Radio Shack CID 940 - Manual (Page 17)

17 Troubleshooting
ˆ
Troubleshooting
If your system is not working as it should, these suggestions
might help you eliminate the problem. If you see a message that
you do not understand, see “Displayed Call Information” on
Page 15.
Problem Solution
Blank screen Install or replace the batteries.
Adjust the contrast level (see “Setting the Dis-
play Contrast, Alert Tone, and Clock Display
Format” on Page 13).
Order Caller ID service from your local tele-
phone company.
No dial tone on
phone attached to
the system Check all of the connections to make sure
they are secure.
Check for correct installation.
Disconnect the system and reconnect the
phone to see if the phone works without the
system.
Incoming call with
no Caller ID infor-
mation You answered the call before the system
received the call information. Wait until your
phone rings at least twice before answering a
call.
Set the receiver’s Caller ID identification code.
(See “Setting the System’s Identification
Code” on Page 12.)
43-940.fm Page 17 Tuesday, April 25, 2000 1:04 PM