6-4 RECEIVE ADJUSTMENT
Select an adjustment item using [↑] / [↓] keys, then set to the specified value using [←] / [→] keys on the connected PC’s keyboard.
ADJUSTMENT
ADJUSTMENT CONDITION
UNIT
LOCATION
VALUE
RECEIVE | NOTE: “RECEIVE SENSITIVITY” must be adjusted before | ||||||
SENSITIVITY |
| adjusted properly. |
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[BPF (T1) C] |
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1 | • Channel | : CH 3 | SP jack | Connect the SINAD meter | Minimum distortion | ||
[BPF (T2) C] | |||||||
| • Connect the SSG to the antenna connec- |
| with an 4 Ω load to the SP | level | |||
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| tor and set as; |
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| jack. |
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| Frequency | : 136.000 MHz |
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| Level | : +20 dBµ† |
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| Modulation | : 1 kHz |
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| Deviation | : ±3.5 kHz |
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| • Receiving |
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| CONVENIENT: |
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The “RECEIVE SENSITIVITY” can be adjusted automatically.
1:Put the cursor on “[BPF C ALL]” and push [ENTER] key.
2:The connected PC tunes BPF’s to peak levels automaticaly.
| 1 | • Channel | : CH 3 | Push the [ENTER] key on the connected PC’s keyboard to set | |||
(S3 level) |
| • Connect the SSG to the antenna connec- | “S3” level. |
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[RSSI] |
| tor and set as; |
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| Frequency | : 136.000 MHz |
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| Level | : +23 dBµ† |
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| Modulation | : 1 kHz |
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| Deviation | : ±3.5 kHz |
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| • Receiving |
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(S1 level) | 2 | • Set the SSG as; | : | Push the [ENTER] key again to set “S1” level. | |||
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| Level |
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| • Receiving |
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SQUELCH | 1 | • Channel | : CH 3 | External |
| Connect an 4 Ω speaker to | Close the squelch by |
[SQL] |
| • Close the squelch by adjusting the value of | speaker |
| the SP jack. | increase the value of | |
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| [SQL] item on the |
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| [SQL]. | |
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| • Connect the SSG to the antenna connec- |
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| Set the [SQL] to the | |
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| tor and set as; |
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| value that the audio |
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| Frequency | : 136.000 MHz |
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| signals just appear. |
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| Level | : |
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| Modulation | : 1 kHz |
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| Deviation | : ±3.5 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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