SEA 235 - Changing the Tuner Status

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FUNCTION MENUS

CHANGING THE TUNER STATUS

Repeatedly press until “SETUP” is

displayed.

Pressing with “SETUP” displayed

will prompt the operator to “PRESS+-”.

Press the or key until “TUNER” is

displayed then press

Each press of the or key will change

the tuner setting. Press to select the

displayed setting.

Select “TNR ON” when the radio will be used

with a SEA 1612B, 1612C or 1635 antenna

tuner. The “LOW” indicator will appear on the

display to show the antenna is not tuned for full

output power. The tuner will “match” the

antenna when the operator does one of the

following:

Speaks into the microphone during

transmit

Holds the microphone PTT and presses the

key. The radio will output a

signal to “match” the antenna.

When the tuner has finished “matching” the

antenna, the VSWR will be displayed, the

“LOW” indicator will turn off and full power

will be transmitted.

Select “TNR OFF” when using a tuner that

does not supply a ground potential “TND”

signal. Pressing the key while the PTT

is held will not transmit a signal for “matching”

the antenna.

If the key is pressed at the “EXIT”

display, the tuner status is not changed.

NOTE

If the operator has set the radio to “LO PWR” or “VLO PWR” via the power

setup menu, and the tuner has found a “match”, the radio will not increase to full power

until the operator manually changes the output power to “HI PWR”.

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