Receiver Controls And Switches - Icom IC -765 Instruction Manual

21
5 PRE-OPERATION
refer to this section while you are receiving.
a
TRANSMIT COMP MONI TUNER
AGC SWITCH (p. 31)
- OFF position:
Used when receiving a very weak signal.
- FAST position:
Normally used when receiving a signal in CW and
RTTY modes.
- SLOW position:
Normally used when receiving a signal in SSB or AM
modes.
VOX DELAY
FULL BK-IN
: GAIN -9-R
PREAMP/ATTENUATOR SWITCH [PRE] position:
Use when receiving weak signals. Set the switch to
the [PRE] position, the built-in preamp (approx.
10 dB) is activated to improve the S/N ratio and
sensitivity. Especially useful during DX operation.
{10dB] [20dB] [30dB] positions:
Used when the received sound from the speaker is dis-
torted by very strong signals. Set the switch to these
positions to activate the 10, 20, or 30 dB attenuator.
RX TONE CONTROL
Changes the audio output quality from the speaker.