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TQ AirPlus 100 KRT2 Series User & Installation Manual Download Page 14

 

User & Installation manual 

VHF- Communication Transceiver 

 

Doc.-Nr.: 
DE-3000-800100e 

 

KRT2, KRT2M, KRT2RC

 

Revision  13.0 

Jul. 2016 

 

14   /   67 

 

Button 

Function 

Usage 

 

ON / OFF

 

Self-locking switch

 

 

DUAL WATCH

 

1. Scanning between the Active and 

Standby frequencies 

2. Positioning cursor to the left when 

programming the station identifier 

 

AUDIO 

SELECT

 

1. Stepping through the audio menus 

VOL SQ VOX TX INT EXT DIM CON 
SIT and MIC 

2. Positioning cursor to the right when 

programming the station identifier 

 

FAVORITES

 

1.  Frequency and identifier selection 

from the favorites list 

2.  Programming of favorites (frequency 

and identifier)

 

 

EXCHANGE

 

Exchange of the  
Active and Standby 
frequencies 

 

TURNING 

KNOB

 

Pressing for Selection of the frequency 
range to:   MHz, 100kHz, 10kHz  
Toggles between frequency and identifier 
when programming the favorites 

Sets all variable values in any menu 

1.  Volume setting of headsets and 

speakers 

 
2.  MHz/kHz selection of the standby 

frequency in 3 different ranges 

 

3.  Favorite selection 

 

4.  Alpha character selection when 

programming favorites 

 

5. 

Change of microphone settings

 

Figure 4: KRT2 Controls 

Summary of Contents for AirPlus 100 KRT2 Series

Page 1: ...n Transceiver Doc Nr DE 3000 800100e KRT2 KRT2M KRT2RC Revision 13 0 Jul 2016 1 67 KRT2 KRT2 Mini KRT2RC VHF Communication Transceiver P N 100 0XXX KRT2 P N 100 1XXX KRT2MH P N 100 2XXX KRT2MV P N 110...

Page 2: ...2013 Text corrections new cable drawings 9 4 Okt 2013 Text corrections 9 5 Nov 2013 New favorites management 9 6 Mai 2014 Menu limitation PTT Mic assignment Installation limitations Text corrections M...

Page 3: ...Jul 2016 3 67 List of Service Bulletins SB Service Bulletins have to be inserted in the manual and entered in the table SB Number Rev No Date Issued Date Inserted Name Unit overview Item No Product O...

Page 4: ...vorites List 20 4 3 3 Storing and Editing Favorites 20 4 4 AUD Audio Menu 23 4 4 1 VOL Volume 23 4 4 2 SQ Squelch 23 4 4 3 VOX Intercom Voice Trigger Level Setting 24 4 4 4 Manual Intercom 24 4 4 5 TX...

Page 5: ...8 4 Wiring Diagram 49 6 8 4 1 Two place motor aircraft connection 49 6 8 4 2 Glider two place connection 50 6 8 4 3 Glider single 51 6 8 4 4 Motor glider single 52 6 8 4 5 Motor glider dual Dynamic Mi...

Page 6: ...2 Menu Lock 30 Figure 9 KRT2 Active Standby frequencies 32 Figure 10 KRT2 TX RX operations 33 Figure 11 Telecommunication data 40 Figure 12 Small parts 40 Figure 13 Head sets 43 Figure 14 Connector pi...

Page 7: ...ains information about the physical mechanical and electrical properties as well as a description for the operation and installation of the VHF airborne transceiver KRT2 1 1 Symbols WARNING Non compli...

Page 8: ...Check DC source DIM Dimming Display brightness setting EXT External audio input External Audio input level setting INT Intercom level Intercom volume level setting PTT Push to Talk Transmitter activat...

Page 9: ...eciated at info dittel tq group com Information concerning software updates is available under support krt tq group com 1 4 KRT2 Transceiver properties VHF airborne transceiver Frequency range 118 000...

Page 10: ...E TSO standards E TSO articles must have separate approval for installation in aircraft 2 1 Installation For installation hints data electrical connections and mounting instructions please see section...

Page 11: ...e Identification In accordance with EASA regulations the goal is a safety objective for the VHF COM radio in the KRT 2 VHF Communication Transceiver System of 1 x 10E 4 per flight hour for Class I Air...

Page 12: ...User Installation manual VHF Communication Transceiver Doc Nr DE 3000 800100e KRT2 KRT2M KRT2RC Revision 13 0 Jul 2016 12 67 3 CONTROL general 3 1 Control Elements Overview Figure 2 KRT2 Front view...

Page 13: ...sion 13 0 Jul 2016 13 67 Figure 3 KRT2Mini Front view All functions and performances of the normal size unit 57mm round and the Portrait format Mini are identical The only differences are the text are...

Page 14: ...programming the station identifier FAVORITES 1 Frequency and identifier selection from the favorites list 2 Programming of favorites frequency and identifier EXCHANGE Exchange of the Active and Standb...

Page 15: ...t VOL Receiver volume level default after a certain time delay When AUD is pressed the corresponding Audio Menu item and setting is displayed DUAL Active frequency AND Standby Frequency are monitored...

Page 16: ...ercom switch active MUC IN Standby frequency station identifier Displayed when frequency and identifier are stored in the favorite list Figure 5 KRT2 Display 3 3 Menu levels Displayed Signification Re...

Page 17: ...ation limited Return the transceiver for maintenance Er_FPA Internal error unit not usable Return the transceiver for maintenance Er_I2C Internal error unit not usable Return the transceiver for maint...

Page 18: ...ting mode can be left by pressing the AUD FREQ or MEMORY button When not in the normal mode and there is no pilot action for more than 10 seconds the unit returns to the normal mode 4 2 ON OFF Switchi...

Page 19: ...The selected range is highlighted and can be changed with the FREQ button Frequency ranges are 1xx nnn 1nn xnn 1nn nxx Press the FREQ button once or several times until the desired frequency range is...

Page 20: ...e 4 3 3 Storing and Editing Favorites To exit this menu press the key The selection procedure can be terminated with either the AUD or FREQ buttons Without pressing any of these buttons the unit will...

Page 21: ...t input procedure to edit the frequency see 4 3 1 Direct Frequency Selection To quite the frequency input press the MEMORY button again in order to go to the station identifier window for editing the...

Page 22: ...MEM button is pressed at the time RUN nn is displayed the sorting procedure is terminated The favorite list is then partially sorted and the transceiver resumes its normal operating mode Example 1 But...

Page 23: ...ill result in the VOLnn being displayed Audio Menu items can be accessed in the following order by repeatedly pressing the AUD button VOL default SQ VOX TXm INT EXT DIM BATtst SIT MIC Audio menu items...

Page 24: ...m The intercom voice trigger level must be set to a value which prevents normal cockpit noise from being heard in the earphones The intercom system should only be activated when talking at a normal vo...

Page 25: ...On transmission the microphone which is related to the PTT L R will be enabled The equivalent indication is TX or TX1 TX2 On transmission the PTT L R related microphone will be the only one activated...

Page 26: ...Brightness Pressing the AUD button six times enables the turning knob to set the display brightness DIMnn Range 01 16 The display consumption at 12V is 70mA max and 10mA min In addition the battery vo...

Page 27: ...a service mode and it is not designed for normal operation Each of the two microphone input channels can be configured individually which enables different microphone types to be used A maximum of two...

Page 28: ...then be at about 50 Special hint During MIC Setup activation the speaker state will be taken into account SQU on off if the state is active an acoustic feet back may be heard The range of the MIC leve...

Page 29: ...annel is unaffected When returning to the standard configuration the original L and R values are restored A simultaneous operation on Electret and Dynamic microphones is not possible there is just one...

Page 30: ...ne has been recognized and activated after transmission In that case the intercom voice triggering level VOX is set to 10 switched off To reactivate the intercom after a microphone change a short pres...

Page 31: ...There must be radio noise suppression in order to recognize reception The squelch level SQ must be set to 2 or higher When DUAL watch is activated DUAL is displayed on the lowest line The pointer nex...

Page 32: ...ged when in the DUAL mode The transmitter operates on the Active frequency only Summary Select the Standby frequency to be monitored in addition to the active frequency With the AUD button and turning...

Page 33: ...ilable on gliders when no earphones are in use In order to avoid the blocking off of the frequency by unintentional long transmissions stuck microphone the transmitter is switched off after two minute...

Page 34: ...5 TXm PTT Switch Selection 4 6 2 Self Test monitor Software diagnostics operate continuously in the background in order to test the system The field for battery status error see Control Elements Over...

Page 35: ...ers where headsets are generally not worn and thus no side tone is heard it is very helpful to see if the microphone is operating properly At left lower side there is a modulation indicator that depic...

Page 36: ...g to the factory settings takes place When resetting is completed DONE is displayed 4 8 SET UP Menu During power up the MEM button must be pressed The message protect mode is displayed just wait until...

Page 37: ...starts after the button has been pressed again This procedure may last a few minutes during which time the message ERASING is displayed All INFO frequencies and identifiers that were stored on deliver...

Page 38: ...R_Time Time out transmission error R_ChkS Checksum error R_Cmd Unknown command R_Char Data error R_Freq Wrong Frequency The error message disappears when a valid command or a new frequency has been i...

Page 39: ...um performance standards Those installing this article on or in a specific type or class of aircraft must determine that the aircraft installation conditions are within the ETSO TSO standards ETSO TSO...

Page 40: ...1O 10058303 Part Number P N 100 0XXX XXX KRT2 P N 110 XXXX XXX KRT2RC P N 100 1XXX XXX KRT2MH P N 100 2XXX XXX KRT2MV Power Output 6 W Frequency 118 000 136 975 MHz Emission Identifier 6k00A3E for 25k...

Page 41: ...installing the unit in the vicinity of heat sources Sufficient air circulation is required There must be sufficient space for cables and connectors Avoid sharp bends and wiring close to control cable...

Page 42: ...phones a supply voltage of 8V at 330 is provided Elementary Electret microphones can also be connected They have considerably lower signal levels and therefore require an 8V supply voltage The microph...

Page 43: ...ts accordingly Both inputs L and R must not be wired together L is the master input Figure 13 Head sets Because the 8V supply voltage is switched off when dynamic microphones are used during glider fl...

Page 44: ...n be connected in parallel The total impedance should not be less than 60 Ohms 6 6 4 External Audio Input Audio alarms can be made available via the external audio input When this input is not used it...

Page 45: ...d the unused MIC R input if unused 6 7 1 For glider flights Press button AUD 3x for VOX Set to VOX 10 turn off or open the intercom switch indicating e Press button AUD 4x for TXm Set to TXm Press but...

Page 46: ...ton AUD 6x for EXT o Set to EXT 00 turn off or on condition Press button AUD 10x for MIC o Set MIC L to level 5 or as required o Set MC R as required or to 1 if unused o Select AUTO and leave menu 6 7...

Page 47: ...M KRT2RC Revision 13 0 Jul 2016 47 67 6 8 Wiring 6 8 1 Wire Gauges Supply lines Power GND AWG18 0 83 mm Control lines AWG22 0 38 mm All wires must be aviation certified 6 8 2 Connector Pin Configurati...

Page 48: ...he nine pins connector on the KRT2RC is used for the connection to the KRT2 6 8 3 General hint The following drawings are not covering all possible configurations There are too many different micropho...

Page 49: ...Communication Transceiver Doc Nr DE 3000 800100e KRT2 KRT2M KRT2RC Revision 13 0 Jul 2016 49 67 6 8 4 Wiring Diagram 6 8 4 1Two place motor aircraft connection Microphone Setup set L R as required for...

Page 50: ...User Installation manual VHF Communication Transceiver Doc Nr DE 3000 800100e KRT2 KRT2M KRT2RC Revision 13 0 Jul 2016 50 67 6 8 4 2Glider two place connection Microphone Setup leave in L 11 not AUTO...

Page 51: ...User Installation manual VHF Communication Transceiver Doc Nr DE 3000 800100e KRT2 KRT2M KRT2RC Revision 13 0 Jul 2016 51 67 6 8 4 3Glider single Microphone Setup leave with L 11 for dynamic not AUTO...

Page 52: ...KRT2M KRT2RC Revision 13 0 Jul 2016 52 67 6 8 4 4Motor glider single Microphone Setup For Electret set L R as required for headset do not leave in AUTO mode For Dynamic use a switch to cut off the dyn...

Page 53: ...al VHF Communication Transceiver Doc Nr DE 3000 800100e KRT2 KRT2M KRT2RC Revision 13 0 Jul 2016 53 67 6 8 4 5Motor glider dual Dynamic Microphone Dynamic Microphone Microphone Setup R for headsets le...

Page 54: ...Communication Transceiver Doc Nr DE 3000 800100e KRT2 KRT2M KRT2RC Revision 13 0 Jul 2016 54 67 6 8 4 6Motor glider dual Electret Microphone Electret Microphone Microphone Setup leave L 3 9 in case of...

Page 55: ...re Never connect the power current grounds with the microphone ground The cleanest GND is the case of the radio Connect the battery GND to the case and pin 1 and the microphone GND to the pin 9 only s...

Page 56: ...es must have installed a metal sheet foil or mesh of at least 80 80 cm inside the fuselage as electric counterweight In order to avoid interference the distance between a COM an NAV antenna or between...

Page 57: ...ould be set so that it is not triggered by normal cockpit noise In addition VOX should be set to level 01 and the intercom switch permanently enabled The manual intercom operation is possible with one...

Page 58: ...g wave ratio SWR must be less than 3 1 A test flight is recommended to verify proper transceiver operation The following items should be checked Check transceiver operation with a radio station at lea...

Page 59: ...ver Doc Nr DE 3000 800100e KRT2 KRT2M KRT2RC Revision 13 0 Jul 2016 59 67 6 13 Accessories Suitable accessories such as antennas cable sets and switches can be purchased at our online shop on http www...

Page 60: ...stallation manual VHF Communication Transceiver Doc Nr DE 3000 800100e KRT2 KRT2M KRT2RC Revision 13 0 Jul 2016 60 67 6 14 Drawings 6 14 1 Dimensions Figure 17 KRT2 Dimensions Figure 18 KRT2M Mini Dim...

Page 61: ...User Installation manual VHF Communication Transceiver Doc Nr DE 3000 800100e KRT2 KRT2M KRT2RC Revision 13 0 Jul 2016 61 67 Figure 19 KRT2RC Remote Control Dimensions...

Page 62: ...VHF Communication Transceiver Doc Nr DE 3000 800100e KRT2 KRT2M KRT2RC Revision 13 0 Jul 2016 62 67 6 14 2 Installation Directions Connection Area Panel Cut out Figure 20 KRT2 Panel Cut out Figure 21...

Page 63: ...scheduled service tasks required on the KRT 2 VHF unit 7 2 Repair Only exchange and flat repair of the equipment is permitted In case of equipment failure the unit must be sent to the manufacturer Re...

Page 64: ...cy MHz Cannel Spacing kHz Displayed channel 8 33 25 kHz Mode Displayed Channel 25 kHz Mode 118 0000 25 118 000 118 000 118 0000 8 33 118 005 118 0083 8 33 118 010 118 0166 8 33 118 015 118 0250 25 118...

Page 65: ...nsions 57mm case Height 62mm Width 62 mm Depth 146mm plus rear panel plugs 60mm Dimensions Portrait Height 64mm Width 46 mm Depth 150mm plus rear panel plugs 60mm Dimensions Landscape Height 46mm Widt...

Page 66: ...VDC to 33VDC test 13 8VDC Transmitter 2 0 A typ Receiver 0 13 A Illumination 0 01A to 0 07A Audio Power amp Up to 1A emergency operation 9 VDC Power Consumption Standby 1 6W Transmit 30 W Frequency Ra...

Page 67: ...1kHz at m 70 1kHz Duty Cycle 2 minutes on 4 minutes off automatic turn off after 2 minutes continuous transmitter operation RECEIVER Sensitivity 105 dBm 6 dB S N N m 30 1 kHz Bandwidth 25 KHZ 6 dB ban...

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