W Voice Receiving; Aan An Eaaa - Icom IC-707 Instruction Manual

17
3 OPERATION
Wi Voice receiving
[RIT] switch
If required, to compen-
sate for an off fre-
quency or frequency
drift, activate the RIT
function.
[PREAMP/ATT] switch
Used when a receive signal is weak
or when a signal is distorting.
According to receiving condition,
activate the preamp or attenuator.
: Required operations
[|] : Convenient functions
[RIT] control
Rotate to shift the re-
ceive frequency to ob-
tain clear audio.
[PHONES] Jack
Connect headphones, if
required.
[SQL] control
To mute noise when no
signal is received, rotate
to the 12 o'clock position.
[NB] switch
For reducing pulse-type
noise, activate the noise
blanker.
Basic voice receiving Practical modes
1) Turn the [POWER] switch to the ON position. ~ LSB mode: For SSB mode operation on the 7 MHz
band and below, select "LSB."
2) Rotate the [AF] control clockwise to adjust the — USB mode: For SSB mode operation on the 10
desired audio output level. MHz band and above, select "USB."
— AM mode: For AM mode operation or broadcasting
3) Refer to "Practical modes" at right and select an station receiving, select "AM." o
operating mode. — FM mode: When an optional UI-9 FM UNIT is in-
MODE Stalled, "FM" is selectable. Refer to p. 35.
CO — FM tone mode: When an optional UI-9 and UT-30
| PROGRAMMABLE TONE ENCODER UNIT is installed,
LSBUSB AMFM-T roa "FM-T" is selectable. Refer to pgs. 22, 35.
E
4) Rotate the main dial to select an operating fre- Useful functions for each mode
quency in your allowed range for each mode. Refer to p. 18 for each function.
— LSB and USB modes :RIT function
5) If receive audio is not clear or includes noise, use Preamp
"RX" appears. Squelch
— AM mode : Preamp
wg, ATT Attenuator
LOCK, f, d min e rms . . a Squelch
— FM and FM tone modes: Squelch
The S/RF indicator shows receive Preamp
signal strength. Attenuator