Trackcom Limited DPU-4500 ユーザーズマニュアル

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When all the basic function checks have been successfully completed, the next 
step is to move the vehicle to a suitable open space for commissioning. 
 
The commissioning area must take into account the following: 
 
- Buildings or structures 
- Power lines 
- Other sources of interference 
 
5.5.1  Buildings and structures 
 
The vehicle should be sited away from tall metal or brick structures. The table 
below is used as a guide to how far away the vehicle should be: 
 
Number of 
Metal 
 
Brick/stone 
stories  
Structure 
Structure 
 
 
40 meters 
20 meters 
 
 
50 meters 
30 meters 
 
 
60 meters 
40 meters 
 
 
5.5.2 Power 
lines 
 
The vehicle must not be parked under or near power lines. This also applies to 
electrified railway lines 
 
5.5.3  Other sources of interference 
 
The vehicle must not be parked near other sources of interference i.e. tall trees, 
next to a larger vehicle, near large antennas. 
 
5.6  Power up  
 
When all basic installation checks have been successfully completed, the next 
step is to power up the DPU and check the basic function of the unit. 
 
5.7  Power up checks 
 
Reconnect the power cable to the DPU. Check the following indicators of the two 
LED’s on the top of the DPU: 
 
Initial power up - When the power cable is first connected the DPU will go into 
boot up mode. While booting both LEDs are not lit. Booting will take about 30