Notes, Polarity of the plug, Tips – Sony SPP-A940 User Manual
Page 10: Modular, Center pair, Choose the dialing mode, Dial mode switch, If you aren't sure of your dialing system
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step 2: Setting up the base unit (continued)
Notes
• Use only the supplied AC-T24 AC power adaptor.
Do not use any other AC power adaptor.
• Connect the AC power adaptor to a continuous power supply.
• Place the base unit close to the AC outlet so that you can
easily unplug the AC power adaptor.
Polarity of the plug
Tips
Modular
If your telephone outlet isn't modular, contact your telephone
service company for assistance.
If you have two phone lines on a single jack with the first
phone line connected to a center pair of wires, and you need
to connect the second phone line (outer pair of wires), contact
your telephone company for rewiring.
Center pair
Choose the dialing mode
For the telephone to work properly, select an appropriate dialing mode
(tone or pulse).
DIAL MODE switch
If you aren't sure of your dialing system
Make a trial call with the DIAL MODE switch set to TONE.
If the call connects, leave the switch as it is; otherwise, set to PULSE,
Getting Started