Aethra d2001 nx ユーザーズマニュアル

ページ / 122
USER’S MANUAL 
                                          ISDN TESTER AND ANALYZER D2001
NX 
 
1  
Disconnect any cable both at the source and at the 
instrument. 
2  
Locate the battery access cover on the bottom rear.  
3  
Remove the battery access cover. 
4  
Take the battery pack out of the compartment. 
5  
Disconnect the two battery plugs from the connectors. 
6  
Install a new battery pack. 
 
 
Make sure that the batteries are placed in the batteries 
compartment as shown in Fig. 10-2 Only use Aethra
®
 batteries. 
10.3.5. Type of power supply  
If power is taken from the ISDN line, the POWER LED turns red. If power is taken 
from the AC/DC adapter, the POWER LED turns green. If both types of power are 
available, the POWER LED turns yellow.  
10.4. Display 
10.4.1. Protective  label 
The test equipment is sent from the factory with a protective transparent plastic label 
on the display screen for dust and scratches protection during the transport. 
This label may reduce the brightness and the contrast of the screen, please remove 
the label stick in order to have the better display of the screen. 
10.4.2. Screen  reverse 
The test equipment screen supports direct and reverse displaying modes. 
 
 
In order to change this modality press in sequence the 
indicated keys. 
 
 
CHAPTER 10 - MAINTAINING THE INSTRUMENT 
107