AASTRA Corded Headset AT-200HT Manuel D’Utilisation

Unpack the unit and check to make sure you have all the 

items that come with your telephone. 

•

AT-200HT headset telephone. 

•

Headset with cord. 

•

7 foot long telephone line cord. 

•

Belt Clip 

 

The AT-200HT requires the installation of four AAA size, 1.5 volt 

alkaline batteries (not included). If batteries have not been in-

stalled, or require replacement, Caller-ID information will not be 

displayed. 
WARNING: Always disconnect the AT-200HT from the tele-

phone line before inserting or replacing batteries. 
1. Remove the battery cover. 
2. Use a ball point pen tip or similar object to lift the battery cover 

up and away from the cabinet. See Figure 1 

3. Install four AAA size alkaline batteries into the battery compart-

ment. 

4. Take care to insure that each battery is installed with the cor-

rect polarity. Reinstall the battery cover. 

5. The NEW CALL LED will light and the display indicate "70 

CALLS" briefly. Then the AT-200HT will go into setup 

mode. 

6