Yaesu FT-891 User manual

HF/50MHz TRANSCEIVER
FT- 891
Operating Manual

Introduction.................................................... 1
Safety Precautions ........................................ 2
Accessories & Options ................................. 5
Supplied Accessories.................................... 5
Optional Accessories .................................... 5
Installing the Radio ....................................... 6
Antenna considerations ................................ 6
About coaxial Cable ...................................... 6
Connection of Antenna and Power Cables ... 6
Important precautions for
mobile radio operation ... 6
Precautions during installation ...................... 7
Install the Antenna ........................................ 7
Install the main body ..................................... 8
Install the Front Panel ................................... 8
Installation location when used in a
mobile unit ... 8
Connection of Antenna and Power Cables ... 9
About Antenna .............................................. 9
Before You Begin......................................... 10
Installing the Microphone ............................ 10
MH-31A8J Microphone Key Buttons............11
Control Panel Switch & Connectors.......... 12
Adjusting the Main tuning DIAL torque........ 12
Base Station Tilt Stand ............................... 13
Resetting the Microprocessor.................... 14
All Reset ................................................... 14
Resetting Memories (only)....................... 14
Function Resetting ................................... 15
Adjusting the display settings ................... 16
Display Contrast.......................................... 16
Display Dimmer........................................... 16
Front Panel Controls & Switches............... 17
About the Display........................................ 23
About the Rear Panel .................................. 24
Begin Using Your New Transceiver ........... 27
Turning the Transceiver ON and OFF......... 27
Adjusting the Audio Volume Level............... 27
Operating Band and Mode Selection .......... 27
Setting the Operating Frequency ................ 28
Changing frequency up and down
quickly with the MULTI function Knob ... 28
Using the UP/DWN keys of the
Supplied MH-31A8J Hand Microphone ... 29
Mode Selection ........................................... 29
Transmission (SSB/AM/FM mode).............. 30
QMB (Quick Memory Bank)Channels....... 31
QMB Channel Storage ............................. 31
QMB Channel Recall................................ 31
Erasing QMB Data ................................... 31
Operating Instructions 1............................. 32
DIAL knob Lock........................................... 32
NB (Noise Blanker)
(SSB/CW/RTTY/DATA/AM Modes)... 32
Operating Instructions 2............................. 33
Clarifier (Offsets the receive frequency
on the SSB/CW mode)... 33
Operating Instructions 3............................. 34
IF SHIFT Operation
(SSB/CW/RTTY/DATA Modes)... 34
Operating Instructions 4............................. 35
Meters ......................................................... 35
VOX ............................................................ 35
Speech Processor....................................... 35
Parametric Microphone Equalizer............... 35
Scope............................................................ 36
Operation on 60-Meter (5 MHz)Band
(U.S. and U.K. Version Only)... 37
Memory Operation....................................... 38
Normal Memory Storage............................. 38
Naming a Memory Channel...................... 38
Memory Groups........................................ 38
Memory Channel Recall.............................. 39
Moving Memory Data to the VFO-A ......... 39
Erasing Memory Channel Data................... 40
Restoring Memory Channel Data................ 40
Scanning Operation .................................... 41
VFO Scanning............................................. 41
Scan Resume Options ............................. 41
Memory Scanning ....................................... 42
Scan Resume Options ............................. 42
Programmable Memory Scan (PMS)....... 42
CW Mode Operation .................................... 43
Transmission (CW mode)........................... 43
Adjusting the CW delay time .................... 43
Adjusting the Sidetone volume level ........ 43
Adjusting the Keyer Speed....................... 43
Setting Modes.............................................. 44
Setting Modes Display ................................ 44
Using the Setting Modes .......................... 44
Changing the function assigned to the
[A]/[B]/[C]keys... 45
FUNCTION-1............................................ 46
FUNCTION-2............................................ 47
CW SETTING........................................... 48
FM SETTING............................................ 49
REC SETTING ......................................... 50
ATAS SETTING ........................................ 50
Menu Mode................................................... 51
Specifications .............................................. 56
Contents

1FT-891 Operating Manual
Introduction
The FT-891 is a rugged and innovative, multiband, multimode, mobile/portable transceiver
for Operation in the amateur radio HF/50 MHz bands. Providing coverage of the 160 - 6
meter bands, the FT-891 includes operation in the SSB, CW, AM and FM modes, yielding
the most comprehensive performance package available for mobile and field operation.
Engineered for high performance, the FT-891 transceiver outputs 100 watts of power on
the 160 through 6 meter bands.
The display includes bar-graph indications of: power output, ALC voltage, SWR, speech
processor compression level, drain current of the final stage FET, and signal strength.
Also included are a number of operating status icons, as well as function displays for the
three operating function keys ([A], [B], and [C]).
Many advanced features that are included in the FT-891, have formerly only been
incorporated in large base station transceivers. These include:
rSplit-Frequency operation using the Dual VFOs
rDigital Signal Processing (IF SHIFT, IF WIDTH, CONTOUR, IF NOTCH, Noise
Reduction, Auto-Notch)
rSSB Clarifier operation to permit offset adjustment of the receive frequency on SSB
mode.
rIF Noise Blanker
rAGC Fast/Middle/Slow/Auto selection
rRF Gain and Squelch control
rIPO (Intercept Point Optimization)and a receiver front-end Attenuator
rAM Broadcast reception
rVOX
rBuilt-in Electronic Keyer with Memories and a Beacon mode
rAdjustable CW Pitch
rSpectrum Scope
r99 Memories and Band-limiting Memories
rAlpha-Numeric Labeling of Memories
rAutomatic Power-Off (APO)and Time-Out Timer (TOT)functions
rComputer Interface capability
We urge you to read this manual and also the Advance Manual (available for download
on the Yaesu website)in its entirety, to gain a full understanding of the amazing capability
of the exciting new FT-891 Transceiver.

2FT-891 Operating Manual
Safety Precautions
Note beforehand that the company shall not be liable for any damages suffered by the customer or
third parties in using this product, or for any failures and faults that occur during the use or misuse of
this product, unless otherwise provided for under the law.
Type and meaning of the marks.
Type and meaning of the marks
DANGER
This symbol indicates the possibility of death or serious injury being inflicted on
the user and the surrounding people when these instructions are ignored and the
product is mishandled.
WARNING
This symbol indicates the possibility of death or serious injury being inflicted on
the user and the surrounding people when these instructions are ignored and the
product is mishandled.
CAUTION
This symbol indicates the possibility of physical impediments occurring or impedi-
ments being inflicted on the user and the surrounding people when these instruc-
tions are ignored and the product is mishandled.
Type and meaning of symbols
Prohibited actions that must not be attempted, in order to use this radio safely.
For example, signifies that disassembly is prohibited.
Precautions that must be adhered to in order to use this radio safely. For example, signifies that the
power supply is to be disconnected.
DANGER
Do not use the device in “regions or air-
crafts and vehicles where its use is prohib-
ited” such as in hospitals and airplanes.
This may exert an impact on electronic and
medical devices.
Do not use this product while driving or
riding a motorbike. This may result in ac-
cidents.
Make sure to stop the car in a safe location
first before use if the device is going to be
used by the driver.
Do not operate the device when flammable
gas is generated.
Doing so may result in fire and explosion.
Do not transmit in crowded places in con-
sideration of people who are fitted with
medical devices such as heart pacemak-
ers.
Electromagnetic waves from the device may
affect the medical device, resulting in acci-
dents caused by malfunctions.
Never touch the antenna during transmis-
sion.
This may result in injury, electric shock and
equipment failure.
When an alarm goes off with the external
antenna connected, cut off the power sup-
ply to this radio immediately and discon-
nect the external antenna from this radio.
If not, this may result in fire, electric shock and
equipment failure.
Do not touch any liquid leaking from the
liquid display with your bare hands.
There is a risk of chemical burns occurring
when the liquid comes into contact with the
skin or gets into the eyes. In this case, seek
medical treatment immediately.

3
Safety Precautions
FT-891 Operating Manual
WARNING
Do not use voltages other than the speci-
fied power supply voltage.
Doing so may result in fire and electric shock.
Do not transmit continuously for long pe-
riods of time.
This may cause the temperature of the main
body to rise and result in burns and failures
due to overheating.
Do not dismantle or modify the device.
This may result in injury, electric shock and
equipment failure.
Do not handle the power plug and connec-
tor etc. with wet hands. Also do not plug
and unplug the power plug with wet hands.
This may result in injury, liquid leak, electric
shock and equipment failure.
When smoke or strange odors are emitted
from the radio, turn off the power and dis-
connect the power cord from the socket.
This may result in fire, liquid leak, overheat-
ing, damage, ignition and equipment failure.
Please contact our company amateur custom-
er support or the retail store where you pur-
chased the device.
Keep the power plug pins and the sur-
rounding areas clean at all times.
This may result in fire, liquid leak, overheating,
breakage, ignition etc.
Disconnect the power cord and connec-
tion cables before incorporating items sold
separately and replacing the fuse.
This may result in fire, electric shock and
equipment failure.
Never cut off the fuse holder of the DC
power cord.
This may cause short-circuiting and result in
ignition and fire.
Do not use fuses other than those speci-
fied.
Doing so may result in fire and equipment
failure.
Do not allow metallic objects such as wires
and water to get inside the product.
This may result in fire, electric shock and
equipment failure.
Do not place the device in areas that may
get wet easily (e.g. near a humidifier).
This may result in fire, electric shock and
equipment failure.
When connecting a DC power cord, pay
due care not to mix up the positive and
negative polarities.
This may result in fire, electric shock and
equipment failure.
Do not use DC power cords other than the
one enclosed or specified.
This may result in fire, electric shock and
equipment failure.
Do not bend, twist, pull, heat and modify
the power cord and connection cables in
an unreasonable manner.
This may cut or damage the cables and result
in fire, electric shock and equipment failure.
Do not pull the cable when plugging and
unplugging the power cord and connec-
tion cables.
Please hold the plug or connector when un-
plugging. If not, this may result in fire, electric
shock and equipment failure.
Refrain from using headphones and ear-
phones at a loud volume.
Continuous exposure to loud volumes may
result in hearing impairment.
Do not use the device when the power cord
and connection cables are damaged, and
when the DC power connector cannot be
plugged in tightly.
Please contact our company amateur custom-
er support or the retail store where you pur-
chased the device as this may result in fire,
electric shock and equipment failure.
Follow the instructions given when install-
ing items sold separately and replacing the
fuse.
This may result in fire, electric shock and
equipment failure.
Do not use the device when the alarm goes
off.
For safety reasons, please pull the power plug
of the DC power equipment connected to the
product out of the AC socket.
Never touch the antenna as well. This may
result in fire, electric shock and equipment
failure due to thunder.

4
Safety Precautions
FT-891 Operating Manual
CAUTION
Do not place this device near a heating in-
strument or in a location exposed to direct
sunlight.
This may result in deformation and discolor-
ation.
Do not place this device in a location where
there is a lot of dust and humidity.
Doing so may result in fire and equipment
failure.
Stay as far away from the antenna as pos-
sible during transmission.
Long-term exposure to electromagnetic radia-
tion may have a negative effect on the human
body.
Do not wipe the case using thinner and
benzene etc.
Please use a soft and dry piece of cloth to
wipe away the stains on the case.
Keep out of the reach of small children.
If not, this may result in injuries to children.
Do not put heavy objects on top of the
power cord and connection cables.
This may damage the power cord and connec-
tion cables, resulting in fire and electric shock.
Do not transmit near the television and
radio.
This may result in electromagnetic interfer-
ence.
Do not use optional products other than
those specified by our company.
If not, this may result in equipment failure.
When using the device in a hybrid car or
fuel-saving car, make sure to check with
the car manufacturer before using.
The device may not be able to receive trans-
missions normally due to the influence of nois-
es from the electrical devices (inverters etc.)
fitted in the car.
For safety reasons, switch off the power
and pull out the DC power cord connect-
ed to the DC power connector when the
device is not going to be used for a long
period of time.
If not, this may result in fire and overheating.
Do not throw or subject the device to
strong impact forces.
This may result in equipment failure.
Do not the put this device near magnetic
cards and video tapes.
The data in the cash card and video tape etc.
may be erased.
Do not turn on the volume too high when
using a headphone or earphone.
This may result in hearing impairment.
Do not place the device on an unsteady
or sloping surface, or in a location where
there is a lot of vibration.
The device may fall over or drop, resulting in
fire, injury and equipment failure.
Do not stand on top of the product, and do
not place heavy objects on top or insert
objects inside it.
If not, this may result in equipment failure.
Do not use a microphone other than those
specified when connecting a microphone
to the device.
If not, this may result in equipment failure.
Do not touch the heat radiating parts.
When used for a long period of time, the tem-
perature of the heat radiating parts will get
higher, resulting in burns when touched.
Do not open the case of the product except
when replacing the fuse and when install-
ing items sold separately.
This may result in injury, electric shock and
equipment failure.

5FT-891 Operating Manual
Accessories & Options
Supplied Accessories
Microphone
MH-31A8J
Mobile Mounting Bracket
MMB-82
(Attachment screw set)
DC power cable w/Fuse
Operating Manual
Quick Manual
Warranty Card
Spare fuse (25 A)
Optional Accessories
MH-31A8J Microphone
MH-36E8J DTMF Microphone
M-1 Reference Microphone
MD-200A8X Ultra-High-Fidelity Desktop Microphone
MD-100A8X Desktop Microphone
MLS-100 High-Power External Speaker
YH-77STA Lightweight Stereo Headphone
VL-1000/VP-1000 Linear Amplifier / AC Power Supply
FC-40 External Automatic Antenna Tuner
FC-50 External Automatic Antenna Tuner
ATAS-120A Active Tuning Antenna (Automatic Type)
ATAS-25 Active Tuning Antenna (Manual Type)
ATBK-100 Antenna Base Kit
FH-2 Remote Control Keypad
YSK-891 Separation Kit
MMB-82 Mobile Mounting Bracket
SCU-17 USB Interface Unit
CT-58 VL-1000 Linear Amplifier Connection Cable
CT-39A Packet Interface Cable
FP-1030A AC Power Supply (25 A)(USA and Asian market only)

6FT-891 Operating Manual
Installing the Radio
Antenna considerations
The FT-891 is designed for 50 Ohm resistive impedance at the amateur operating frequencies.
Select the proper antenna (dipole antenna, YAGI antenna, cubical quad antenna, etc.)suitable
for the chosen operation and bands.
Construct the antenna and coaxial cable, or use a suitable antenna tuner, to maintain the impedance
presented to the FT-891 antenna connector for an SWR of 1.5 or less. Careful preparation of the
antenna and/or tuner will permit maximum performance and protect the transceiver from damage.
High voltages may be present on the antenna; install it so it will not be easily touched when in
operation.
rCreate a loop (slack)in the co-axial cable directly underneath the antenna and fasten it so that the
weight of the cable does not pull on the antenna or connector itself.
rInstall the antenna taking into consideration the securing supports and how the guying wires are
positioned, so that the antenna does not fall over or get blown away in strong winds.
About coaxial Cable
Use high-quality 50-Ohm coaxial cable for the lead-in to your FT-891 transceiver.
Connection of Antenna and Power Cables
Please follow the outline in the illustration regarding the proper connection of antenna coaxial cables.
FUSE: 25 A
RED
GND
ANTENNA
Use an external power source capable of
supplying DC 13.8 V, a current capacity of
23 A or more.
BLACK
To prevent damage from lightning, atmospheric
electricity, electrical shock etc., please provide a good
earth ground. Use a short, thick, braided cable to
connect your station equipment to the buried ground rod (or
alternative earth ground system).
Important precautions for mobile radio operation
rThe use of protective tape or covering is recommended to protect the wiring and the power cord
inside the vehicle.
rWhen installing the unit inside a vehicle, locate the radio, antenna, co-axial cable, etc. at least 20
cm (8 inches)away from the following control equipment:
●Engine-related: Fuel injection equipment and engine control
●Transmission-related: Transmission and 4WD electronic control unit
●Others: ECS/EPS/ABS/ETACS/Fully automatic air-conditioner/Auto-heater control unit/G sensor

7
Installing the Radio
FT-891 Operating Manual
rInstall the antenna and co-axial cable away from the control unit and wiring harness.
Place all cables so they do not entangle and impede the driver or passengers. Never place any
equipment in a location where it may pose a danger to the passengers, where it may interfere with
driving, or obstruct the driver field of view.
rDo not install any apparatus in such a way that it may interfere with the proper operation of the air
bags.
rAfter installing the radio, check that the brake lamp, head lamp, turning indicator lights, wiper, etc.
are working normally with the radio power switched on.
rKeep full attention on driving, do not operate the radio controls or look at the radio display while
driving. Stop the vehicle at a safe location, before operating the radio controls or looking at the
display.
rDo not drive the car in such a way that external sounds required for safe driving cannot be heard.
Most areas and districts prohibit the use of earphones and headphones while driving.
rIf operation of the radio transmitter appears to have abnormal effects on the control equipment of
the vehicle, stop the engine, turn off the transceiver power supply, and disconnect the power cord.
Resolve the problem before continuing to operate the radio equipment.
rWhen using the radio in an electric or hybrid car, the receiver may experience high RF interference
and noise from the inverters that are built into the electric vehicle.
Precautions during installation
Note the following when installing this radio.
rDo not install the radio in a place where there is extreme vibration, where there is a lot of dust,
excessive humidity or high temperature, or where it is exposed to direct sunlight.
rInstall the radio in a well ventilated position, so heat release is not obstructed because the heat
sink gets hot when transmitting repeatedly.
Install the Antenna
rEnsure that the antenna base is securely fixed.
rEnsure that the antenna base is securely grounded to the car body.
rAvoid routing the co-axial cable enclosed with a commercial car antenna cable.
rDo not place the co-axial cable or connectors inside the car where rain water or moisture may
penetrate them.

8
Installing the Radio
FT-891 Operating Manual
Install the main body
Install the main body using the provided MMB-82 bracket.
rDo not install the FT-891 in a place with intense vibration.
rAttach the bracket firmly with the supplied screws, so it will not become loose.
1. Holes in the location where the bracket is to be
mounted
Drill four 6 mm diameter holes in the location where
the bracket is to be mounted matching the positions of
the bolting holes of the bracket.
2. Attach the bracket
Using the provided bolts, nuts and washers.
3. Fasten the transceiver to the bracket
Using the provided flange bolts, as shown in the
drawing.
rThe mounting angle can be changed depending
on the securing position of the flange bolts.
Bolt
Nut
Washer
Washer
Bracket
Flange bolt
Main Body
Install the Front Panel
Install the front panel using the optional bracket.
rThe bracket can be bent by hand to match the location where the controller is going to be installed.
Take due care not to injure yourself when bending the bracket.
rSelect a stable, flat location with as few dents and protrusions as possible.
Installation location when used in a mobile unit
Front Panel
It is recommended that the front panel be
installed on top of the car dash board.
Main body
It is recommended that the main body be
installed below the car dash board.
rDo not install the front panel, the
transceiver or the wire cables near the
air bags. In case of emergency, the
transceiver may interfere with air bag
deployment and result in accidents and
injury. The wire cables may also cause
the air bag to malfunction. Radio main body
Controller

9
Installing the Radio
FT-891 Operating Manual
Connection of Antenna and Power Cables
Please follow the outline in the illustration regarding the proper connection of antenna coaxial cables,
as well as the DC power cable.
High current is carried during transmissions. The DC power supply cable must connect directly to the
negative ground, 12 V car battery.
Black
DC power supply
cable (supplied)
DC 12 V battery
Fuse holder
FUSE: 25 A
ANTENNA
Red
rUse the transceiver only in a car with a negative ground 12 V DC system, where the minus (-)pole
of the battery is connected to the car body.
rDo not connect the radio to the 24 V battery of a large vehicle.
rDo not use a DC power cable other than the one that is supplied or specified.
rHigh current is carried during transmissions; do not use the cigarette lighter connector inside the
car as a power source.
High RF voltage is present in the TX RF section of the transceiver while transmitting.
Absolutely! Do not touch the TX RF section while transmitting.
Permanent damage can result when improper supply voltage, or reverse polarity voltage,
is applied to the FT-891. The Limited Warranty on this transceiver does not cover damage
caused by application of AC voltage, reverse polarity DC, or DC voltage outside the specified
range of 13.8 V ±15 %. When replacing fuses, be certain to use a fuse of the proper rating.
The FT-891 requires a 25 Amp blade fuse.
About Antenna
The FT-891 is designed for 50 Ohm resistive impedance at the amateur operating frequencies.
Select the proper antenna, suitable for the chosen operation and bands. Maintain the impedance
presented to the FT-891 antenna connector for an SWR of 1.5 or less.
Careful preparation of the antenna and/or tuner will permit maximum performance and protect the
transceiver from damage.
High voltages may be present on the antenna; install it so it will not be easily touched when in
operation.

10 FT-891 Operating Manual
Before You Begin
Installing the Microphone
1. To separate the Front Panel, use your thumb to push the latch on the right-hand side of the panel
slightly rearward, and then slide the Front Panel to the left and away from the transceiver.
FT-891
MODE
HF/50MHz TRANSCEIVER Push the latch rearward
Slide the Front Panel
2. Insert the microphone plug into the recessed jack
on the transceiver, as shown in the illustration.
NOTE: When disconnecting the microphone,
pull the cable while pressing the connec-
tor latch.
3. The microphone cable may be positioned
so that it will exit from the side or the bot-
tom of the transceiver. Just route the cable
into the appropriate channel provided, as
shown in the illustration.
4. Install the Front Panel by sliding it into the
position shown; you will hear a “click” when
the panel locks into place.
FT-891
MODE
HF/50MHz TRANSCEIVER
Slide the Front Panel

11
Before You Begin
FT-891 Operating Manual
MH-31A8J Microphone Key Buttons
PTT Switch
Switches transmit/receive.
Press to transmit and release to
receive.
DWN key
Press the DWN (Down)key to
scan the frequency downward.
FST key
Changes the frequency step, this
key works in the same way as the
[FAST]key on the transceiver top
panel.
①⑤
③
② ④
⑥
UP key
Press the UP key to scan the frequency upward.
Microphone
Speak into the microphone in a normal tone of voice with the microphone 5 cm away
from your mouth.
TONE Switch
Alters transmit sound quality. Slide the switch to the “1” position for a “flat transmit
audio response, Slide the switch to the “2” position to emphasize transmit audio.

12 FT-891 Operating Manual
Control Panel Switch & Connectors
②
①
CONTROL Jack
SP-PH switch
If you use earphones with this transceiver, move this switch to the “PH” position before
inserting the earphone plug into the SP/PH Jack, to prevent injury your ears.
SP/PH jack
This 3.5-mm, 2-pin jack provides adjustable audio
output for an external speaker (4 Ω ~ 16 Ω impedance)
or earphones. The audio level varies according to the
setting of the front panel AF knob.
Important Note: When an earphone plug is inserted
into this jack, the SP-PH slide switch (located on the back side of
the front panel)MUST BE set to the “PH” position, to prevent the
possibility of injury to your ears.
Adjusting the Main tuning DIAL torque
The torque (drag)of the Main Tuning DIAL knob may be adjusted for your operating
preferences. Slide the lever clockwise to reduce the drag, or counter-clockwise to
increase the drag.
Reduce
Increase
SIGNAL GND

13FT-891 Operating Manual
Base Station Tilt Stand
The sturdy stand on the bottom of the transceiver allows the transceiver to be tilted upward
for better viewing. Simply fold the stand forward to raise the front of the transceiver, and
fold it back against the bottom case to lower the front of the FT-891.

14 FT-891 Operating Manual
Resetting the Microprocessor
All Reset
Use this procedure to restore all settings to their original factory defaults. All Memories will
be cleared by this procedure.
1. Press and hold in the [F]key for one sec-
ond to activate the Menu mode.
2. Rotate the MULTI function knob to select
Menu Mode “17-01 [RESET]”.
3. Press the MULTI function knob, and then
rotate the MULTI function knob to select
“ALL”.
4. Press and hold the MULTI function knob
to reset and automatically restart the trans-
ceiver.
Resetting Memories (only)
Use this procedure to reset (clear)the previously stored Memory channels, without
affecting any configuration changes you may have made to the Menu settings.
NOTE: The FT-891 cannot erase the memory channels “01” (and “501” through “510”:
U.S. version).
1. Press and hold in the [F]key for one sec-
ond to activate the Menu mode.
2. Rotate the MULTI function knob to select
Menu Mode “17-01 [RESET]”.
3. Press the MULTI function knob, and then
rotate the MULTI function knob to select
“DATA”.
4. Press and hold the MULTI function knob
to reset and automatically restart the trans-
ceiver.

15
Resetting the Microprocessor
FT-891 Operating Manual
Function Resetting
Use this procedure to restore Menu and Programmable Multi Function [A]/[B]/[C]key
settings to their factory defaults, without affecting the programmed memories.
1. Press and hold in the [F]key for one sec-
ond to activate the Menu mode.
2. Rotate the MULTI function knob to select
Menu Mode “17-01 [RESET]”.
3. Press the MULTI function knob, and then
rotate the MULTI function knob to select
“FUNC”.
4. Press and hold the MULTI function knob
to reset and automatically restart the trans-
ceiver.

16 FT-891 Operating Manual
Adjusting the display settings
Display Contrast
The LCD contrast may be adjusted using the Menu Mode.
1. Press and hold in the [F]key for one sec-
ond to activate the Menu mode.
2. Rotate the MULTI function knob to select
Menu Mode “02-01 [LCD CONTRAST]”.
3. Press the MULTI function knob, and then
rotate it to adjust the contrast. The contrast
change may be observed as the knob is ad-
justed.
4. When the adjustment is satisfactory, press the MULTI function knob.
5. Press the [F]key to save the new setting and exit the Menu mode to normal oper-
ation.
Display Dimmer
The LCD illumination level may also be adjusted using the Menu Mode.
1. Press and hold in the [F]key for one sec-
ond to activate the Menu mode.
2. Rotate the MULTI function knob to select
Menu Mode “02-03 [DIMMER LCD]”.
3. Press the MULTI function knob, and then
rotate it to adjust the display illumination for
a comfortable brightness level. The change
may be observed as the knob is adjusted.
4. When the adjustment is completed, press the MULTI function knob.
5. Press the [F]key to save the new setting and exit the Menu mode to normal oper-
ation.

17FT-891 Operating Manual
Front Panel Controls & Switches
FT-891
MODE
HF/50MHz TRANSCEIVER
①②
③④⑥⑦⑧⑩ ⑤
⑪ ⑫ ⑬ ⑭
⑮
⑰
⑯
⑨
LCD Display
The LCD (Liquid Crystal Display)shows the operating frequency and indicates of the
status of other transceiver functions.
TX/BUSY Indicator
The Indicator glows green: While the squelch opens on receiving signals.
The Indicator glows blue: While Zeroing during CW mode.
On receiving a signal with a CTCSS/DCS tone matching
the squelch tone code setting of the transceiver.
The Indicator glows red: When transmit is engaged.
[PWR/LOCK]key
Press and hold this key to turn the transceiver ON or OFF.
Briefly press the key while the transceiver is ON to engage the MAIN DIAL knob lock.
This key toggles the MAIN DIAL knob lock ON/OFF.
[FAST]key
Press this key to change the tuning of the MAIN DIAL to a higher step rate.
The “ ” will be displayed at the bottom right corner of the screen.
The tuning steps for the MAIN DIAL knob are set at the factory to 10 Hz -100 Hz
for one step and 20 kHz for each dial rotation, in the SSB/AM/CW/RTTY/DATA Mode
(One kHz for each step and 200 kHz for each dial rotation in the FM Mode).

18
Front Panel Controls & Switches
FT-891 Operating Manual
[BAND (MODE)] key
● Press this key to display the “BAND SELECT” screen (Operating band selection
screen).
Rotate the MAIN DIAL knob to select the desired frequency band (operating
band).
The selected frequency band will be set automatically in one second and the display
will return to normal operation.
● Press and hold this key to display the “MODE SELECT” screen.
Rotate the MAIN DIAL knob to select the radio modulation form (operating
mode).
The selected operating mode will be set automatically in one second and the dis-
play will return to normal operation in the selected operating mode. (The mode is
automatically preset for each operating band, it is only necessary to set “MODE
SELECT” when a change is desired).
[A/B]key
Pressing this key momentarily, exchanges the frequency and memory channel data
of VFO-A and VFO-B.
Press and hold this key for one second to set VFO-A and VFO-B to the same frequen-
cy and data values.
[V/M]key
This key toggles frequency control between the VFO and the memory systems.
● When the memory channel data is recalled, the previously selected Memory channel
number is displayed like “ ”.
● Rotate the MULTI function knob to change the memory channel number.
● While operating on a memory channel, if the MAIN DIAL knob is turned, the
“Memory Channel Number” will be replaced by the MEMORY TUNE indicator “ ”;
this indicates that the operating frequency of the Memory Channel is temporarily
changed. Pressing the [V/M]key while in the MEMORY TUNE state will restore the
previous memory channel data.
[V
u
M]key
This key is used to save the data from VFO-A to a memory channel.
Press this key to display the “MEMORY CHANNEL” list screen.
Rotate the MULTI function knob to select the desired memory channel.
Press this key again to copy the VFO-A operating data to the selected memory
channel.
● When the “MEMORY CHANNEL” list screen is displayed, press the [A]/[B]/[C]
key to edit the selected memory channel.
[M
u
V]key
This key will copy the saved data from a written memory channel to VFO-A.
Press this key to display the “MEMORY CHANNEL” list screen.
Rotate the MULTI function knob to select the desired previously written memory