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
MEASUREMENT
UNIT | LOCATION |
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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 5 | Multi | Connect the SINAD meter | Minimum distortion | |||
[BPF T2 C] | ||||||||
| • Connect the SSG to the antenna connec- | connec- | with an 8 Ω load to the JIG | level | ||||
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| tor and set as; |
| tor | cable. |
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| Frequency | : 155.000 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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[BPF T1 | H] | 2 | • Channel | : CH 6 |
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[BPF T2 | H] |
| Frequency | : 136.000 MHz |
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| • Receiving |
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[BPF T1 | L] | 3 | • Channel | : CH 7 |
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[BPF T2 | L] |
| Frequency | : 174.000 MHz |
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| • Receiving |
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| CONVENIENT: |
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| The "RECEIVE SENSITIVITY" can be adjustment automatically. |
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| 1: Put the cursor on "BPF T1 C/L/H ALL" or "BPF T2 C/L/H ALL" and then push [ENTER] key. | ||||
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| 2: The connected PC tunes BPF's to peak levels automaticaly. |
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| or |
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| 1: Put the cursor on the one of "BPF T1 C/L/H" and "BPF T2 C/L/H" as desired. |
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| 2: Push [ENTER] key to start tuning. |
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| 3: Repeat 1 and 2 to perform additional BPF tuning. |
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1 | • Channel | : CH 6 | Push the [ENTER] key on the connected PC's keyboard to set | |||
[RSSI] |
| • Connect the SSG to the antenna connec- | "S3" level. |
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| 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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| 2 | • Set the SSG as; | : | Push the [ENTER] key on the connected PC's keyboard to set | ||
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| Level | "S1" level. |
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| • Receiving |
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SQUELCH | 1 | • Channel | : CH 5 | External | Connect an 8 Ω speaker to | Set the [SQL] to the |
[SQL] |
| • Close the squelch by adjusting the value of | speaker | the JIG cable. | value that the audio | |
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| [SQL] item on the |
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| signals just appears. | |
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| • Connect the SSG to the antenna connec- |
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| tor and set as; |
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| Frequency | : 155.000 MHz |
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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.
6 - 6
