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SWR threshold value is, without changing the value, press and hold the
Func
button, and while
still holding the
Func
button, press the
L Dn
(Thresh) button. The display will show the
currently selected SWR threshold value.
While holding the
Func
button, the bargraph display will show the following pattern, to
indicate that the AT-100ProII is waiting for you to push a button to check its status:
The following status items can be checked:
Func Hold + This button
Status check
C Up / Peak
Display Peak/Avg setting
C Dn / Auto
Display Auto/Semi setting
L Up / Scale
Display Power meter scale
L Dn / Thresh
Display SWR tuning threshold
ANT / HiLoZ
Display High / Low Impedance
APPLICATION NOTES
Mobile Operation
The AT-100ProII is perfectly suited to mobile operation. It can be installed under the
dashboard along with the transceiver, or mounted remotely. The only requirements are that the
tuner remains dry, and that the power source is fused appropriately. A 2 amp “fast blow” fuse is
recommended.
If the ICOM or Yaesu radio interface cable is needed for a remote installation, the optional
cables can be extended in two ways. The original cable can be cut, and jumper wires soldered
between all the connections, or new connectors can be purchased and a pair of homebrew
extender cables made with the new connectors.
With the AT-100ProII mounted, for example, in the trunk, simply set the AT-100ProII for
fully automatic mode. It will automatically tune any time the SWR exceeds the preprogrammed
threshold. Although the LED display will not be visible in the trunk of the car, your transceiver’s
Summary of Contents for AT-100ProII
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