Yaesu FT-891 Installation guide

[PWR/LOCK]key
Press and hold this key. àTurns the transceiver ON or OFF.
Briey press the key while the transceiver is ON. àthis key toggles
the MAIN DIAL knob lock ON/OFF.
FT-891 Quick Manual
[CLAR]key
Press this key. àRotate the MULTI function knob àAdjust the VFO-A RX
clarier offset value up to ±9.998 kHz.
This feature is ideal for following a drifting station, or for
setting the small frequency offsets sometimes utilized in DX
“Split” work.
○ The clarier offset value (frequency)can be restored to “0 (zero)” by pressing
the MULTI function knob for more than one second.
RF/SQL knob
Rotate this knob counterclockwise. à The background noise and the system gain will be reduced.
○ Rotate the knob slightly counter-clockwise to the point where the “stationary” meter indication is set
just about the same as the incoming noise level.
○ This control may be changed to function as the squelch control by selecting “SQL” on Menu Mode
“05-05 [RF/SQL VR]”.
AF Knob
The (inner)AF knob adjusts the receiver audio volume level of
the internal or external speaker. Clockwise rotation increases
the volume level.
MULTI function knob
● Adjusts the operating frequency of VFO-A in 500 kHz
Steps (except for AM and FM mode)
Repeatedly press this knob momentarily until the “ ” is
displayed. àRotate this knob.
● Adjusts the operating frequency of VFO-B
Repeatedly press this knob momentarily until the “ ” is dis-
played. àRotate this knob.
● Operates the [A]/[B]/[C]/[CLAR]key function
The default assignment of the [A] key is the IF SHIFT function.
Press the [A]key. à IF SHIFT pop-up screen appears à
Rotate this knob to Adjust the DSP lter passband.
○ Press and hold this knob to restore the IF SHIFT setting to
the factory default.
● Selects the Desired memory channel
When the “MEMORY CHANNEL” list screen is displayed,
the desired memory channel can be selected by rotating and
pressing this knob.
● Switches the function ON or OFF through the “Setting/
Function” Modes
Rotate this knob to operate “Setting/Function” Modes are
displayed by pressing [F]key.
- Menu Selection (Rotate this knob)
- Switching the function ON or OFF (Press this knob)
- Changing setting values (Press this knob and rotate it)
● ChangestheMenuModesettingvalues
[F]key
Press this key. à Switch through the “Setting/Function” Modes as follows
àFUNCTION-1 àFUNCTION-2 àCW SETTING à
○ Select the desired function from the “Function/Setting” Mode, and then press the MULTI function knob to switch
the function ON or OFF.
○ Assigns “Function/Setting” Modes to the [A]/[B]/[C] keys, rotate the MULTI function knob to select the desired
function on the “Setting/Function” Mode, and then press and hold the [A]/[B]/[C]key.
○ FM SETTING, REC SETTING and ATAS SETTING function screens may be enabled via Menu mode “05-10”,
“05-11” or “05-12”.
Press and hold this key. à Activating the Menu Mode.
MAIN DIAL
Rotate this knob clockwise to increases
the operating frequency and rotate it
counterclockwise to decrease the operat-
ing frequency.
○ Pressing the [FAST] key will change
the tuning of the MAIN DIAL to a high-
er step rate.
○ Pressing [PWR/LOCK] key briefly will
engage or release the DIAL knob lock.

TX/BUSY Indicator
The Indicator glows green: On receiving signals while the squelch opens.
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.
[QMB]key
Press and hold this key for more than one second to write the frequency and the data pres-
ently set for VFO-A onto the quick memory bank (QMB).
○ Once all 5 QMB memories have data on them, previous data will be over-written on a
rst-in, rst-out basis.
○ 5 QMB memory channels are provided. Press this key briey to recall the data written
onto the quick memory banks (QMB)one by one.
○ To change the frequency in the recalled quick memory bank (QMB), rotate the MAIN
DIAL.
[MuV]key
This key will copy the saved data from the written memory channel to VFO-A.
Press this key. à The “MEMORY CHANNEL” list screen is displayed. àPress the MULTI
function knob to select the desired channel àPress this key. àThe currently selected
memory channel data is copied to VFO-A.
[VuM]key
This key is to save the data from VFO-A to the memory channel.
Press this key. à The “MEMORY CHANNEL” list screen is displayed. àPress the MULTI
function knob to select the desired channel. àPress this key. à The current operating
data is copied 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.
[V/M]key
This key toggles frequency control between the VFO and the memory systems.
○ When the memory channel data is recalled, the Memory channel number is displayed
like “ ”. The previously selected Memory Channel is recalled.
○ Rotate the MULTI function knob to change the memory channel number.
○ While operating on a memory channel, Rotate MAIN DIAL. à the “Memory Channel
Number” will be replaced by the MEMORY TUNE indicator “ ”.
“ ” indicates that the operating frequency in the Memory Channel is temporarily
changed.
Press
[V/M] key in this state. àPrevious memory channel data is restored.
[A/B]key
Press this key. à The frequency and memory channel data, of VFO-A and VFO-B are ex-
changed.
Press and hold this key. à The frequency and data values of VFO-A are copied to VFO-B.
[BAND(MODE)] key
Press this key. à The “BAND SELECT” screen will appear in the display. àRotate the
DIAL knob to select the desired frequency band (operating band). àThe selected frequen-
cy band is set automatically in one second and the display returns to normal operation.
Press and hold this key. à The “MODE SELECT” screen will appear in the display. à Ro-
tate the DIAL knob to select the radio modulation form (operating mode). àThe selected
mode is set automatically in one second and the display returns to normal operation.
[FAST]key
Pressing this key will change the tuning of the MAIN DIAL to a higher step rate.
Press this key. à“ ” is displayed. àThe main dial frequency tuning rate doubles.
[A]/[B]/[C]keys
These three keys are user programmable, allowing quick access to often used features.
○ [A]/[B]/[C] keys are assigned the following functions as default settings:
● [A](SFT): IF SHIFT function
IF SHIFT permits moving the DSP lter passband higher or lower, without changing the pitch of the incom-
ing signal, and thus reduces or eliminates interference.
Press this key à The IF SHIFT screen will appear in the display àRotate the MULTI function knob to the
left or right to reduce interfering signals.
Press and hold the MULTI function knob to restore the IF SHIFT setting to the factory default.
● [B](SCP): The SCOPE function
The SCOPE function provides a spectrum display of the band conditions.
Press this key. àthe band condition (spectrum) is displayed.
When the SCOPE function is active, the [A]/[B]/[C] keys are automatically changed to the below operations.
[A](SPN) key: This key changes the displayed bandwidth. Available selections are 750 kHz, 375 kHz,
150 kHz, 75 kHz, or 37.5 kHz ranges.
[B](SWP) key: Each time the [B](SWP) key is pressed, a new scan of the spectrum scope is shown on
the LCD display.
[C](LV1-3) key: This key changes the reference level.
○ While the Spectrum Scope is activated, Press the MULTI function knob, and then rotate it to adjust the
operating frequency tuning steps of VFO-A by the 500 kHz.
● [C](NB): Noise Blanker function
The IF Noise Blanker can signicantly reduced noise that is caused by automotive ignition systems.
YAESU MUSEN CO., LTD.