Icom IC-7610 Instruction Manual advanced - Page 13

Adjusting the Drive Gain level, IP Plus function - driver

Page 13 highlights

2. ADVANCED OPERATIONS Adjusting the Drive Gain level Adjust the transmitter level at the driver stage. This reduces distortion in the transmitting signal. LThis function can be used in all modes, except in the SSB with the Speech Compressor OFF. 1. Touch the meter to display the ALC meter. ALC meter 2. Push QUICK . 3. Touch "Drive Gain." IP Plus function The IP Plus function improves the Intermodulation Distortion (IMD) quality by optimizing the direct sampling system performance. This function optimizes the Analog/Digital Converter (ADC) against distortion when you receive a strong input signal. It also improves the Third-order Intercept Point (IP3) while minimizing the reduction of the receiver sensitivity. Touch [IP+] on the side menu to turn the IP Plus function ON or OFF. ON: Prioritizes the IP quality. OFF: Prioritizes the receive sensitivity. 4. Hold down [PTT] (or push TRANSMIT ). ••The TX/RX indicator lights red and is displayed. 5. Rotate MULTI to adjust the Drive Gain level. LAdjust until the meter reading swings between 30 to 50% of the ALC scale, when speaking into the microphone at your normal voice level or keying a CW key. 6. Release [PTT] (or push TRANSMIT ). ••Returns to receive. 9

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101

9
2. ADVANCED OPERATIONS
Adjusting the Drive Gain level
Adjust the transmitter level at the driver stage.
This reduces distortion in the transmitting signal.
L
This function can be used in all modes, except in
the SSB with the Speech Compressor OFF.
1.
Touch the meter to display the ALC meter.
ALC meter
2. Push
QUICK
.
3. Touch “Drive Gain.”
4.
Hold down [PTT] (or push
TRANSMIT
).
• The TX/RX indicator lights red and
is displayed.
5. Rotate
MULTI
to adjust the Drive Gain level.
L
Adjust until the meter reading swings between 30
to 50% of the ALC scale, when speaking into the
microphone at your normal voice level or keying a
CW key.
6. Release [PTT] (or push
TRANSMIT
).
• Returns to receive.
IP Plus function
The IP Plus function improves the Intermodulation
Distortion (IMD) quality by optimizing the direct
sampling system performance.
This function optimizes the Analog/Digital Converter
(ADC) against distortion when you receive a strong
input signal. It also improves the Third-order Intercept
Point (IP3) while minimizing the reduction of the
receiver sensitivity.
Touch [IP+] on the side menu to turn the IP Plus
function ON or OFF.
ON
:
Prioritizes the IP quality.
OFF
:
Prioritizes the receive sensitivity.