Transmitter Operation; Ssb Transmission; Basic Setup/Operation; Adjusting The Transmitter Power Output - Yaesu FT-817 Operating Manual

T
RANSMITTER

Basic Setup/Operation

1. Press the
are operating on the 7 MHz or lower bands, select the LSB mode. If you are operating on
the 14 MHz or higher bands, select the USB mode.
2. Press the key momentarily, then rotate the
Function Row 9 [ PWR, MTR ] appears on the display, then press the
select the "ALC" meter function ("alc" will appear at the right side of the "MTR" icon).
3. Press the microphone's PTT switch, and speak into the microphone in a normal voice
while watching the meter. The ideal audio input level to the transmitter from the micro-
phone will cause a few "segments" of indication on the ALC meter. Release the PTT
switch to return to receive mode.
4. If the ALC meter is too high, or too low, you may need to reset the Microphone Gain:
Press and hold in the
Rotate the
Close the PTT switch, and while speaking into the microphone rotate the
knob until the proper ALC indication is achieved on voice peaks.
When done, press and hold in the
The [ TONE ] switch on the back of the MH-31
ment of the microphone's frequency response. Setting this switch to the "2" posi-
tion will roll off some of the bass response, resulting in improved "talk power" in many
instances. The "1" position is primarily used in countries like Japan, where vowel sounds
are of critical importance in conveying information; in Western languages, consonant
sounds (which are rich in high-frequency components) are frequently more important.
Four power levels are available on the FT-817: 5 Watts, 2.5 Watts, 1 Watt, and 0.5
Watt. When using Alkaline batteries or the optional FNB-72 Ni-Cd Battery Pack,
the microprocessor, detecting internal battery use, automatically sets the power level
to 2.5 Watts, which appears on the display as "
the power level icon is the same as for 2.5 Watt operation, but at 5 Watts the icon is
blinking. For 0.5 Watt, there is one "bar" to the right of the "L" in the power icon, and
for 1 Watt there are two "bars" displayed.
The power level is easy to change:
1. Press the
Function Row 9 [ PWR, MTR ] .
2. Press the
change, based on the power level you have set.
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O
PERATION
SSB T
/ key so as to select either SSB (LSB/USB) mode. If you
key for one second to enter the Menu mode.
knob to recall Menu #46 (SSB MIC).

Adjusting the Transmitter Power Output

key momentarily, then rotate the
( PWR ) key, as needed, to set the desired power level. The icon will
RANSMISSION
knob, as needed, until Operating
key to save the new setting for the Microphone Gain.
microphone provides adjust-
A8J
". If you set the power to five watts,
FT-817 Operating Manual
( MTR ) key to
knob to select Operating