Time-Out Timer; Microphone Sensitivity; Setting Receiving Filters - Kenwood TH-D74A User Manual

TIME-OUT TIMER

The Time-out Timer limits the duration you transmit. Just
before the transceiver stops the transmitting, a warning beep
sounds. This function is necessary to protect the transceiver
from thermal damage and can therefore not be turned OFF.
1 Access Menu No. 111.
2 Select [0.5], [1.0], [1.5], [2.0], [2.5], [3.0], [3.5], [4.0], [4.5],
[5.0], or [10.0] minutes.

MICROPHONE SENSITIVITY

Change the microphone input sensitivity. The microphone
input sensitivity setting applies to both the internal
microphone and an external microphone.
1 Access Menu No. 112.
2 Select [Low], [Medium], or [High].

SETTING RECEIVING FILTERS

Reduce interference and noise in SSB mode, CW mode, and
AM mode to make the received sound easier to hear.
SSB High Cut
1 Press [MODE] to set SSB mode in band B.
2 Access Menu No. 120.
3 Select [2.2], [2.4], [2.6], [2.8], or [3.0] kHz ranges. Low cut
is fixed to 200 Hz.
CW Bandwidth
1 Press [MODE] to set CW mode in band B.
2 Access Menu No. 121.
3 Select [0.3], [0.5], [1.0], [1.5], or [2.0] kHz ranges. The
center of the filter is the pitch frequency.
AM High Cut
1 Press [MODE] to set AM mode in band B.
2 Access Menu No. 122.
3 Select [3], [4.5], [6.0], or [7.5] kHz ranges. Low cut is fixed
to 200 Hz.
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