Icom IC-820H Instruction Manual page 16

17
4 BASIC OPERATION
a Basic FM operaiion
@ Make sure the initial settings are complete.
() Push [M/S] to select the desired band, YHF or
UHF, as the main band.
(3) Push [FM/RPT] to select FM mode.
- When pushing [FM/RPT] twice, duplex and tone is
turned ON simultaneously for the U.S.A. and Australia
versions. See p. 27 for setting the duplex direction.
oo00o
(4) Rotate [AF (MAIN)] clockwise to adjust the desired
audio output level.
() Rotate [SQL (MAIN)] clockwise until the audio
noise just disappears.
©) Rotate the tuning dial to set the desired frequency
- See p. 21 for frequency setting details.
~ When receiving a signal, the S/RF meter shows the
relative signal strength.
Blinks when an off-center signal is received.
eu
SIGNAL
Pa pe ennnn +6008
(SUB)
O RX RF OUTPUT 1 |
(® Pusn the PTT switch on the microphone to trans-
mit. Then, release the PTT switch to return to
receive.
Y;' onvenient functions for FM mode
Oy Attenuator a ge eck (pgs. 23, 39)
Y * Pre-amplitier (optional) ---+---+++-++-- (pgs. 23, 40)
Y * FM center indicator ---+---++--++-+++++- (pgs. 24, 40)
Y . Repeater operation ' PERE BLSGW ST UT oe ed Sere (p. 27)
Y + Split frequency Operation s--+esserrreerereees (p. 26)
ZY, * Tone squelch function (optional) --- (pgs. 26, 45)
aj Basic SSB operation
@ Make sure the initial settings are complete.
@ Push [M/S] to select the desired band, VHF or
UHF, as the main band.
(3) Push [SSB/CW] to select USB mode.
- USB mode is generally used for SSB phone operation
on the VHF and UHF bands.
- Pushing [SSB/CW] sequentially selects USB, LSB,
CW and the optional CW-Narrow mode.
@ Rotate [AF (MAIN)] clockwise to adjust the desired
audio output level.
- Adjust the [SQL (MAIN)] control when you want to
eliminate the floor noise.
() Rotate the tuning dial to set the desired frequency.
- See p. 21 for frequency setting details.
- When receiving a signal, the S/RF meter shows the
relative signal strength.
© Push the PTT switch on the microphone to trans-
mit. Then, release the PTT switch to return to
receive.
- When the [TX] indicator often lights brightly during
transmission (ALC activates), rotate the [MIC] control
counterclockwise.
Y Convenient functions for SSB mode
Yj
ZY: IE Shi TORCH: 2 teess-s-mieotinarenen coc taeaua (p. 24)
Yj RIT function igo) aw Selo ie lave laa sesibster wor 8 "el dam eisai att Soyeea ete Weare eae (p. 24)
j e Noise blanker ccceec rec eee eee eee cece eee ee eene ees (p. 23)
Y, e Attenuator dacdialengieloa Gres pig. aie 8. Gbceistolel oaa eee (pgs. 23, 39)
Y * Pre-amplifier (optional) ---+-+++++++++- (pgs. 23, 40)
Yy ° AGC fast Sie Rier Sasa! oat otis w oseraye' ote ie eresarere eis ated weveveiste aia (p. 23)
Yy * Speech compressor -++++++++++++° (pgs. 25, 26, 47)
Uy ° ALC indicator Soe) Sars de e~ayotarg cairns WeieSi save We ares levetemtarecs (p. 25)
Y * Split frequency operation ----++-+++reeeeeee (p. 26)