HC-1500AT
13
10. Flow of Tuning Sequence
Auto tuning is completed after completing the following four steps of the tuning operation. These
steps are common for all the operating modes.
14MHz
WAIT
NON
C1=12 C2=19 ANT1
READY WARNING
Fast Blink
14MHz
STBY
NON
C1=12 C2=19 ANT1
READY WARNING
Slow Blink
14MHz
TUNE
NON
C1=12 C2=19 ANT1
READY WARNING
Slow Blink
14MHz
RADY
NON
C1=12 C2=19 ANT1
READY WARNING
Lights
14MHz
RADY
NON
C1=12 C2=19 ANT1
READY WARNING
Lights
Presetting
Stand-by
Tuning start
Tuning Finish
Linear Ready
When band (or freq.) is changed,
variable capacitors will shift to
best pre-set positions.
It takes a few seconds.
X-ceiver
RX (TX inhibit)
Linear
Thru (TX inhibit)
Pre-set finished, and ready for
auto tuning to start.
X-ceiver
RX (TX possible)
Linear
Thru
Receiving the carrier from the x-
ceiver, auto tuning starts.
Tuning finishes in a few seconds.
*For the frequency counter mode,
it is required to start up by
pressing ENTER button.
X-ceiver
TX possible
Linear
Thru
When auto tuning finishes,
READY lamp lights, and tuning is
completed.
X-ceiver
TX possible
Linear
Thru
RX
Thru
TX
TX
RX
Amp
ON
Returning to receive state once,
and if the x-ceiver is keyed, linear
will be ready to work.
X-ceiver
TX possible
Linear
TX possible
TRX
Linear
Transmit
Back to Receive Once