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Specifications

GENERAL

Frequency coverage (MHz):

RX: 136 to 174

TX: 144 to 146 (148)

Channel steps:

5, 10, 12.5, 15, 20, 25 & 50 kHz

Standard repeater shift:

600 kHz

Emission type:

F2D, F3E

Supply voltage:

Nominal: 7.2 V DC, Negative Ground

Operating: 6.0 to 16.0 VDC, Negative Ground

(EXT DC Jack)

Current consumption:

Receive: 130 mA;

Standby, Saver off : 37 mA

Standby, Saver on : 23 mA

Auto Power Off : 8 mA

Transmit (HIGH) : 1.3 A;

(MID) : 800 mA;

(LOW) : 500 mA;

Case size (WHD):

58 (W) x 108.5 (H) x 26.5 (D) mm (w/o knob & antenna)

Weight (approx.):

352g w/FNB-83, Antenna and BeltClip

RECEIVER

Circuit type:

Double-conversion superheterodyne

Intermediate Frequency:

: 21.7 MHz

: 450 kHz

Sensitivity:

0.16

V for 12 dB SINAD

Adjacent channel selectivity:

65 dB

Intermodulation:

65 dB

Audio output:

0.7 W @16 ohms for 10% THD (@7.4V) Internal Speaker

0.4 W @8 ohms for 10% THD (@7.4V) External Jack

TRANSMITTER

Power output:

5 W (@ 7.2 V & 13.8 V EXT DC IN)

Modulation system:

variable reactance

Maximum deviation:

±5 kHz

Spurious emissions:

At least 60 dB below

Microphone type:

2-kilohm condenser

Specifications may be subject to change without notice or obligation.

Содержание FT-250R

Страница 1: ... Street Cypress CA 90630 U S A YAESU UK LTD Unit 12 Sun Valley Business Park Winnall Close Winchester Hampshire SO23 0LB U K VERTEX STANDARD HK LTD Unit 5 20 F Seaview Centre 139 141 Hoi Bun Road Kwun Tong Kowloon Hong Kong VERTEX STANDARD AUSTRALIA PTY LTD Normanby Business Park Unit 14 45 Normanby Road Notting Hill 3168 Victoria Australia ...

Страница 2: ...r Identification 14 CTCSS Operation 15 DCS Operation 16 Tone Search Scanning 17 To scan for the tone in use 17 CTCSS DCS Bell Operation 17 Contents Memory Operation 18 Memory Storage 18 Storing Independent Trasmit Frequencies Odd Splits 18 Memory Recall 18 Memory Offset Tuning 19 HOME Channel Memory 19 Labeling Memories 19 Masking Memories 20 Memory Only Mode 20 Scanning 21 Setting the Scan Resume...

Страница 3: ...e VOL PWR knob to turn the radio on and adjust the Audio Volume Level MICROPHONE TRANSMISSION SWITCH Speak into the microphone in a normal voice level while pressing the PTT switch FREQUENCY DIAL KNOB Rotate the DIAL Knob to select the operating frequency LAMP SWITCH MONITOR SWITCH USA T CALL SWITCH EXP SQL KNOB Adjusts to the point where the background noise is muted ...

Страница 4: ...favorite fre quency Channel Disables the Alternate key function Press Hold Key Activates the Key Lockout feature Press Key Frequency entry digit 1 Frequency entry digit 2 Frequency entry digit 3 Frequency entry digit 4 Frequency entry digit 5 Frequency entry digit 6 Frequency entry digit 7 Frequency entry digit 8 Frequency entry digit 9 Frequency entry digit 0 Sets the frequency control to the Mem...

Страница 5: ...nel monitoring 1 MHz up down stepping ARS auto matic repeater shift when tuned to repeater subbands plus a top panel rotary dial for memory and frequency selection The keypad serves as a DTMF encoder during transmis sion and up to 9 DTMF memories can store 16 digits each for quick playback of com monly used numbers The liquid crystal display shows seven frequency digits memory selection CTCSS tone...

Страница 6: ...Rotary Selector Monitor T CALL Button LAMP Button LCD Liquid Crystal Display VOL PWR Knob ANTENNA Jack S and TX Power Meter Auto Power OFF Active LOCK Feature Active LOW Power Alt Key Active Memory Number or VFO Selection Tone Encoder Squelch Enabled Digital Coded Squelch DTMF Memory Mode Memory Skip BELL Priority Channel Scanning Repeater Shift Memory Mode Frequency ...

Страница 7: ...size cells PA 38 AC Adapter CD 30 Desktop Charger MH 34B4B Speaker Microphone MH 37A4B Earpiece Microphone VC 25 VOX Headset CT 27 Cloning Cable E DC 5B DC Cable w Noise Filter E DC 6 DC Cable plug and wire only CN 3 BNC to SMA Adapter CT 44 Microphone Adapter CSC 77 Soft Case Availability of accessories may vary some accessories are supplied as standard per local regulations and requirements othe...

Страница 8: ... Charger c Insert the DC plug from the PA 38 AC Adapter into the DC jack on the bottom side of the CD 30 Desktop Charger then plug the PA 38 AC Adapter into the AC line outlet d Insert the battery pack into the CD 30 Desktop Charger while aligning the slots of the battery pack with the guides in the nest of the CD 30 refer to the illustration below for details on proper positioning of the pack If ...

Страница 9: ... to the transceiver do not allow any metal object to short the terminals on top of the pack Do not allow any metal objects to short the terminals in the nest of the charger stand as a short circuit could cause overheating of the charger circuitry ANTENNA INSTALLATION The supplied antenna provides good results over the entire frequency range of the trans ceiver However for enhanced coverage in remo...

Страница 10: ...present rotate the DIAL selector on the top panel to a channel where only noise is heard Adjust the SQL control just to the point where the noise is silenced and the LED is extinguished If the SQL control is set further clockwise sensi tivity to weak signals will be reduced Now whenever a signal reaches the receiver that is strong enough to open the squelch the indicator will glow green TRANSMITTI...

Страница 11: ...FO PRI key Examples To enter 146 5200 MHz press To enter 146 5000 MHz press CHANGING THE TRANSMITTER POWER LEVEL You can select between a total of three transmitter power levels on your FT 250R The exact power output will vary somewhat depending on the voltage supplied to the trans ceiver With the standard FNB 83 Battery Pack the power output levels available are HIGH HIGH HIGH HIGH HIGH 5 W MID M...

Страница 12: ...rotate the DIAL to select ON to enable Automatic Repeater Shift g Press the PTT key to save the new setting and exit to normal operation Tone Burst For repeaters using 1750 Hz burst tone access you can configure the switch below the PTT to send the access tone when this switch is pressed See page 14 for details Manual Repeater Shift Activation When a repeater shift is active either or appears in t...

Страница 13: ...con will appear on the LCD To cancel locking press and hold in the F L key again for one second In order to prevent accidental frequency change or inadvertent transmission various as pects of the FT 250R s DIAL keypad and switches may be locked out You may change the lockout combinations To lock out some or all of the keys c Press the F L key then press the 0 SET key to enter the Set mode d Rotate...

Страница 14: ...O selection indicator b b b b b will blinks while the transceiver is transmitting this means that the VFO Split feature is now activated k If you need to modify the VFO B transmit frequency for Doppler Shift correction etc just press the VFO PRI key then make the necessary change then press VFO PRI key once more to restore VFO A to the receive VFO position l When you have finished with Split opera...

Страница 15: ...is Menu item f Rotate the DIAL so as to select ON thus activating the Transmit Battery Saver g When you have completed your selection press the PTT key to save the new setting and exit to normal operation KEYPAD LCD ILLUMINATION Your FT 250R includes a reddish illumination lamp which aids in nighttime operation Three options for activating the lamp are provided KEY KEY KEY KEY KEY Pressing any key...

Страница 16: ...ATT BATT BATT BATT e Press the F L key to check the battery voltage f To return to normal operation press the F L key then press the PTT DISABLING THE BUSY TX LED Further battery conservation may be accomplished by disabling the BUSY TX LED Use the following procedure c Press the F L key then press the 0 SET key to enter the Set mode d Rotate the DIAL to select Menu Item 12 TRX LED TRX LED TRX LED...

Страница 17: ... in the F L key for one second then press the 7 P1 or 8 P2 key to be assigned f Press the PTT key to save the new setting and exit to the set mode TRANSMITTER TIME OUT TIMER TOT The TOT feature provides a safety switch which limits transmission to a pre programmed maximum duration This will promote battery conservation by not allowing you to make excessively long transmissions and in the event of ...

Страница 18: ...ocedure c Press the F L key then press the 0 SET key to enter the Set mode d Rotate the DIAL to select Menu 36 ANI ANI ANI ANI ANI e Press the F L key to enable changing of this Menu item f Press the F L key then press the F L key again to begin entry of the letters and numbers in the ANI code g Rotate the DIAL to select the first letter or number in the ANI code When the correct character has bee...

Страница 19: ...em shortly f Rotation of the DIAL in step d above will occasionally cause SQ SQ SQ SQ SQ to appear adja cent to the T T T T T icon When T SQ T SQ T SQ T SQ T SQ appears this means that the Tone SQuelch system is active which mutes your FT 250R s receiver until it receives a call from another radio sending out a matching CTCSS tone This can help keep your radio quiet until a specific call is receiv...

Страница 20: ... key f Press the F L key then immediately press the 2 CODE key This provides a Short cut to Menu 27 DCS SET DCS SET DCS SET DCS SET DCS SET g Rotate the DIAL to select the desired DCS Code a three digit number Ask the re peater owner operator if you don t know DCS Code if you are working simplex just set up the DCS Code to be the same as that used by your friend s h When you have made your selecti...

Страница 21: ...code g Press the F L key then press the PTT key to save the new settings and exit to normal operation If the Tone Scan feature does not detect a tone or code it will continue to scan indefi nitely When this happens it may be that the other station is not sending any tone You can press the PTT switch to halt the scan at any time You also can press the MONI key during Tone Scanning to listen to the ...

Страница 22: ... receive frequency using the method already described under MEMORYSTOR AGE it doesn t matter if a repeater offset is active d Turn to the desired transmit frequency then press and hold the MR MW SKIP key for one second e Within five seconds of releasing the MR MW SKIP key rotate the DIAL to select the same memory channel number as used in step c above f Press and hold the PTT switch Then while hol...

Страница 23: ...ange the setting of Menu Item 20 from REV REV REV REV REV to HOME HOME HOME HOME HOME if it is not already set to that option see page 35 d Select the desired frequency while operating in the VFO mode Be sure to set up any desired CTCSS or DCS tones as well as any desired repeater offset e Press and hold the MR MW SKIP key for 1 2 second f While the memory channel number is blinking just press the...

Страница 24: ... SKIP key if needed to enter the MR mode d Press and hold in the MR MW SKIP key for 1 2 second then rotate the DIAL to select the memory channel to be Masked from view e Press the F L key The display will revert to memory channel 1 If you rotate the DIAL to the location you just Masked you will observe that it is now invisible f To Unmask the hidden memory repeat the above procedure press and hold...

Страница 25: ...l it encounters It will not restart automatically you must manually re initiate scanning if you wish to resume To set the Scan Resume mode c Press the F L key then press the 0 SET key to enter the Set mode d Rotate the DIAL to select Menu 7 RESUME RESUME RESUME RESUME RESUME e Press the F L key to enable changing of this Menu item f Rotate the DIAL to select the desired scan resume mode g When you...

Страница 26: ... via manual channel selection methods using the DIAL in the MR mode PROGRAMMABLE BAND LIMIT MEMORY SCAN PMS This feature allows you to set sub band limits for either scanning or manual VFO opera tion For example you might wish to set up a limit in North America of 144 300 MHz to 148 000 MHz so as to prevent encroachment into the SSB CW Weak Signal portion of the band below 144 300 MHz Here s how t...

Страница 27: ...et this Menu item to OFF g When you have made your selection press the PTT key to save the new setting and exit to normal operation SMART SEARCH OPERATION The Smart Search feature allows you to load frequencies automatically according to where activity is encountered by your radio When Smart Search is engaged the transceiver will search above and below your current frequency storing active frequen...

Страница 28: ...the DIAL to choose from among the Smart Search memories i To return to normal operation press the VFO PRI key The default function of the 8 P2 key is Smart Search If you are changed the 8 P2 key assignment to another function described previously Storing Smart Search Memories procedure is following c Press the F L key then press the 0 SET key to enter the Set mode d Rotate the DIAL to select Menu ...

Страница 29: ...r 1 2 second then press the VFO PRI key momentarily A small PRI notation will appear on the LCD VFO VFO mode c Press the VFO PRI key to switch to the VFO mode if needed d Press the F L key then press and hold in the VFO PRI key The FT 250R will now periodically change from the VFO A frequency to the VFO B frequency checking for activity on VFO B for 0 2 second The FT 250R s 16 button keypad allows...

Страница 30: ... d9 d9 d9 d9 d9 into which you wish to store this DTMF string g Press the F L key then press the F L key again to begin DTMF Memory entry into the selected register h Rotate the DIAL to select the first digit of the desired label When you have made your selection press the MHz key momentarily to move to the next digit i Repeat the previous step to program the remaining numbers of the desired numbe...

Страница 31: ...idental loss of contact due to channel change etc Here is how to activate ARTS BASIC ARTS SETUP AND OPERATION c Set your radio and the other radio s to the same DCS code number per the discussion on page 16 d Press F L key then press the 7 P1 key to activate the ARTS operation e Press the F L key You will observe the OUT RNG OUT RNG OUT RNG OUT RNG OUT RNG display on the LCD ARTS operation has now...

Страница 32: ...n the radio first confirms that you are within range but does not re confirm with beeps thereafter ALWAYS Every time a polling transmission is received from the other station the alert beeps will be heard ARB OFF No alert beeps will be heard you must look at the display to confirm current ARTS status To set the ARTS Beep mode use the following procedure c Press the F L key then press the 0 SET key...

Страница 33: ...your entire callsign press the F L key j Press the PTT key to save the settings and exit to normal operation Note that the DE preceding your callsign is already programmed you only need to program your callsign and the DE will be appended at the time of transmission To activate the CW identifier c Press the F L key then press the 0 SET key to enter the Set mode d Rotate the DIAL to select Menu 29 ...

Страница 34: ...c unpredictable transceiver operation is encountered it is possible that the microprocessor has sustained a static burst or other condition that has caused corruption of some of its data If this should happen resetting of the microprocessor should clear up the problem Here is the procedure for resetting the microprocessor this will restore all factory defaults and will erase all memories c Turn th...

Страница 35: ... enter the CLONE mode CLONE CLONE CLONE CLONE CLONE will appear on the displays of both radios when the Clone mode is successfully activated in this step h On the Destination radio press the MONI key SAVING SAVING SAVING SAVING SAVING will appear on the LCD i Press the PTT key on the Source radio SENDING SENDING SENDING SENDING SENDING will appear on the Source radio and the data is transferred j ...

Страница 36: ...isable the Transmit Battery Saver Set the Automatic Power Off time Enable disable the BUSY TX LED Activate ARTS operation Select the Beep option during ARTS operation Select the Polling Interval during ARTS opera tion Enable disable the Keypad beeper Enable disable the Band edge beeper Select the CTCSS Bell ringer repetitions Select the MON key function Select the function of REV HM key Select the...

Страница 37: ... Function Enable disable VFO Split Operation Available Values ON OFF Default OFF Set Item 6 STEP Function Setting of the synthesizer steps Available Values 5 10 12 5 15 20 25 50 kHz Default Depends on the transceiver version Set Item 7 RESUME Function Select the Scan Resume mode Available Values 5 SEC BUSY HOLD Default 5 SEC Set Item 8 SCN LMP Function Enable disable the Scan lamp while paused Ava...

Страница 38: ...ction Enable disable the BUSY TX LED while the Squelch is open or during trans mission Available Values ON OFF Default ON Lamp active Set Item 13 ARTS Function Activate the ARTS feature See page 27 for details Set Item 14 ARTS BP Function Select the Beep option during ARTS operation Available Values OFF INRANGE ALWAYS Default INRANGE Set Item 15 AR ITVL Function Select the Polling Interval during ...

Страница 39: ...50 Hz burst tone used for repeater access in many countries Set Item 20 REV HM Function Select the function of the REV HM key Available Values REV HOME Default REV Set Item 21 LMP MOD Function Select the LCD Keypad Lamp mode Available Values KEY 5SEC TOGGLE Default KEY Set Item 22 TOT Function Set the TOT Time Out Timer time Available Values OFF 1 min 2 5 min 5 min 10 min Default OFF Set Item 23 B...

Страница 40: ... F L key then press the PTT key to save the new setting and exit to normal operation Set Item 27 DCS SET Function Setting of the DCS code Available Values 104 standard DCS codes Default 023 In this mode press the F L key then press the PTT key to save the new setting and exit to normal operation Set Item 28 DTMF Function Programming the DTMF Autodialer See page 26 for details Set Item 29 CW ID Fun...

Страница 41: ...E Function Select the Control Locking lockout combination Available Values KEY DIAL K D KEY DIAL PTT K P KEY PTT D P DIAL PTT ALL Default KEY Set Item 33 NAR WID Function Select the Operating band width Available Values NARROW WIDE Default WIDE Set Item 34 DTMF SP Function Select the DTMF Autodialer sending speed Available Values 50 ms 100 ms Default 50 ms High speed Set Item 35 DT DLY Function Se...

Страница 42: ...FT 250R OPERATING MANUAL 38 Set Mode ...

Страница 43: ... 108 5 H x 26 5 D mm w o knob antenna Weight approx 352g w FNB 83 Antenna and BeltClip RECEIVER Circuit type Double conversion superheterodyne Intermediate Frequency 1st 21 7 MHz 2nd 450 kHz Sensitivity 0 16 μV for 12 dB SINAD Adjacent channel selectivity 65 dB Intermodulation 65 dB Audio output 0 7 W 16 ohms for 10 THD 7 4V Internal Speaker 0 4 W 8 ohms for 10 THD 7 4V External Jack TRANSMITTER P...

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