ADJUSTMENT
Common Section
| Item | Condition | Measurement |
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| Adjustment | Specifications/ | |||||||||
Test equipment |
| Unit | Terminal | Unit | Parts | Method | Remarks | ||||||||||
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1.Setting and | Connect the optional | LCD total illumination display |
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| Initial configuration displayed after | |||||||||
resetting | DC cable to the power supply. |
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| the |
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| DC IN terminal voltage: 13.8V |
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| 1) Total illumination display |
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| confirmation |
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| Turn the Transceiver Power ON by pressing the power switch while the [F] key is pressed. |
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| While the [F] key is pressed, all LCD segments light. |
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| 2) |
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| After confirming that all LCD segments have lighted described in the Step 1 above, release |
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| the [F] key, and then press the [F] key twice while “FL.RST?” appears on the display. |
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2 VCO | After removing 3 screws fixing |
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Lock voltage | the |
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Check | the |
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| unit (A/3). |
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| 1) Frequency: 136.000MHz | DVM | LV |
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| Check | 0.7V or more | |||||||||
| RX | 2) Frequency: 173.990MHz |
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| (A/3) |
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| 4.3V or less | ||
| TX | TX power: Low |
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| 1) Frequency: 136.000MHz |
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| 0.7V or more | |
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| PTT: ON |
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| 2) Frequency: 173.990MHz |
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| 4.3V or less | |
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| PTT: ON |
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| After observing the VCO |
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| lock voltage, connect the |
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| original position. |
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3.TX frequency | 1) TX power: Low | f. counter |
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| ANT | VR1 | 145.990MHz | ±150Hz | |||||||||
Adjust | Frequency: 145.990MHz |
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| (A/3) |
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| PTT: ON |
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4.Overvoltage | Switch to Adjustment mode |
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warning | and carry out the operations |
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reference | for adjustment item A. |
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voltage | (Refer to page 28) |
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Adjust/Check | 1) LCD display: DC | DC power supply |
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| [MENU] | Write |
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| Frequency: 145.050MHz |
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| (E, E3) |
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| Frequency: 146.050MHz |
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| (K, K2, M, M2) |
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| DC IN terminal voltage: 14.8V |
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| To exit from the Adjustment |
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| Mode, turn the transceiver |
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| power OFF and then ON. |
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| 2) Frequency: 145.050MHz |
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| Check | Alarm sound and | ||
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| display “DC ERR” | |
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| Frequency: 146.050MHz |
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| message. | |
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| (K, K2, M, M2) |
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| DC IN terminal voltage: 17.5V |
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35