E-Tech IM101 User manual

FILE: IM101 service manual.doc 2006.01.10
E-TECH Co., Ltd 1/18
▶Table of Contents◀
1. Introduction
2. DescriptionofUnit
3. TechnicalSpecifications
4. Feature and operation
5. Antenna Installation

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FILE: IM101 service manual.doc 2006.01.10
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1. Introduction
IM101 has a compact size with a various features in the range of 136~174MHz.
Has a various features shown as below.
IM101 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 IM 101
Supplied
Package User manual
Items Model
Hand Microphone
Battery Cable
Pedestal
Accessories

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FILE: IM101 service manual.doc 2006.01.10
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3. Technical Specifications
3-1 General
1) Frequency range : 136~174 MHz
2) Channels : 255 Channels
3) Channel spacing : 12.5 kHz/25 kHz
4) Communication method : Simplex
5) Antenna Impedance : 50 ohm
6) Power supply voltage : DC 13.6V
7) Current Drain : When Transmitting(40W) - < 9A
When Receiving(3W) - < 1A
Transmit standby - < 150mA
8) Microphone : External Condenser Mic
9) Operating temperature range: -30 +60℃∼ ℃
10) Size : 178(W)x49(H)x195(D)
11) Weight : 1600g
3-2 Transmitter
1) PowerOutput : HIGH–40W, LOW-5W
2) Modulation : 8K50F3E/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 : -75[dBc]
8) FMHum&Noise : -40/-45[dB](HP8920A300Hz 3kHzBP∼F)
9) BAND SPREAD : 38[MHz]

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FILE: IM101 service manual.doc 2006.01.10
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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 : -70dB
5) Adjacent Channel Selectivity: -65 dB (Narrow) , -70 dB (Wide)
6)Distortion : 5%(1kHz60%)
7) Hum & Noise : -40 / -45 dB(HP8920A 300Hz 3kHz BPF)∼
8)Audiooutput : Normal3W(Max5W)
9)BANDSPREAD : 38MHz
10)Speakersize : 58*35Oval
4. Feature and Operation
EXTERNAL VIEW
12) Monitor
Key
1)POWER ON/OFF
& Volume control
7)Mic Jack &
PC-Programming
Jack
4)LCD
10)Menu Button
8)Squelch
level
6)SPEAKER
11)UP button
5)SCAN Button
3)TX POWER
HIGH
/
LOW
2) LED
9)DOWN button

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FILE: IM101 service manual.doc 2006.01.10
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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. Dimmer : Control back light
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. BACK LIGHT : Lamp is lighting when you check LCD status.
29. Reset : Radio Data Reset.
30.MIC GAIN: Mic sensitivity control
31.Vari Call :Variable Call

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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.VOX ON/OFF: Appears when VOX function is turned On.
6.SCAN: Appears when Scan function is activated.
7.SCRAMBLE: Appears while the voice scrambler function is activated.
8.TALK AROUND Indicator.
4-3 Features
1. Channel
This radio offers up to 255 channels
1). By using or 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.

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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
5. Lone work
1). to enter Menu Mode.
2) or to until
3) to select
4) or to select ON/OFF

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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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FILE: IM101 service manual.doc 2006.01.10
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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

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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
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

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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

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14. Scan
1). to enter Menu Mode.
2) or to until
3) to scan.
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

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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

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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
21. Power save
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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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. Dimmer
Back light Control
1). to enter Menu Mode.
2) or to until
3) to select
4) or to select level
5) to select

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

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28. Misscall List Delete
1). to enter Menu Mode.
2) or to until
3) to select
4) or to select ON /OFF.
5) to select
29. Radio Reset
1). to enter Menu Mode.
2) or to until
3) to select
4) or to select ON /OFF.
5) to select