AOR AR8000 Operating Manual page 79

The legend "BANK" is displayed on the left of the third line with a memory
location to the right. Either key in the desired memory location for storage via
the keypad or use the [DIAL] (the UP/DOWN keys change the cursor position
if you make a mistake).
Press [ENT] to accept the chosen memory location. The cursor moves to the
fourth line where a maximum seven character comment may be added. Use
the [DIAL] and UP/DOWN keys to change the text comment as desired then
press [ENT] to accept the complete entry. (If you do not wish to make a
comment just press [ENT] to skip the entry and accept the complete data).
The display returns to VFO mode with the same frequency displayed and
does not continue to search.
PASS frequencies in manual search mode
Although it is possible to manually register PASS frequencies (frequencies
that will be skipped and not searched such as blank carriers) they cannot be
entered automatically and will not be skipped in manual search mode.
DUPLEX stations A = B
Often services such as Marine, amateur band repeaters and utility services
including PMR (Private Mobile Radio) use DUPLEX frequencies. This means
that either a transmission is being re-broadcast on a different frequency by a
well sighted repeater station or the two halves of a conversation are taking
place on two frequencies (often simultaneously). This being different from
SIMPLEX where all transmissions take place on the same frequency.
The following example will make more sense when you have completed
the SEARCH section of this manual. We will assume that PROGRAM
SEARCH or MANUAL SEARCH has located an active 2m repeater output
transmission on 145.600 MHz, we know that the input will be on 145.000 MHz
(lets assume that the the duplex shift for this band is - 600 kHz).
Press [FUNC] [2VFO] to transfer the frequency to the
"active" VFO, the 2VFO mode will also appear on the
LCD. Press [FUNC] [2VFO] again to equalise the
VFO contents. Press [FUNC] [UP] [UP] so that the
cursor is highlighting the "6" after the decimal point.
Press [0] [ENT] to change the top frequency to
145.000 MHz. Press [2VFO] to bring the output
frequency of 145.6000 MHz to the active (top) VFO.
Each time the [2VFO] key is pressed, you will swap
between the repeater input and output frequencies.