SOFTWARE ADJUSTMENT – continued
Select an operation using [↑] / [↓] keys, then set specified value using [←] / [→] keys on the connected computer keyboard.
ADJUSTMENT |
| ADJUSTMENT CONDITION |
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| MEASUREMENT | VALUE | ||||
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| UNIT | LOCATION | |||||||
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RX |
| 1 | • Operating freq. : | 136.000 MHz |
| MAIN | Connect a SINAD meter with a | Minimum distortion | ||
SENSITIVITY |
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| • IF bandwidth | : Wide |
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| 4 Ω load to the external [SP] | level |
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[BPF T1], |
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| • Connect a standard signal generator to |
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[BPF T2] |
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| the antenna connector and set as: |
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| Frequency | : | 136.000 MHz |
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| Level | : | 10 µV* |
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| Modulation | : | 1 kHz |
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| Deviation | : ±3.5 kHz | [N/W] |
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| ±2.8 kHz | [N/M] |
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| • Receiving |
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| CONVENIENT: |
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| The BPF |
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SQUELCH |
| 1 | • Operating freq. : | 155.000 MHz |
| Rear | Connect a SINAD meter with a | Set “SQL level” to | ||
LEVEL |
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| • IF bandwidth | : Narrow |
| panel | 4 Ω load to the external [SP] | close squelch. | ||
[SQL] |
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| • Connect an SSG to the antenna con- |
| jack. | Then set “SQL level” | ||||
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| nector and set as: |
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| at the point | where | |||
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| Frequency | : | 155.000 MHz |
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| the audio | signals | |||
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| Level | : | 0.2 µV* |
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| just appears. | |||||
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| Modulation | : | 1 kHz |
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| Deviation | : ±1.75 kHz |
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| • Receiving |
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*The output level of the standard signal generator (SSG) is indicated as the SSG’s open circuit.
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