Table of Contents
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Table of Contents
Related Manuals for E-Tech EP400
Summary of Contents for E-Tech EP400
- Page 1 E-TECH Co., Ltd 1/16 ▶ 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.
- Page 2 E-TECH Co., Ltd 2/16 1. Introduction EP400 has a compact size with a various features in the range of 403~520MHz. EP400 Has a various features shown as below. EP400 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.
- Page 3 E-TECH Co., Ltd 3/16 3. Technical Specifications 3-1 General 1) Frequency range 403 ~ 520 MHz 2) Channels 255 Channels 3) Channel spacing 12.5 kHz/25 kHz 4) Communication method : Simplex 5) Antenna Impedance 50 ohm 6) Antenna Helical Antenna 7) Power supply voltage LI-1700mAh Li-Ion battery pack(Voltage: 7.4V DC)
- Page 4 E-TECH Co., Ltd 4/16 3-3 Receiver 1) Receiver Type Double Super Hetero type 2) Sensitivity -0.25uV e.m.f ( 12dB SINAD ) 3) Frequency Stability ±0.00025%(±2.5PPM) 4) SPURIOUS Rejection -70 dB 5) Adjacent Channel Selectivity: -60 dB (Narrow) , -70 dB (Wide)
- Page 5 E-TECH Co., Ltd 5/16 4-1 Features & Operation 1. Monitor Press the Monitor key momentarily to disable the Tone squelch. 2. Radio Call By using Various 5Tone, individual / Group call is available. 16 Receiving codes are available as well as open call.
- Page 6 E-TECH Co., Ltd 6/16 4-2 LCD Display and Icons 1.ANT GAZE ; Shows the received signal strength. 2.TX POWER HIGH: Indicate power level 3.KEY LOCK: Appears during key lock function is ON. 4.ALART(BEEP) ON/OFF: Appears when beep sound is turned ON.
- Page 7 E-TECH Co., Ltd 7/16 3. Contact list to enter Menu Mode. to until to select to scroll list to exit 4. Status call list 4-1. Making STATUS call to enter Menu Mode. to until to select to scroll list 5) Push PTT KEY for sending message on the LCD.
- Page 8 E-TECH Co., Ltd 8/16 5. Lone work to enter Menu Mode. to until to select to select ON/OFF 6. Tx power to enter Menu Mode. to until to select to select HIGH / LOW POWER to select 7. Tx Tone Selecting Transmitting TONE(CTCSS/DCS).
- Page 9 E-TECH Co., Ltd 9/16 8. Rx Tone Changing Receiving TONE(CTCSS/DCS). to enter Menu Mode. to until to select to select TONE either CTCSS or DCS. 0= NON TONE 1-38 CTCSS 101 – 183 DCS TONE. to select exit 9. Group Changing GROUP Tone.
- Page 10 E-TECH Co., Ltd 10/16 11. Key lock to enter Menu Mode. to until to select to select key lock /unlock. to select 12. Squelch level 16 level is available. 0 = terminate sq function to enter Menu Mode. to until...
- Page 11 E-TECH Co., Ltd 11/16 4) Push PTT for exit 15. DTMF to enter Menu Mode. to until to select to select ON /OFF. to select 16. Vox on/off to enter Menu Mode. to until to select to select ON /OFF.
- Page 12 E-TECH Co., Ltd 12/16 18. Auto Vox to enter Menu Mode. to until to select to select ON /OFF. to select 19. Priority Scan to enter Menu Mode. to until to select to select ON /OFF. to select 20. Priority scan CH to enter Menu Mode.
- Page 13 E-TECH Co., Ltd 13/16 21. Power save to enter Menu Mode. to until to select to select ON /OFF. to select 22. Talkaround to enter Menu Mode. to until to select to select ON /OFF. to select 23. Password to enter Menu Mode.
- Page 14 E-TECH Co., Ltd 14/16 24. Password CH to enter Menu Mode. to until to select 4) ---- will display on the LCD( enter old password) by pushing up and down KEY to change password. by pushing enter KEY to change digit of password.
- Page 15 E-TECH Co., Ltd 15/16 27. Status call Send to enter Menu Mode. to until to select to select ON /OFF. to select EP400 Ver. 1.0...