Axnes Polycon MP20-02DB-414 Installation And Operation Manual Download Page 2

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Axnes Aviation AS

Document number

Revision

Date

AX-PSB-UMAN-0027

Issue E

2015-03-05

Page ii

Revision history

Revision

Date

Description

List of effective pages

Issue A

2011-06-30

First release of Installation
and Operation manual.
Replaces Operation manual
PUBL041-00 Issue 3

New document

Issue B

2011-09-07

Edit 1.6.3. Headset interface

1-6 ,1-7,1-8

Issue C

2011-12-05

Corrected date and issue
statement on first page and
all footers

First page and all footers

Issue D

2012-07-09

Added MP20-02DB-456
Updated for SW version 3

Page 1-5
Section 2
Section 3

Issue E

2015-03-05

Document title change

Added MP20-01U in text and
removed p/n list (table 1-1).

Charge time changed to 2-3H

Interchanged TX and RX
frequencies.

Channel separation corrected
to 25KHz only.

Added colour codes.

Front page

Page 1-5

Page 1-6: Charge time

Page 1-6: Frequency
Page 1-7: UHF xx frequency

Page 1-7: Channel separation

Page 1-7: Colour

Summary of Contents for Polycon MP20-02DB-414

Page 1: ...Axnes Aviation AS Polycon MP20 Series Hand Held Radio Installation and Operation Document number AX PSB UMAN 0027 Revision Issue E Date 2015 03 05 ...

Page 2: ...sue C 2011 12 05 Corrected date and issue statement on first page and all footers First page and all footers Issue D 2012 07 09 Added MP20 02DB 456 Updated for SW version 3 Page 1 5 Section 2 Section 3 Issue E 2015 03 05 Document title change Added MP20 01U in text and removed p n list table 1 1 Charge time changed to 2 3H Interchanged TX and RX frequencies Channel separation corrected to 25KHz on...

Page 3: ...f article 1 5 1 6 Technical data 1 6 1 6 1 Operation 1 6 1 6 2 Power supply 1 6 1 6 3 Headset interface 1 6 1 6 4 Helmet headset Connectors 1 7 1 6 5 Radio characteristics 1 7 1 6 6 Dimensions 1 7 1 6 7 Material 1 7 1 7 Type approvals and records 1 8 1 7 1 Type approvals 1 8 1 7 2 Type Records 1 8 1 8 Accessories 1 8 SECTION 2 INSTALLATION 2 1 2 1 General 2 1 2 2 Inspection before installation 2 1...

Page 4: ...1 3 1 MP20 series charging 3 1 3 2 Power Up Down Sequence 3 1 3 3 Change channel 3 2 3 4 Walkie Talkie mode 3 2 3 5 Helmet Headset connection 3 2 3 6 NIVOX Push to Talk PTT Operation 3 3 3 7 Person to Person Casualty Communication mode 3 3 3 8 Display orientation 3 4 3 9 Output Power Settings 3 4 3 10 Pressure Equalizing Actuator 3 5 3 11 Default Settings 3 5 3 11 1 Select NIVOX or PTT default 3 5...

Page 5: ...Axnes Aviation AS Document number Revision Date AX PSB UMAN 0027 Issue E 2015 03 05 Page v Intentionally left blank ...

Page 6: ...ortable waterproof radio for wireless communication with the aircraft crew while operating inside or outside of the aircraft The MP20 series hand held radio can be connected to the winch man s helmet headset or used as a hand held Walkie Talkie The system provides two way voice communications between the helicopter crew and SAR winch man whilst the winch man is either outside the aircraft during w...

Page 7: ...alk hereafter named PTT button used when connected to the helmet headset as well as integral microphone and loudspeaker is located at the front of the MP20 Volume up down and walkie talkie PTT is located at the left hand side of the MP20 Charging connector is located in the bottom of the radio The mechanics are designed to withstand the robust operating environment typical demanded by winch SAR op...

Page 8: ...e 1 3 Figure 1 1 MP20 outline 1 3 Connectors and Control Functions Electrical connections to the MP20 are located on the top and bottom of the MP20 The electrical connections consist of Waterproof 10 pin Fisher connector for helmet headset connection Plate connector for charging 21 41 mm ...

Page 9: ...16 channels NIVOX Polycon patented VOX operation Conventional Voice Operated transmission VOX operates by opening transmission when input has reached a certain level over a given period of time This will normally cause clipping of the first word in the transmission and may cause difficulty in differentiating between words such as No and Go Polycon implements a Non Interrupted Voice Activated trans...

Page 10: ...r request and will be labelled MP20 00U xxx or MP20 01U xxx for single band and MP20 02DB xxx for dual band where xxx denotes the centre frequency of the antenna Note Some early units deviate from the product numbering scheme and a combination of the product number and the antenna label must be used to identify the customer configuration Note Some customer configured units deviate from the product...

Page 11: ...nds a temperature drop of at least 20 C 1 6 2 Power supply Supply voltage Battery operated at 4 8V 1460mAH NiMh Operating time 10 hours standby 8 hours receive 1 3 hours transmit 400mW Charge time 2 3 hours Charger CHG1236 M S 1 6 3 Headset interface Microphone sensitivity MP20 02DB 0 1 60mVrms 0 3 180mVpp MP20 00U 0 1 5mVrms 0 25 15mVpp MP20 00U S N 020765 020781 and after as MP20 02DB Microphone...

Page 12: ...y band 156 159 MHz only MP20 02DB series Channels 16 Channel separation 25 KHz Modulation FM Frequency stability 25 KHz 5 ppm Receiver sensitivity 0 9 μV at 12 dB SINAD single band Output power 400 mW other output power as customer configurations Deviation 5 KHz Antenna impedance 50 Ω 1 6 6 Dimensions Physical dimensions 112 x 65 5 x 35 mm Weight 395g 1 6 7 Material Material Aluminium 5052 Salt Wa...

Page 13: ...dition 2 1 2001 02 Degrees of Protection Provided by Enclosures IP code IPX7 Category 1 IEC EN 60950 1 2006 Information technology equipment Safety 1 7 2 Type Records The Design Authority will submit a Declaration of Design Performance DDP The DDP will reference the following Design Specification Equipment Specification Number and Issue Number General Assembly Drawings and Aircraft Equipment insta...

Page 14: ...Axnes Aviation AS Document number Revision Date AX PSB UMAN 0027 Issue E 2015 03 05 Page 1 9 Intentional left blank ...

Page 15: ...ing parts Dirt and scratches on the identification plate and marking Dirt bent or broken pins cracked connector inserts Missing screws or pressure relief pin 2 3 Recommended maintenance The MP20 should be serviced by an Axnes Aviation certified service centre according to the recommended maintenance schedule Recommended according to service letter published at Axnes resource website http www axnes...

Page 16: ...unction may also be corrected by switching the system OFF for a few seconds and then ON again If you have trouble making the MP20 operate and before declaring the unit unserviceable it is recommended to go through the reset procedure found in the document AX SVS PRC 0002 Reset Procedure This procedure will restore the unit to factory defaults and possibly clear any setting made accidentally causin...

Page 17: ...3 Speaker 4 Speaker 5 GND 6 Manufacturing use 7 Manufacturing use 8 Manufacturing use PTT1 9 DC out 10 Manufacturing use Table 2 1 10 Pin waterproof helmet headset connector The connector on the Polycon MP20 is Water proof Fisher 10 Pin panel mount part no AX CON 0010 alt part no DBEU1031A010 130 The compatible connector for helmet headset wiring Water proof Fisher 10 Pin plug cable mount part no ...

Page 18: ...e and exit It is recommended to note down the optimal level for future reference in the calibration parameter sheet found in Appendix A Factory squelch level Individual values normally between 18 21 NIVOX transmission from Polycon MP20 series hand held radio not triggered or triggered by noise Adjust Analogue trigger level Analogue trigger level is the level of the voice on top of the background n...

Page 19: ...es depend on the type and output of the microphone used and the noise levels in the operating environment Experience has showed that a value between 60 and 80 will work in most cases When the optimal level has been found it should be used as the new default setting It is recommended to note down the optimal level for future reference in the calibration parameter sheet found in Appendix A Factory s...

Page 20: ...Axnes Aviation AS Document number Revision Date AX PSB UMAN 0027 Issue E 2015 03 05 Page 2 6 Intentionally left blank ...

Page 21: ... has been in the charger for a few minutes Please do so by lifting the unit out of the charger and putting it back in again to ensure a correct charge cycle 3 2 Power Up Down Sequence Power ON OFF and Volume is controlled by two buttons located on the side of the cabinet The upper button controls the ON and Volume UP functions while the lower button controls the OFF and Volume DOWN functions To tu...

Page 22: ...ith software version 3 04 or higher will indicate VHF channel by an illuminated dot in the display 3 4 Walkie Talkie mode When no headset is connected to the MP20 the unit can be operated in Walkie Talkie mode In this mode the internal microphone and loudspeaker is utilised and the transmission is controlled by the side PTT button 3 5 Helmet Headset connection Connect the helmet headset to the 10 ...

Page 23: ...ated in the display with PP and the second will set the MP20 back to NIVOX indicated in the display with in standby or oo if transmission is triggered When default mode is set to PTT NIVOX can be activated by press and hold side PTT button and Front PTT button simultaneously for about 5 seconds until a short beep is being heard Disconnecting and re connecting the headset will set the MP20 back to ...

Page 24: ...Output Power Settings The Polycon MP20 has a standard power output at about 300mW When the battery is discharged the output power may be reduced single band only and to manually compensate for this there is an option to enable an emergency full power output setting to ensure maximum range at the end of battery charge cycle Emergency power is entered in menu mode by pressing channel up and volume d...

Page 25: ...lt 19 Power on volume Factory default 4 not changeable in field NIVOX PTT mode Factory default NIVOX Analogue level Factory default 78 Changing the defaults is described in the following 3 11 1 Select NIVOX or PTT default7 When a helmet headset is connected to the MP20 the mode of operation will be activated according to a default setting To select PTT as default configuration when a helmet headse...

Page 26: ... The display will show either On or OF indicating the AGC status It is not recommended to turn AGC off Note1 Please note that each time you actuate the buttons to check the AGC setting you toggle the setting on or off Note2 Experience shows that toggling AGC on off may happen inadvertently It is therefore strongly recommended that the users of the equipment know how to check the AGC status to secu...

Page 27: ...played as AL Select option AL the display will change to display the value of the set analogue level The analogue level can be adjusted by using the Vol up down buttons to set as required When optimal level is found press the side PTT button to save and exit The standard factory setting is 78 but the optimal setting will depend on the type and output of the microphone used and the noise levels in ...

Page 28: ...Axnes Aviation AS Document number Revision Date AX PSB UMAN 0027 Issue E 2015 03 05 Page 3 8 Intentionally left blank ...

Page 29: ...on process Some parameters are possible to change in the field and are described further in the table below Changes to parameters should only be done by qualified personnel only Aircraft _ MP20 serial number _ Parameter Description Factory setting Customer calibration Squelch Squelch setting for receiver 0 99 18 21 AGC Automatic Gain Control Automatic gain control on off AGC on ensures optimal per...

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