Steren TEL-220, User Manual, Page: 10 / 23

EXAMPLE OF MATHEMATICAL OPERATIONS
TROUBLESHOOTING
SPECIFICATIONS
Screen
Input: 4,5 V (3xAA)
Phone Set:
Input: -48 V
Dimensions: 8,1 x 5,31 x 1,96in
Weight: 1,15lb
Product design and speci fi cations are subject to change,
without notice.
ENGLISH
ENGLISH-10
Operation Keys Result on screen
(10+26) / 2 CAL 0
10 Down + 26
Hold / Ring / 2 # / = 18
0.5 x 0.6 - 1 CAL 0
0 */. 5 Out / x 0 */. 6 -0.7
Up / - 1
Trouble Solution
Verify the line cord is correctly installed
Verify the telecom service is correct
Verify the line cord is correctly installed
Assure the handset is correctly placed on the
base
Verify if you are not in the Privacy Mode
Verify batteries are correctly installed
Review the batteries charge
Assure that you have subscribed to the service
on your telecom company
Probably you answered the phone before two
rings
Make sure that you have installed new babtteries
on the telephone
Replace with new one.
No dial tone
No rings on incoming calls
Caller ID doesn't work / appears
uncompleted data
Ocean Blue Light doesn't work
Product design and speci fi cations are subject to change,
without notice.