SECTION 5 ADJUSTMENT PROCEDURES
5-1 PREPARATION
When adjusting the contents on page
Some adjustments must be performed on the “ADJUSTMENT MODE”. Entering the “ADJUSTMENT MODE”, refer to the next page in detail.
■REQUIRED TEST EQUIPMENT
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| EQUIPMENT |
| GRADE AND RANGE | EQUIPMENT | GRADE AND RANGE | ||
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| DC power supply |
| Output voltage | : 13.8 V DC | Audio generator | Frequency range | : |
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| Current capacity | : 25 A or more | Output level | : | ||
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| Measuring range | : | Attenuator | Power attenuation | : 50 or 60 dB |
| RF power meter |
| Frequency range | : | Capacity | : 150 W or more | |
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| (terminated type) |
| Impedance | : 50 Ω |
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| Frequency range | : | |||
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| SWR | : Less than 1.2 : 1 | Standard signal | ||
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| Output level | : 0.1 | |
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| Frequency range | : | generator (SSG) | ||
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| Frequency counter |
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| Frequency accuracy | : ±1 ppm or better |
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| DC voltmeter | Input impedance | : 50 kΩ /V DC or better | |||
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| Sensitivity | : 100 mV or better | |||
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| FM deviation meter |
| Frequency range | : | Oscilloscope | Frequency range | : |
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| Measuring range | : 0 to ±5 kHz | Measuring range | : | ||
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| Digital multimeter |
| Input impedance | : 10 MΩ /V DC or better | AC millivoltmeter | Measuring range | : 10 |
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• CONNECTION
Standard signal |
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generator | Attenuator |
CAUTION!
DO NOT transmit | while | connector | |||||||||||
an SSG is connected to | |||||||||||||
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the antenna connector. |
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| antennato | |||
Distortion meter |
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Speaker |
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| Ammeter | |||||
[MIC] connector |
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Audio |
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| AC millivolt |
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generator |
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1 | 8 |
| to [CONTROLLER] |
| to [SP] |
| PTT |
RC-26
FM deviation meter
Spectrum scope
RF power meter
Frequency counter
100 Ω load
(SWR 2 dumy load)
DC power supply
5 - 1