User's Manual
-13 -
POWER OPER.
METER
Pr
VD ALC
OFF STBY
BAND
AUTO
MAN’L
ON AIR
FAN
ID
PROT
Pf/kW
HF SOLID STATE LINEAR AMPLIFIER HL-
2500FX
MAN’L
1.8
3.5
7
10
14
18/21
24/28
50
Pr/VD/ID/A
LC
OUTPUT
HI
LO
ANT
A
B
ID
POWER OPER.
METER
Pr
VD ALC
OFF STBY
BAND
AUTO
MAN’L
ON AIR
FAN
ID
PROT
Pf/kW
HF SOLID STATE LINEAR AMPLIFIER HL-
2500FX
MAN’L
1.8
3.5
7
10
14
18/21
24/28
50
Pr/VD/ID/A
LC
OUTPUT
HI
LO
ANT
A
B
ID
9 Operation
9-A Quick Learning / About Status Modes
1) STBY (Stand-by) Mode
1.8MHz AUT-CIV ANT-A
STBY Temp35C OUT_Hi
POWER OPER.
METER
Pr
VD
ALC
OFF STBY
BAND
AUTO
MAN’L
ON AIR
F
AN
I
D
PROT
Pf/kW
HF SOLID STATE LINEAR AMPLIFIER HL-
2500FX
M
AN’L
1.8
3
.5
7
10
1
4
1
8/21
2
4/28
5
0
Pr/VD/ID/A
L
C
OUTPUT
HI
LO
ANT
A
B
I
D
This is a status when POWER switch is only
turned on. RF path is in THRU (or by-pass), and
DC supply to FET drain is shut down. You may
change BAND and other settings at this state.
2)
OPER
(Operate) Mode
1.8MHz AUT-CIV ANT-A
OPER Temp35C OUT_Hi
POWER OPER.
METER
Pr
V
DALC
OFF STBY
BAND
AUTO
MAN’L
ON AIR
FAN
I
D
P
ROT
Pf/kW
H
F SOLID STATE LINEAR AMPLIFIER HL-
2500FX
M
AN’L
1.8
3
.5
7
10
14
18/21
24/28
50
Pr/VD/ID/A
L
C
OUTPUT
HI
LO
ANT
A
B
ID
This is a status when POWER switch is turned on,
and OPER/STBY switch is tuned to OPER. RF
path is in THRU, and amp is turned into ON-AIR,
as the radio’s PTT is switched on. You may change
BAND setting at this state.
3) ON-AIR(On-Air) Mode
1.8MHz AUT-CIV ANT-A
ONAR Temp35C OUT_Hi
This is a status when transceiver’s PTT is switched
on, while POWER is turned on and OPER/STBY
switch is turned to OPER. The amp is ready to
amplify the driving signal from the transceiver.
You may not change BAND and other setting at
this state.
送信
4) PROT (Protection) Mode
1.8MHz AUT-CIV ANT-A
PROT Over Heat
This is a status when PROTECTION circuit has
tripped to shut off the amplifier. RF path becomes
THRU, and internal circuitry may be shut down
according to kinds of protections. Detailed
explanation will follow.
送信
CAUTION
For your safety, the amp can not start up, if
POWER switch is at OPER.Display below will
appear.
PSE STBY OPERSW!
Turn to STBY once and turn to OPER again
for reset.
There are four operation status modes of STBY, OPER, ON-
AIR, and PROT.