INTRODUCTION
Yaesu FT-8900R Operating Manual Expanded Edition (courtesy of W5JCK) Page 7 of 77
Press the adjoining knob momentarily to switch the Main band to the side where the
knob is located.
When in the Memory mode, press this knob to enable rapid tuning (in 10 channel
steps) using this knob.
When in the VFO mode, press this knob to enable rapid tuning (in 1 MHz steps) using
this knob.
When in the VFO mode, press and hold in this knob for ½ second to toggle the
operating band as follows:
29 MHz → 50 MHz → 144 MHz → 350 MHz → 430 MHz → 850 MHz
(2) Left and Right VOL Knobs
The VOL (Volume) control adjusts the speaker audio level for the adjoining receiver.
Clockwise rotation increases the audio level.
Press this knob momentarily to switch the Internet Connection feature on and off.
(3) Left and Right SQL Knobs
The SQL (Squelch) control is used to silence background noise on the adjoining receiver.
Clockwise rotation decreases the squelch level.
It should be advanced clockwise just to the point where the noise is silenced (and the
indicator on the display turns off), so as to provide the best sensitivity to weak
signals.
(4) Hyper Memory Buttons …
Press and hold in one of these buttons for 2 seconds to store the current total
configuration of the radio into a special Hyper memory bank.
Press the appropriate button momentarily to recall the desired Hyper memory.
(5) Left and Right Side Key
The left side keys
function as LOW, V/M,
HM, and SCN.
The right side keys may
be set to function as
LOW, V/M, HM, and SCN
(default) or as MHz, REV, TONE, and SUB
( ).
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