8
n
Emergency tuning
For the AT-130E, before operation, perform emer-
gency tuning setting.
R
WARNING!
NEVER touch internal parts while
transmitting. Stop transmitting when internal adjust-
ments are performed. 2182 kHz is used for distress
calls, etc. Listen on the frequency before transmitting.
q
Connect an SWR meter between an HF trans-
ceiver and the AT-130E.
w
Remove the top cover of the AT-130E.
e
Select 2182 kHz and AM (H3E) mode for the HF
transceiver.
• Refer to each transceiver’s instruction manual for de
-
tails.
CAUTION:
If another frequency is selected, the
AT-130E may be damaged.
13.6 V DC cable
Disconnect 13.6 V DC cable from
the [13.6] terminal. Reconnect
after emergency tuning.
Pin connections
Set the pin connections on J302, J324 and J325 to
obtain minimum SWR setting.
The letters, A–F, indicate the capacity of the tuning
condenser. “A” has the minimum capacity.
The condencer is
connected.
The condencer is
disconnected.
E
F
C
B
D
A
J302
J324
J325
r
Disconnect the 13.6 V DC cable from the [13.6]
terminal. Tape the end of the wire.
•
NEVER allow the 13.6 V DC cable end to touch any
other parts.
t
Disconnect all six pins on J302, J324 and J325 as
shown below.
y
Connect a red cable to a pin (J307–J322) where
minimum SWR reading is obtained.
u
Connect pins on J302, J324 and J325 to obtain a
minimum SWR reading.
• DO NOT transmit for more than 5 seconds
• “A” has the minimum capacity.
• Selection in alphabetical order may speedup tuning.
i
Connect the 13.6 V DC cable to the [13.6] termi-
nal.
o
Replace the top cover of the AT-130E.
Red cable positioning
J302 J324
J325
J302 J324
J325
Connect to a pin (J307−
J322) where a minimum
SWR reading is obtained.
Position the red
cable as shown.
J302, J324 and J325
Refer to below left
for details.
Incorrect cable
positioning.
8
3
INTERNAL SETTINGS
Содержание AT-130
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