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For voice communications, press and hold Mic [PTT]
and speak into the microphone in your normal voice.
When you finish speaking, release Mic [PTT] to
receive.
To transmit CW, press [VOX (REV)] to turn the Break-
in function ON. “
” appears. Close the key or
keyer paddle. Connect a key or keyer paddle {page
2}, then select CW using [CW/FSK (REV)].
For a detailed explanation on transmitting, refer to
“BASIC COMMUNICATIONS”, beginning on page 21.
6(/(&7,1*75$160,66,2132:(5
It is wise to select a lower transmission power if
communication is still reliable. This lowers the risk of
interfering with others on the band. When operating
from battery power, selecting a lower transmission
power allows you more operating time before
recharging is necessary. This transceiver allows
you to change the transmission power even while
transmitting.
1 Press [PWR (TX MONI)].
• The current transmission power appears.
2 Turn the MULTI/CH control counterclockwise to
reduce the power or clockwise to increase the
power.
3 Press [PWR (TX MONI)] or [CLR] to complete the
setting.
Note: You can access Menu No. 48, and select “on” to change
the step size from 5 W to 1 W {page 56}.
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The microphone gain must be adjusted when SSB
or AM mode is selected without using the speech
processor {pages 21, 22}.
1 Press [MIC (CAR)].
• The current microphone gain level appears.
The range is from 0 to 100 with a default of 50.
2 Press and hold Mic [PTT].
• The TX-RX LED lights red.
3 SSB: While speaking into the microphone, adjust
the MULTI/CH control so that the ALC meter
reflects your voice level but does not exceed the
ALC limit.
AM: While speaking into the microphone, adjust
the
MULTI/CH control so that the power meter
slightly reflects your voice level.
FM: Access Menu No. 47 and select “1” (Normal),
“2” (Medium), or “3” (High) for the microphone gain
if necessary {page 21}.
4 Release Mic [PTT] to receive.
• The TX-RX LED lights green or turns off,
depending on the SQL control setting.
5 Press [MIC (CAR)] or [CLR] to exit the Microphone
gain adjustment.
Note: When using the MC-90 microphone in FM mode, select
“3” (High) for the microphone gain. The microphone sensitivity
is low in FM mode. This may cause insufficient modulation. For
other microphones, select either “1” (Normal) or “2” (Medium).