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Other comments:The Yaesu FT-847 and Kenwood TS-2000 are very similar in features.There is no built-in SWR meter, just a "High SWR" indicator.A: No. Although it will not dual receive, it does does have a priority function as another option. The second VFO is transmit only, designed for satellite work.A: No. Although it will not dual receive, it does does have a priority function as another option, which is considered a "dual watch." The second VFO is transmit only, designed for satellite work.===priority function===Priority Channel Scanning (dual Watch) is possible with the Yaesu FT-897. It allows you to operate on a VFO, Memory channel, or Home channel, while periodically checking a user-defined Priority Memory Channel for activity. If a station is received on the Priority Memory Channel which is strong enough to open the Squelch, the scanning will pause on that station. The Priority feature is available in all operating modes.* When loading memories, remember to reserve Channel #1 for Priority use.Here's how it works: Press the keypad's [5(PRI)] key momentarily to initiate the Priority mode. The FT-847 will continue to operate normally on the current frequency, but every five seconds will switch briefly to Memory Channel #1, looking for activity. If no activity is found, operation will resume on the current frequency.* If activity is found on the Priority Channel (Memory #1), the transceiver will lock on the Priority Channel for a time interval set via Menu #26* Using PTT will lock it on the priority channel if that's where it was at when you pressed.* Press [VFO/M] or [5(PRI)] key to exit priority channel.===memory channels===*'''78 general purpose memory channels'''*20 "Smart Search" memory channels (FM only)*10 full duplex satellite memory channels*4 home memory channels*1 quick memory bank channel*24 band stacking registers===program memory channel===#select frequency and PL tone for channel#Press MCK/W#select available channel with MEM/VFO CH knob#Long Press MCK/W===erase memory channel===#Press MCK/W#select channel to delete with MEM/VFO CH knob#Press REV#Press MCK/W===cross band repeater (one-way only)===#press SAT to activate Satellite mode#set xmit freq to sub display#set rec freq to main display#press MENU and select item #41 X RPT set to ON#press MENU===vfo frequency range scan===You can also do a "programmed" scan. Set Memory Channel L to the lower limit you want to scan and Memory Channel H to the upper limit. Press the PMS button and "LU" will show in the memory channel number position. If you press Scan now, the rig will scan between those limits. Note that the firmware in the rig will round off your L and H values to the next lower 100 kHz. This means that the smallest increment you can scan is 100 kHz.#press ENT and enter the lower frequency limit followed by ENT#Press MCK/W#Turn the MEM/VFO CH dial until "L" is displayed for channel#Long Press MCK/W#press ENT and enter the upper frequency limit followed by ENT#Press MCK/W#Turn the MEM/VFO CH dial until "U" is displayed for channel#Long Press MCK/W#Press the PMS button and "LU" will be displayed for channel#Press SCANTo exit the scan press SCAN again, and press PMSNote that you will now have channels L U in the normal channel sequence. You can delete them or set them to skip. However, if you set them to skip you cannot put the rig into Programmed Scan mode by pressing the PMS key.===full menu options list===1Display Dimmer Level2VFO Dial Step Size3VFO/Mem Ch Step Size (SSB/CW)4VFO/Mem Ch Step Size (AM)5VFO/Mem Ch Step Size (FM)6CW Sidetone/BFO Pitch7CW Keyer Weight (Dash:Dot ratio)8CW Sidetone Level9CW Delay Time (Rx Recovery Time)10DSP CW Filter Bandwidth11DSP Noise Reduction Level12CTCSS Tone Frequency13DCS Code #14Auto Rptr Shift (144 MHz)15Auto Rptr Shift (430 MHz)16Rptr Shift Magnitude (29 MHz)17Rptr Shift Magnitude (50 MHz)18Rptr Shift Magnitude (144 MHz)19Rptr Shift Magnitude (430 MHz)20SSB Monitor Audio Level21"Beep" Tone Pitch22"Beep" Tone Audio Level23FM Packet Baud Rate24Tx Mode Multimeter Readout25FM Mode Mic Gain26Scan-Resume Pause Time27[Lock] Switch Mode2850 MHz Antenna Port Selection29Rx Preamp Selection (144 MHz)30RX Preamp Selection (430 MHz)31[Tuner] Switch Control Function32Mic. Up/Dwn Sw. Control Function33CW Filter Activation34Satellite Mode TX Meter Function35Satellite Memory Alpha Labels36Satellite Auto-Memory Function37Data-Transfer Baud Rate38Clear All Memories39Microprocessor Full Reset40useless function41One-Way Cross-Band Repeater Mode42Menu Expansion (To #90 ~ 96)90TX DCS Code Inversion91RX DCS Code Inversion92TX Carrier Injection Point (USB)93Rx Carrier Injection Point (LSB)94Cloning Data Transfer Baud Rate95Clone Mode "SEND"96Clone Mode "RECEIVE"==modification====technical=====microphone pinout===[[Image:yaesuft847px02.png]]===modification===MODIFIED SOLDER PAD CONFIGURATION:# IN PLACE - a resistor should already be present here# IN PLACE - a resistor should already be present here# SOLDER BRIDGE - solder a bridge across the pad if a resistor is not present# OPEN - remove resistor if present or leave open# IN PLACE - a resistor should already be present here# OPEN - remove resistor if present or leave openSee: http://www.g1ivg.com/ft847.htm - he has a pictureSee also: http://www.radiomods.co.nz/yaesu/yaesuft847.html===hidden menus===There are special menus on the FT-847. One, documented in the Operating Manual, is accessed by changing Menu #42 EXTEND to ON. Alignment menu - not mentioned in the manual. To access this menu, you need the standard mike with the UP, DOWN, and FAST buttons. Hold down these three buttons simultaneously and turn on the radio using the power switch. This will place you into the alignment menu. Doing this does not cause a reset of your radio.==references and resources==*[http://www.supercontrol.de/cat/ft847faq/ft847faq.htm FAQ for the Yaesu FT-847 transceiver]