Changing Frequency Step (Auto) - AOR AR8000 Operating Manual

The speed of tuning may be increased by a factor of x10 while the "F" function
legend is displayed (by using the [FUNC] key).
6-9 Changing frequency STEP size (AUTO)
The specification for channel occupancy, step (separation) and mode are
decided by and allocated by departments of Government following
International discussions.
Not surprisingly the allocation of frequency bands are not the same all over the
world and channel separation (step) varies from band to band. As an example
the channel separation (step) for the medium wave band in Europe is 9 kHz
while in the U.S.A. it is 10 kHz.
For the above reasons it is necessary to alter the STEP size according to local
bandplan conventions. The AR8000 has been preprogrammed at the factory
with all the bandplan data (specific to each market area) so that the AR8000
will automatically select the appropriate step size and mode for the frequency
chosen. This greatly simplifies operation of the receiver while you are
familiarising yourself with all the facilities.
The preprogramming of step size may be manually overridden so you may
choose alternative settings at will or when bandplans are updated.
Should you wish to change the default step size press [FUNC] [2].
The third line of the LCD will flash the current default
size (perhaps "25.00" kHz) and the word "AUTO" to
indicate default operation.
The fourth line of the LCD has the legend "STEP
SET" to indicate that the AR8000 is expecting you to
change the step size.
In NEWUSER mode, the [DIAL] is used to alter the
STEP size. The sizes available being: 0.05 kHz (50 Hz), 0.1 kHz (100 Hz), 0.2
kHz (200 Hz), 0.5 kHz (500 Hz), 1.00 kHz, 2.00 kHz, 5.00 kHz, 6.25 kHz, 9.00
kHz, 10.00 kHz, 12.50 kHz, 20 kHz, 25.00 kHz, 30 kHz, 50 kHz, 100.00 kHz,
200.00 kHz, 250 kHz, 500.00 kHz.
When the desired step size is displayed press [ENT] to accept the new step
size.
Active frequency must be divisible by step size
There is just one small point to bare in mind, the active frequency must be
divisible by the step size... in 99% of cases they will be. However, should you
start experimenting with different step sizes (especially when in EXPERT
mode) you may notice the active frequency change automatically to the
nearest multiple of step size as the AR8000 calculates automatically for you,
there is no need to carry a calculator!