E-Tech IP 400 User manual

FILE: IP 400 Service manual.doc 2004.05.07
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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

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3. Technical Specifications
3-1 General
1) Frequency range : 405~490 MHz
2) Channels : 255 Channels
3) Channel spacing : 12.5 kHz/25 kHz
4) Communication method : Simplex
5) Antenna Impedance : 50 ohm
6)Antenna: Whip Antenna
7) Power supply voltage : LI-1700mAh Li-Ion battery pack(Voltage: 7.5V DC)
8) Current Drain : When Transmitting(4W)- < 2A
When Receiving(0.5W) - < 300mA
Transmitstandby - <60mA
Receiverstandby(PSCMODE)- <50mA
9) Microphone : Internal Condenser Microphone(External Speaker Micro
phoneisavailable)
10) Operating temperature range: -30 +℃～ 60℃
11) Size : 56(W)x100(H)x34(D)
12) Weight : 285g
3-2 Transmitter
1)PowerOutput: HIGH–4W,LOW-1W
2)Modulation: 8K5F3E/16K0F3E
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) SPURIOUSEmission : -36[dBm]
8) FMHum&Noise : -40[dB](HP8920A300Hz 3kHzBP～F)
9) BAND SPREAD : 85[MHz]

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3-3 Receiver
1) Receiver Type : Double Super Hetero type
2) Sensitivity : -0.25uV 이하(12dB SINAD 시)
3) Frequency Stability : ±0.00025%(±2.5PPM)
4) SPURIOUS Rejection : -70dB
5) Adjacent Channel Selectivity: -60 dB (Narrow) , -70 dB (Wide)
6)Distortion : 5%(1kHz60%)
7) Hum & Noise : -40 dB(HP8920A 300Hz 3kHz～BPF)
8) Audio output : 1000 mW
9)BANDSPREAD : 85MHz
10)Speakersize : 45pi
4. Theory of Operation
EXTERNAL VIEW
12)Antenn
4)Emergency Key
9) PTT button
10)Mic
2)Monitor Button
14)LCD
1)TX POWER
HIGH
/
LOW
3)Scan button
8)Squelch
6)Menu Button
11)POWER ON/OFF
&Volume control
13)Ear/Mic Jack
PC-Programming Jack
14)SPEAKER
5,7)Enter button

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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.

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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) to select
4) or to scroll list
5) to exit

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3. Contact list
1). to enter Menu Mode.
2) or to until
3) to select
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 STATUS Message
1) to enter Menu Mode.
2) or to until
3) to select
4) or to scroll list
5) to SELECT

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5. Lone work
1). to enter Menu Mode.
2) or to until
3) to select
4) or to select 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 select
4) or to Select TONE을either CTCSS or DCS.
0= NON TONE
1-38CTCSS
101 – 183 DCS TONE
5) to select exit

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8. Rx Tone
Changing Receiving TONE(CTCSS/DCS).
1). to enter Menu Mode.
2) or to until
3) to select
4) or to select TONE either CTCSS or DCS.
0= NON TONE
1-38CTCSS
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 list
5) to select exit
10. Beep on/off
1). to enter Menu Mode.
2) or to until
3) to select
4) or to select on off .
5) to select

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11. Key lock
1). to enter Menu Mode.
2) or to until
3) to select
4) or to select key lock /unlock.
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 Mode.
2) or to until
3) to select
4) or to select on /off .
5) to select
14. Scan
1). to enter Menu Mode.
2) or to until
3) to scan.

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4) Push PTT for exit
15. DTMF
1). to enter Menu Mode.
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 enter Menu Mode.
2) or to until
3) to select
4) or to scroll list
5) to select for exit

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18. Auto Vox
1). to enter Menu Mode.
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.
2) or to until
3) to select
4) or to scroll list
5) to select for exit

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21. Power save
1). to enter 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) or to until
3) to select
4) or to select ON /OFF.
5) to select

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24. Password CH
1). to enter Menu Mode.
2) or to until
3) 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 to until
3) to select
4) or to select ON /OFF.
5) to select
26. Scramble
1). to enter Menu Mode.
2) or to until
3) to select
4) or to select ON /OFF.
5) to select

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27. Status call Send
1). to enter Menu Mode.
2) or to until
3) to select
4) or to select ON /OFF.
5)