E TECH EP400 FM Handheld Transceiver (UHF) User Manual 1 5 IP400 service manual

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Document ID	865185
Application ID	DKe1uko4pjjASu6u2PcD4g==
Document Description	Users Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	42.79kB (534817 bits)
Date Submitted	2007-11-07 00:00:00
Date Available	2007-11-07 00:00:00
Creation Date	2007-10-10 11:31:44
Producing Software	Acrobat Distiller 7.0 (Windows)
Document Lastmod	2007-10-10 11:31:44
Document Title	Microsoft Word - 1~5.IP400 service manual.doc
Document Creator	PScript5.dll Version 5.2.2
Document Author:	james_kwon

E-TECH Co., Ltd
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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.
EP400
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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. 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
EP400
Antenna
Supplied
1700mAh Li-Ion battery pack
Package
Desktop rapid charter
Adaptor
User manual
Items
Model
External / Speaker Microphone
Accessories
Earpiece Microphone
Earpiece VOX Microphone
VOX & PTT Headset
EP400
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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)
Helical Antenna
Antenna
7) Power supply voltage
8) Current Drain
LI-1700mAh Li-Ion battery pack(Voltage: 7.4V DC)
When Transmitting(5W)
When Receiving(0.5W)
Transmit standby
Receiver standby(PSC MODE) 9) Microphone
< 2A
< 300mA
< 60mA
< 50mA
Internal Condenser Microphone(External Speaker Micro
phone is available)
10) Operating temperature range:
11)
Size
12) Weight
-30℃ ∼ +60℃
55(W)x114(H)x30(D)
300g
3-2 Transmitter
1)
Power Output
HIGH – 4W, LOW - 1W
2)
Modulation
8K5OF3E/16KOF3E
3) Oscillator method
PLL
4) Frequency Stability
less than ±0.00025% (±2.5PPM)
5) Maximum frequency deviation: ±2.5 kHz(Narrow)/ ±5 kHz(Wide)
6) Audio Distortion
less than 5% (1 kHz 60%)
7)
SPURIOUS Emission
-36 [dBm]
8)
FM Hum & Noise
-40 [dB] (HP8920A 300Hz ∼ 3kHz BPF)
117 [MHz]
9) BAND
EP400
SPREAD
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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
5) Adjacent Channel Selectivity:
-70 dB
-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
117MHz
10) Speaker size
45 pi
4. Theory of Operation
EXTERNAL VIEW
4)Emergency Key
Antenna
Power ON / OFF
Speaker
PTT
Ear/Mic jack
Monitor Button
LCD
KEY PAD
EP400
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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.
3. Missed calls list
16 Missed calls can be listed. If a call remains unanswered, the call will be stored
by the radio.
4. contact list
During a call, the contact list may be used to give access to up to 16 preprogrammed
numbers accessed via the menu.
5. status list
A status is a code for transmitting prearranged messages, e.g. status “05” may indicate
“launch”. Status list contains up to 30 entries.
6. Channel : 255 channel
7. Scan ON/off
8. Power level : Power level is adjustable in each channel respectively.
9. Talkaround on/off
10. Emergency :
11. Lone Worker
12. Tx Tone select : In the menu, tx dcs /ctcss tone is adjustable.
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 used as a basic value..
15. BEEP ON/OFF : BEEP sound ON/OFF.
16. KEY LOCK : LOCK/UNLOCK Button KEY.
17. SQUELCH : Squelch level is adjustable
18. AUTO SQUELCH : Squelch level is adjustable automatically by surroundings.
19. DTMF ON/OFF : DTMF function is available.
20. VOX : VOX LEVEL is adjustable by pushing up and down button.
21. AUTO VOX : VOX level is adjustable automatically by surroundings.
22. P - SCAN : Priority Scan
23. POWER SAVE : Power save mode is available.
24. PASS WORD : This function is useful for security reason.
25. LOCATION INDICATE : Indicate where the radio is located by blinking green light every 7 seconds.
26. SCRMABLE : Internal Voice Scrambler is available.
27. STUN / UNSTUN : For added security and to avoid abuse of the radio system in which you operate
a feature known as Stun/Unstun is included in your radio.
28. BACKLIGHT : Lamp is lighting when you check LCD status.
EP400
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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.
5.Battery level indicator: Indicates reaming battery power.
6.VOX ON/OFF: Appears when VOX function is turned On.
7.SCAN: Appears when Scan function 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 the desired channel.
2. Missed calls list
Up to 16 calls can be stored.
If the same radio calls more than once, only the most recent call is stored.
When fifteen calls have been stored by the radio, depending on the radio programming the sixteenth call
received may overwrite the first or not be stored by the radio.
1).
to enter Menu Mode.
2) Display shows
3)
4)
5)
EP400
to select
or
to scroll list
to exit
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3. Contact list
1).
to enter Menu Mode.
2)
or
3)
4)
5)
to until
to select
or
to scroll list
to exit
4. Status call list
4-1. Making STATUS call
1)
to enter Menu Mode.
2)
or
3)
4)
to until
to select
or
to scroll list
5) Push PTT KEY for sending message on the LCD.
4-2 Make STATUS Message
1)
to enter Menu Mode.
2)
or
3)
4)
5)
EP400
to until
to select
or
to scroll list
to SELECT
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5. Lone work
1).
to enter Menu Mode.
2)
or
3)
to until
to select
or
4)
to
select
ON/OFF
6. Tx power
1).
to enter Menu Mode.
2)
or
3)
to until
to select
or
4)
5)
to
select HIGH / LOW POWER
to select
7. Tx Tone
Selecting Transmitting TONE(CTCSS/DCS).
1).
to enter Menu Mode.
2)
or
3)
4)
to until
to select
or
to Select TONE을 either CTCSS or DCS.
0= NON TONE
1-38 CTCSS
101 – 183 DCS TONE
5)
EP400
to select exit
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8. Rx Tone
Changing Receiving TONE(CTCSS/DCS).
1).
to enter Menu Mode.
2)
or
3)
to until
to select
4)
or
to select TONE either CTCSS or DCS.
0= NON TONE
1-38 CTCSS
101 – 183 DCS TONE.
to select exit
5)
9. Group
Changing GROUP Tone.
1).
to enter Menu Mode.
2)
or
3)
to select
or
4)
5)
to until
to select scroll list
to select exit
10. Beep on/off
1).
to enter Menu Mode.
2)
or
3)
4)
5)
EP400
to until
to select
or
to select on off .
to select
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11. Key lock
1).
to enter Menu Mode.
2)
or
3)
to until
to select
4)
or
5)
to
select key lock /unlock.
to select
12. Squelch level
16 level is available. 0 = terminate sq function
1).
to enter Menu Mode.
2)
or
3)
4)
5)
to until
to select
or
to the scroll list
to select exit
13. Auto Squelch
1).
to enter Menu Mode.
2)
or
3)
4)
5)
to until
to select
or
to
select on /off .
to select
14. Scan
1).
to enter Menu Mode.
2)
or
3)
EP400
to until
to scan.
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4) Push PTT for exit
15. DTMF
1).
to enter Menu Mode.
2)
or
3)
to until
to select
or
4)
5)
to
select ON /OFF.
to select
16. Vox on/off
1).
to enter Menu Mode.
2)
or
3)
to until
to select
or
4)
5)
to
select ON /OFF.
to select
17. Vox Level
16 level is available..
1).
to enter Menu Mode.
2)
or
3)
4)
5)
EP400
to until
to select
or
to select
to scroll list
for exit
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18. Auto Vox
1).
to enter Menu Mode.
2)
or
3)
4)
5)
to until
to select
or
to
select ON /OFF.
to select
19. Priority Scan
1).
to enter Menu Mode.
2)
or
3)
4)
5)
to until
to select
or
to
select ON /OFF.
to select
20. Priority scan CH
1).
to enter Menu Mode.
2)
or
3)
4)
5)
EP400
to until
to select
or
to scroll list
to select for exit
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21. Power save
1).
to enter Menu Mode.
2)
or
3)
to select
or
4)
5)
to until
to
select ON /OFF.
to select
22. Talkaround
1).
to enter Menu Mode.
2)
or
3)
4)
5)
to until
to select
or
to
select ON /OFF.
to select
23. Password
1).
to enter Menu Mode.
2)
or
3)
4)
5)
EP400
to until
to select
or
to
select ON /OFF.
to select
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24. Password CH
1).
to enter Menu Mode.
2)
or
3)
to until
to select
4) ---- will display on the LCD( enter old password)
or
by pushing up and down 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 enter Menu Mode.
2)
or
3)
4)
5)
to until
to select
or
to
select ON /OFF.
to select
26. Scramble
1).
to enter Menu Mode.
2)
or
3)
4)
5)
EP400
to until
to select
or
to
select ON /OFF.
to select
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27. Status call Send
1).
to enter Menu Mode.
2)
or
3)
4)
5)
EP400
to until
to select
or
to
select ON /OFF.
to select
Ver. 1.0

---

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Modify Date                     : 2007:10:10 11:31:44+09:00
Create Date                     : 2007:10:10 11:31:44+09:00
Format                          : application/pdf
Title                           : Microsoft Word - 1~5.IP400 service manual.doc
Creator                         : james_kwon
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Author                          : james_kwon

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