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FCC ID :DY7RT8059 

17 

Receive Section 

Inspection standards 
(1) Receive Sensitivity 

: Set to 50mW of audio outputs at 1000Hz of modulation 

frequencies, and 30% of modulation factors.   

: Antenna input voltage required to obtain signal-to-noise-ratio 

6dB: 

 

   below 

2uV 

(2) Spurious Response:   

 

 

50dB or more 

(3) Selectivity and bandwidth 

(a)6dB : 

±

7kHz or more   

(b)60dB: 

±

30kHz or less 

(4)Oscillation frequency drift 

After power-up 10 minutes: 

Less than +/-0.003% 

(5)Leakage signal of antenna terminal: 

-59dBm or less 

(6)The maximum audio output 

Antenna terminal input signal sets to 46dB,   
1000Hz of modulation frequencies, and 85% of modulation factors.   
: Audio output of 10% of distortion rates:     

350mW or more. 

(7)Overall frequency response characteristic 

Antenna terminal input signal sets to 46dBu,   
1000Hz of modulation frequencies, and 85% of modulation factors.   
: within 350Hz through 2500Hz in modulation frequency. : 
 

  Less than 6dB 

(8)AGC Characteristics   

: The deviation of Audio output level. 
Antenna terminal input signal sets to   
110dBus from 20dBus, 1000Hz of   
modulation frequencies, and 30% of modulation factors. : 
 

  Less than 6dB 

(9)Squelch Characteristics : 

(a) Minimum level: 

0dBu or less 

(b) Maximum level: 

20dBu or less 

(10) VOR course deviation: Between 2.25u to 10mV:   

+/-1 degree   

(11) Localizer and Glide slope course deviation   

: Between 2.25u to 10mV:   

+/-1/2 degree   

 
 

 

Содержание SP-400

Страница 1: ...111 AIR BAND TRANSCEIVER SP 400 OPERATING MANUAL DRAFT ...

Страница 2: ... Instructions 7 1 Frequency Selection 7 2 Reception of Weather Channel Broadcasts 8 3 Emergency Frequency 121 5MHz 8 4 Frequency Search COMM 8 5 Manual Frequency Search COMM NAV 9 6 Frequency Memory 9 7 Memory Recall 9 8 Memory Scan 10 9 Memory Clear 10 10 Transmitting 11 11 VOR Display 11 12 Localizer 13 13 Localizer and Glide Path 13 14 Key Lock 14 15 Screen and Keypad Lighting 14 5 Specificatio...

Страница 3: ...h and scan and so on for frequency 7 SP 400 possesses the Liquid Crystal Display LCD to indicate frequencies and memory channels it uses a Course Deviation Indicator CDI for the selected course and is equipped with means for omni bearing selection 8 SP 400 indicates the selected course on the points of the compass when VOR Navigation Signals are received And also indicates the Course Deviation for...

Страница 4: ...FCC ID DY7RT8059 2 TOP FRONT RIGHT SIDE 2 Controls LEFT SIDE A B C D E F G H I J L M N O P Q R S T U V W X Y K ...

Страница 5: ...ly when this jack is used with a microphone connected to the adapter D Squelch Rotate clockwise to increase squelch and counterclockwise to decrease squelch E On Off and Volume Control Combination on off and volume control Turn the knob clockwise from the OFF position to turn the unit on and to increase volume Turn the knob counterclockwise to decrease volume and to turn the unit off F Wrist Strap...

Страница 6: ...ll This key is also used in combination with the Down key to lock out all inputs to the keyboard P Omni Bearing Selector Key This key is used to activate the Omni Bearing Selector OBS function for the Course Deviation Indicator CDI Q Memory Key This key is used while storing frequencies in one of the 20 memory channels R Recall Key This key is used to recall stored frequencies from the 20 memory c...

Страница 7: ...ween your last two frequencies X External Power Jack The SP 400 may be powered externally with or without a battery pack attached or the Ni MH batteries charged by plugging the optional 12 24 Volt Cigarette Lighter Power Adapter or the 115 Volt Wall Power Adapter into this location Y Battery Pack Release Pushing this button releases the battery pack for removal ...

Страница 8: ...FEATURE A 120V Wall Power Adapter Charge Adapter B 12V 24V Cigarette Lighter Adapter Charge Adapter C Desk Top Adapter Charge INSERT 12V 9V INPUT 120V AC OUTPUT 12V DC 1000mA INPUT 12 24V DC OUTPUT 9V DC 1A INPUT 120V AC OUTPUT 12V DC 1000mA SP 400 with Ni MH Battery pack A 12V B C A ...

Страница 9: ... 5 is automatically selected for the 1kHz entry and displayed If other number is input in the 10kHz column the 1kHz column is flashing And only 0 and 5 can be inputted into a 1kHz column Note Any frequency outside of the range listed below will not be accepted If this happens the unit will automatically return to its previous mode 108 000 MHz to 117 950 MHz 50kHz step 200 NAV frequencies 118 000 M...

Страница 10: ... is being received and you desire to search up or down 2 Hold the UP or DWN key for more than 1 second and the receiver will search through the frequencies in the selected direction The message area of the screen will now display SEARCH 3 When a broadcasting signal is found the search will stop temporarily and the unit will remain on that frequency 4 If the signal is cut off for more than 2 second...

Страница 11: ...f the screen 4 Press MEM to store the frequency in the select memory channel Press the CLR key at any time prior to step 4 to return to the unit to its previous mode without saving the frequency Note If you select a channel that already contains a frequency that frequency will be erased when the new frequency is stored 7 Memory Recall 1 Press the RCL key The unit will display and receive the frequ...

Страница 12: ...does not work when there are no frequencies stored in memory channels When you exit the memory scan function by pressing CLR the unit will remain on the last frequency that was being received 9 Memory Clear 1 To clear a specific memory channel press and hold the CLR key followed by the MEM key Release the keys when the message area of screen displays MEM CLR The mode of the screen will now display...

Страница 13: ...will once again display 122 700 4 When any NAV frequency 108 000 MHz to 117 950 MHz is selected the unit will automatically broadcast on 122 100 MHz any time the PTT key is pushed 5 When any WX channel frequency is selected the unit will automatically broadcast on 122 100 MHz any time the PTT key is pushed 11 VOR Display 1 Enter the desired VOR frequency 114 500 MHz for example 2 The unit will dis...

Страница 14: ...itional input is accepted to change the desired bearing or radial unless the OBS key is pressed again If all three digits are not entered within 5 seconds the unit will automatically return to its previous mode 6 The CDI needle will indicate the deviation from the selected bearing or radial 7 An alternate method to enter a desire bearing or radial is to press the OBS key followed by either the UP ...

Страница 15: ...egree deviation to the right or to the left 3 The display will appear as follows in the localizer mode To exit the localizer mode enter a COMM or VOR frequency 13 Localizer and Glide Path 1 The angle of approach degree to the glide slope is matched when the Glide Pass signal is received and it is displayed in the frequency of Glide Pass that becomes a pair as the service frequency of the localizer...

Страница 16: ...nction may be activated in all modes 14 Screen and Keypad Lighting 1 The screen and the keypad lighting of SP 400 work for five seconds when each key operation and each button is operated 2 Press and hold the LIGHT button for one second to activate and leave on the screen and keypad lighting 3 Press the LIGHT button a second time to turn off the screen and keypad lighting ...

Страница 17: ...ensions 63 5mm W x 143 8mm H x 40 5mm D With the battery case without protrusions Transmitter 1 Frequency Range 118 000MHz to 136 975MHz Communication CH is 760CH in 25kHz step 2 System Low Power Modulation Maximum Modulation 85 3 Carrier Frequency Output 1 5W 20 4 Peak transmit power 5W PEP modulation 85 Receiver 1 Frequency Range 108 000MHz to 117 950MHz Navigation 200CH in 50kHz step 118 000MHz...

Страница 18: ...tic a Distortion level Frequency 1 000Hz AM 80 10 or less b Modulation level Modulation Frequency 1 000Hz 30dBm Input level 70 or more 0dBm Input level 85 to 100 c Overall frequency response characteristic Audio output at changing frequency to 350Hz through 2500Hz having used standard frequency as 1kHz is less than 6dB 4 Parasitic Oscillation Should be 0 5 Spurious Radiation High Frequency and oth...

Страница 19: ...B 1000Hz of modulation frequencies and 85 of modulation factors Audio output of 10 of distortion rates 350mW or more 7 Overall frequency response characteristic Antenna terminal input signal sets to 46dBu 1000Hz of modulation frequencies and 85 of modulation factors within 350Hz through 2500Hz in modulation frequency Less than 6dB 8 AGC Characteristics The deviation of Audio output level Antenna t...

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