Dataradio G3 설치 매뉴얼 - 페이지 16

{카테고리_이름} Dataradio G3에 대한 설치 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Dataradio G3 20 페이지. Mobile radiomodem

4. Trouble-Shooting and Testing

The checks described below should be done at annual intervals or whenever deterioration in performance

is noted.

4.1

•

13.8 VDC (nominal) car battery, or

13.8 VDC/20A regulated power supply (In the case the unit is not installed in a vehicle)

•

In-line watt meter (50W range)

•

Radio service monitor (IFR or equivalent).

•

Cable with mini-UHF male connector to connect G3 to the service monitor.

•

Dataradio test commands script version 0.01*

4.2

Recommended checks:

1. Transmit and Reverse power output

2. Carrier frequency error

3. Frequency deviation

4. Receivers RSSI Check

5. RF Data Link test between a G3 and a base station.

6. GPS test

Refer to Table 2 for checks 1 to 5.

Refer to paragraph 4.3.1 for check 6.

Important note: Before proceeding make sure that the service monitor has been recently calibrated and

has warmed up for at least the time specified by its manufacturer.

Some reported frequency and deviation problems have actually been erroneous indications from service

monitors that have not adequately warmed up. This is particularly likely when field service is done during

winter months

* Dataradio test commands, please refer to Dataradio R&D department for support.

156-90000-508

G3 Installation Guide