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Appendix
Energy-saving charging mode
When this mode is activated, all telephone functions, except handset battery charging, will be disabled.
To activate the energy-saving charging mode in the S2410/S2420/CTM-S2411/CTM-S2421 handset which is cradled on the
charging base (C4001) or charging stand (C4011):
When a registered cordless handset is idle, press *331734# and then press HOLD. You hear 3 rising beeps. Then put this
•
handset into the charger.
To deactivate the energy-saving charging mode:
•
Register your handsets back to the corresponding telephone base. See page 45 or 47 for handset registration instructions.
To activate the energy-saving charging mode in S2410/S2420/CTM-S2411/CTM-S2421 telephone base:
1.
Remove the faceplate and overlay if they are on the telephone base.
2.
When you see the slide switch inside the left hole, use a sharp object, such as a paper clip, to slide it to the right side.
To deactivate the energy-saving charging mode:
1.
Remove the faceplate and overlay if they are on the telephone base.
2.
When you see the slide switch inside the left hole, use a sharp object, such as a paper clip, to slide it to the left side.
To activate the energy-saving charging mode in the cordless handset (C4400/C4500/CTM-C4401/CTM-C4501), charging
base (C4001) and charging stand (C4011):
When a registered cordless handset is idle, press *331734# and then press HOLD. You hear 3 rising beeps. Then put this
•
handset into the charger.
To deactivate the energy-saving charging mode:
•
Register your handsets back to the corresponding telephone base. See page 54 or 56 for handset registration instructions.
To activate the energy-saving charging mode in the charging base C4300 and the charging stand C4310:
•
Slide the slide switch to the right side.
To deactivate the energy-saving charging mode:
•
Slide the slide switch to the left side.
Maintenance
Taking care of your telephone
Your telephone contains sophisticated electronic parts, so it must be treated with care.
Avoid rough treatment
Place the handset down gently. Save the original packing materials to protect your telephone if you ever need to ship it.
Avoid water
Your telephone can be damaged if it gets wet. Do not use the handset outdoors in the rain, or handle it with wet hands. Do not install
the telephone base near a sink, bathtub or shower.
Electrical storms
Electrical storms can sometimes cause power surges harmful to electronic equipment. For your own safety, take caution when using
electrical appliances during storms.
Cleaning your telephone
Your telephone has a durable plastic casing that should retain its luster for many years. Clean it only with a soft cloth slightly
dampened with water or mild soap. Do not use excess water or cleaning solvents of any kind.
Remember that electrical appliances can cause serious injury if used when you are wet or standing in the water. If the telephone
base should fall into the water, DO NOT RETRIEVE IT UNTIL YOU UNPLUG THE NETWORK CABLE FROM THE WALL. Then
remove the telephone by the unplugged cords.
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