Icom IC-F4160 Service Manual
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6-3 TRANSMIT ADJUSTMENTSelect an adjustment item using [↑] / [↓] keys, then set to the specified value using [←] / [→] keys on the connected PC's keyboard.ADJUSTMENT ADJUSTMENT CONDITION MEASUREMENT VALUEUNIT OPERATIONOUTPUTPOWER[Power (Hi)]1 • Channel• Transmitting: 5 ToppanelConnect an RF power meter tothe antenna connector.5.0 W[Power (L2)] 2 • Channel• Transmitting: 6 2.0 W[Power (L1)] 3 • Channel• Transmitting: 2 1.0 WMODULATIONBALANCE[BAL (Narrow)]1 • Channel• Preset [MOD Narrow]: 2: 80ToppanelConnect the FM deviation me-ter to the antenna connectorthrough an attenuator.Set to square wave form• No audio applied to the JIG cable.• Set an FM deviation meter same as;HPFLPFDe-emphasisDetector: OFF: 20 kHz: OFF: (P–P)/2• Push [P0] key while transmitting.FMDEVIATION(NARROW)[MOD N C]1 • Frequency : 7 ToppanelConnect the FM deviation me-ter to the antenna connectorthrough an attenuator.±2.05 to ±2.15 kHz• Connect an audio generator to the JIGcable and set as;Frequency : 1.0 kHzLevel : 150 mV rms• Set the FM deviation meter to same condi-tion as "MODULATION BALANCE."• Transmitting(NARROW)[MOD N L]2 • Channel• Transmitting: 8(NARROW)[MOD N H]3 • Channel• Transmitting: 9(WIDE)[MOD W C]4 • Channel• Transmitting: 2 ±4.05 to ±4.15 kHz(WIDE)[MOD W L]5 • Channel• Transmitting: 1(WIDE)[MOD W H]6 • Channel• Transmitting: 3(MIDDLE) †[MOD M C]7 • Frequency• Transmitting: 10 ±3.2 to ±3.3 kHz(MIDDLE) †[MOD M L]8 • Frequency• Transmitting: 11(MIDDLE)†[MOD M H]9 • Frequency• Transmitting: 12DIGITALDEVIATION*[MOD D C]1 • Frequency• Preset [Digital Mode]: 13: 7ToppanelConnect an FM deviation meter tothe antenna connector throughan attenuator.±1.35 to ±1.39 kHz• Set the FM deviation meter to same condi-tion as "MODULATION BALANCE."• Transmitting[MOD D L] 2 • Channel• Transmitting: 14[MOD D H] 3 • Channel• Transmitting: 15CTCSS/DTCSDEVIATION[CTCSS/DTCS]1 • Channel• CTCSS: 16: 151.4 HzToppanelConnect an FM deviation meter tothe antenna connector throughan attenuator.±0.68 to ±0.72 kHz• No audio applied to the JIG cable.• Set the FM deviation meter to same condi-tion as "MODULATION BALANCE."• Transmitting†; [EUR-01] only.*; Necessary only when the optional UT-119H or UT-126H is installed.6 - 5 |
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