Receiving And Transmitting - Icom ic-7300 Full Manual

Section 4
Convenient for receiving ......................................... 4-2
D All operating modes ........................................ 4-2
D SSB, CW, RTTY, and AM modes .................... 4-2
D SSB, AM and FM modes ................................ 4-2
D SSB-D, CW and RTTY modes ........................ 4-2
D CW mode ........................................................ 4-2
Convenient for transmitting..................................... 4-2
D SSB, AM and FM modes ................................ 4-2
D SSB mode ....................................................... 4-2
D CW mode ........................................................ 4-2
Preamplifiers........................................................... 4-3
Attenuator ............................................................... 4-3
RIT function ............................................................ 4-3
D RIT monitor function ........................................ 4-3
AGC function control .............................................. 4-4
D Selecting the AGC time constant
preset value .................................................... 4-4
D Setting the AGC time constant ........................ 4-4
Using the Twin PBT ................................................ 4-5
Selecting the IF filter ............................................... 4-6
Selecting the IF filter shape .................................... 4-6
IP Plus function ....................................................... 4-7
Noise Blanker ......................................................... 4-8
D Adjusting the NB level and time ...................... 4-8
Noise Reduction ..................................................... 4-9
D Adjusting the Noise Reduction level ............... 4-9
Notch Filter ............................................................. 4-9
D Auto Notch function ........................................ 4-9
D Manual Notch function .................................... 4-9
VOX function ........................................................ 4-10
D Adjusting the VOX function ........................... 4-10
D Turning ON the VOX function ....................... 4-10
∂TX function ......................................................... 4-11
D ∂TX monitor function .................................... 4-11
Monitor function .................................................... 4-11
Setting the Speech Compressor........................... 4-12
Split frequency operation ...................................... 4-13
D Using the Quick Split function ....................... 4-13
D Using the receive and transmit frequencies
set to VFO A and VFO B ..............................4-13
Split Lock function ................................................ 4-14
Setting the transmit filter width ............................. 4-14
Operating CW ....................................................... 4-14
D Setting the CW pitch control ......................... 4-14
D Setting the key speed ................................... 4-15
D About the Break-in function .......................... 4-15
D CW Auto Tuning function .............................. 4-16
D About the CW Reverse mode ....................... 4-16
D Electronic Keyer function .............................. 4-17
D Monitoring the CW side tone ........................ 4-17
D Sending from the Memory keyer (KEYER) ... 4-18
D Keyer memory edit menu (EDIT) ................. 4-19
D Contest number menu (001 SET) ................. 4-20
D Keyer set menu (CW-KEY SET) ................... 4-21

RECEIVING AND TRANSMITTING

Operating RTTY (FSK) ............................................ 4-22
D About the RTTY reverse mode ........................ 4-22
D Twin Peak Filter ............................................... 4-22
D Functions on the RTTY DECODE screen ........ 4-23
D Setting the decoder threshold level ................. 4-23
D Transmitting an RTTY memory content ........... 4-24
D Editing an RTTY memory ................................. 4-25
D Turning ON the RTTY log ............................... 4-26
D Viewing the RTTY log contents ........................ 4-26
D About the RTTY decode log set mode ............. 4-27
D About the RTTY decode set mode ................... 4-28
FM repeater operation ............................................. 4-29
D Setting the repeater tone frequency ................ 4-29
D Checking the repeater input signal .................. 4-30
Tone squelch operation ........................................... 4-30
Data mode (AFSK) operation .................................. 4-31
4-1