Aethra d2001 nx 用户手册
ISDN TESTER AND ANALYZER D2001
NX
USER’S MANUAL
8.12. Battery
management
The instrument is provided with an automatic battery recharge circuit. In case of
connection over the ISDN, the instrument receives power directly from the tested line.
connection over the ISDN, the instrument receives power directly from the tested line.
If this voltage is not available, the instrument is automatically powered through the
internal batteries.
internal batteries.
The internal batteries must be always present.
You can select the instrument power mode (line or internal batteries only).
To recharge the internal batteries, you only need to connect the external mains
adapter.
adapter.
Recharge time is approx. 3 hours if the batteries are dead.
8.13. Changing the contrast
You can set the contrast of the screen to your preference. Use the arrow keys to
change and relate to the pattern at the bottom of the screen.
change and relate to the pattern at the bottom of the screen.
8.14. SCREEN SAVER management
The instrument allows you to activate the screen saver function when left in the same
page for a long time to avoid screen degradation. You can also set a password to
return to normal operation.
page for a long time to avoid screen degradation. You can also set a password to
return to normal operation.
1
Select the SCREEN SAVER MANAGEMENT submenu.
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CHAPTER 8 - CONFIGURING THE INSTRUMENT