POWER 5 to select 7 Tx Tone Selecting Transmitting TONE CTCSS DCS 1 to enter Menu Mode 2 or to until 3 to...

Страница 9: ...select 4 or to select TONE either CTCSS or DCS 0 NON TONE 1 38 CTCSS 101 183 DCS TONE 5 to select exit 9 Group Changing GROUP Tone 1 to enter Menu Mode 2 or to until 3 to select 4 or to select scroll...

Страница 10: ...nlock 5 to select 12 Squelch level 16 level is available 0 terminate sq function 1 to enter Menu Mode 2 or to until 3 to select 4 or to the scroll list 5 to select exit 13 Auto Squelch 1 to enter Menu...

Страница 11: ...de 2 or to until 3 to select 4 or to select ON OFF 5 to select 16 Vox on off 1 to enter Menu Mode 2 or to until 3 to select 4 or to select ON OFF 5 to select 17 Vox Level 16 level is available 1 to en...

Страница 12: ...2 or to until 3 to select 4 or to select ON OFF 5 to select 19 Priority Scan 1 to enter Menu Mode 2 or to until 3 to select 4 or to select ON OFF 5 to select 20 Priority scan CH 1 to enter Menu Mode...

Страница 13: ...Menu Mode 2 or to until 3 to select 4 or to select ON OFF 5 to select 22 Talkaround 1 to enter Menu Mode 2 or to until 3 to select 4 or to select ON OFF 5 to select 23 Password 1 to enter Menu Mode 2...

Страница 14: ...KEY to change password by pushing enter KEY to change digit of password 5 Enter new password by 4 digit 25 Location Indicate where the radio is located by blinking green light every 7 seconds 1 to en...

Страница 15: ...EP400 Ver 1 0 E TECH Co Ltd 15 16 27 Status call Send 1 to enter Menu Mode 2 or to until 3 to select 4 or to select ON OFF 5 to select...