Sony DREAM MACHINE ICF-C218 - FM/AM Clock Radio Manual

Sony DREAM MACHINE ICF-C218 - FM/AM Clock Radio Manual

Also See for DREAM MACHINE ICF-C218:


Sony DREAM MACHINE ICF-C218 - FM/AM Clock Radio Manual




  • Single alarm FM/AM Clock radio.
  • Various types of alarms — radio and buzzer.
  • DST button to adjust Daylight Saving Time/ Summer time.
  • Date button to display month, day and year.
  • Battery backup to keep the clock during a power interruption with a CR2032 battery supplied.
  • Extendable snooze — snooze time can be extended from 10 to 60 minutes in maximum every time you use.

About the backup battery

To keep good time, as backup power source, this unit needs one CR2032 battery (supplied), in addition to the house current.
The battery keeps the clock in the event of a power interruption.

Knowing when to replace the battery
When the battery becomes weak, "" indicator appears in the display.
In the event of a power interruption when the battery is weak, current time and alarm functions will be initialized.

Installing and replacing the battery

  1. Keep the AC plug connected to the AC outlet, remove the screw that secures the battery compartment at the bottom of the unit using a screwdriver, and remove the battery compartment. (See Fig. -)
    Installing and replacing the battery - Step 1
  2. Insert a new battery in the battery compartment with the side facing up.
    To remove the battery from the battery compartment, push it out from the side marked PUSH. (See Fig. -)

  3. Insert the battery compartment back into the unit and secure it with the screw. (See Fig. -)
    Installing and replacing the battery - Step 3
  4. When you are replacing the battery, press RADIO ON to turn "" indicator off in the display.

If you replace the battery, do not disconnect AC plug from AC outlet.
Otherwise, current time and alarm will be initialized.


  • Keep the lithium battery out of the reach of children.
    Should the battery be swallowed, immediately consult a doctor.
  • Wipe the battery with a dry cloth to assure a good contact.
  • Be sure to observe the correct polarity when installing the battery.
  • Do not hold the battery with metallic tweezers, otherwise a short-circuit may occur.
  • Do not expose the battery to excessive heat such as direct sunlight, fire or the like.

Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the equipment manufacturer.

warningBattery Warning
When the unit will be left unplugged for a long time, remove the battery to avoid undue battery discharge and damage to the unit from battery leakage.

Setting the clock and date

Set the clock and date according to the following steps.

  1. Plug in the unit.
    The display will flash "AM 12:00" or "0:00".
  2. Press CLOCK for more than 2 seconds.
    You will hear a beep and the year will start to flash in the display.
  3. Press + or until the correct year appears in the display.
  4. Press CLOCK.
  5. Repeat steps 3 and 4 to set the month, day and time.
    After setting the time, two short beeps sound and the clock starts from 0 seconds.
  • Pressing and holding + or changes the year, month or day rapidly.
    When setting the current time, time changes rapidly by 1 minute-increments up to 10 minutes, and then by 10 minute-increments.
  • The clock system varies depending on the model you own.
    12-hour system: "AM 12:00" = midnight
    24-hour system: "0:00" = midnight
  • While setting the clock, you must perform each step within 65 seconds, or the clock setting mode will be cancelled.

To display the year and date
Press SNOOZE/DATE/SLEEP OFF once for the date, and within about 3 seconds press it again for the year.
The display shows the date or year for about 3 seconds and then changes back to the current time. If you connect the AC plug to AC outlet while this unit is powered from the backup power source, the current date and time appears in the following order. (It is same as when the unit is powered on after the power failure.)
"month and date" (about 1 second) "year" (about 1 second) "current time"

To change the display to the daylight saving time (summer time) indication
Press DST.
DST indicator appears in the display and the time indication changes to the daylight saving time (summer time).
To deactivate the daylight saving time (summer time) adjustment, press DST again.

Operating the radio

  1. Press RADIO ON to turn on the radio.
  2. Adjust volume using VOLUME.
  3. Select BAND.
  4. Tune in to a station using TUNING.

To turn off the radio

Improving the reception

Model for Central America and Mexico:
The AC power cord functions as an FM antenna. Extend the AC power cord fully to increase reception sensitivity.
Model for other countries/ regions:
Extend the FM wire antenna fully to increase reception sensitivity.
Improving the reception - FM

Rotate the unit horizontally for optimum reception. A ferrite bar AM antenna is built-in to the unit.
Improving the reception - AM
Do not operate the unit over a steel desk or metal surface, as this may lead to interference of reception.

Setting the alarm

The alarm function can be select from two alarm sounds, RADIO or BUZZER.


  • Before setting the alarm, make sure to set the clock (see "Setting the clock and date").
  • The factory setting alarm time is "PM 12:00" or "12:00".
  • To set the radio alarm, first tune in to a station and adjust the volume (see "Operating the radio").

To set the alarm time

  1. Set ALARM MODE to the desired alarm sound (RADIO or BUZZER).
    The alarm time appears for a few seconds, and then the ALARM indicator lights up in the display. (It does not appear when the switch is set to OFF.)
  2. Slide ALARM TIME SET + or to set the desired time.
    Each slide of ALARM TIME SET + or changes the indication by 1 minute. If you keep sliding ALARM TIME SET + or , the alarm time goes forward (or backward) by 1 minute up to 10 minutes, and then by 10 minutes increments. While setting the alarm time, the ALARM indicator flashes in the display.

    When the alarm time setting operation is complete, the display returns to the clock after a few seconds and the ALARM indicator changes from flashing to fully lit.
  • While ALARM MODE is set to RADIO or BUZZER, the alarm time setting can be changed by ALARM TIME SET.
    One slide of ALARM TIME SET displays the alarm time for about 4 seconds. By adjusting ALARM TIME SET while the alarm time appears in the display, the alarm time will be changed.
  • The ALARM indicator flashes in the display while:
    • The alarm time appears in the display.
    • The alarm sounds.
    • Snooze function is turned on.
  • The alarm time setting cannot be changed if ALARM MODE is set to OFF. If ALARM TIME SET is adjusted, "OFF" appears in the display for about 0.5 seconds.
  • CLOCK and DST are unavailable while the alarm sounds or snooze function is turned on.

To doze for a few more minutes
The sound turns off but will automatically come on again after about 10 minutes. Each time you press SNOOZE/DATE/SLEEP OFF, the snooze time changes as follows:

The maximum length of the snooze time is 60 minutes.
The display shows the snooze time for about 4 seconds and returns to show the current time. When you press SNOOZE/DATE/SLEEP OFF after the current time appears, the snooze time starts from 10 minutes again.

To stop the Alarm
Press RADIO OFF/ALARM RESET to turn off the alarm.
The alarm will come on again at the same time the next day.
If RADIO OFF/ALARM RESET is not pressed, the alarm sounds continuously for about 60 minutes, and then it will be stop automatically.

To deactivate the Alarm
ALARM indicator disappears from the display.

Note on alarm in the event of a power interruption
If the alarm set time comes in the event of a power interruption or a power interruption occurs while the alarm is sounding, the display will turn off and the alarm will not sound, and the alarm status will be as follows. If power returns within 60 minutes from the alarm set time, the alarm will sound. If the power interruption occurred while the snooze function was operating, the snooze function will continue. If the snooze time had passed when the power interruption occurred, the alarm will sound after power returns.

In this status, if the indicator does not light up,
RADIO OFF/ALARM RESET, SNOOZE buttons and ALARM MODE functions are available. SNOOZE time will be fixed only 10 minutes if the SNOOZE button has been pressed.

Setting the sleep timer

You can fall asleep to the radio using the built-in sleep timer that turns off the radio automatically after a preset duration.
Press SLEEP.
The radio turns on. You can set the sleep timer to durations of 90, 60, 30, or 15 minutes. Each press changes the display as follows:

Two short beeps sound when the display returns to "90".
The radio will play for the duration you set, then shut off.

To turn off the radio before the preset time

To use both sleep timer and alarm
You can fall asleep to the radio and also be awakened by the radio or buzzer alarm at the preset time.

  1. Set the alarm. (See "Setting the alarm".)
  2. Set the sleep timer. (See "Setting the sleep timer".)


Should any problem occur with the unit, make the following simple checks to determine whether or not servicing is required.
If the problem persists, consult your nearest Sony dealer.

The clock flashes "AM 12:00" or "0:00" due to a power interruption.

  • The battery is low. Replace the battery. Remove the old battery and install a new one.

The radio or buzzer alarm does not sound at the preset alarm time.

  • Has the desired radio or buzzer alarm been activated? (i.e., Does the ALARM indicator light up?)

The radio alarm is activated but no sound comes on at the preset alarm time.

  • Has VOLUME been adjusted?


  • Operate the unit on the power source specified in "Specifications".
  • The nameplate indicating operating voltage, etc. is located on the bottom of the unit.
  • To disconnect the power cord (mains lead), pull it out by the plug, not the cord.
  • The unit is not disconnected from the AC power source (mains) as long as it is connected to the wall outlet, even if the unit itself has been turned off.
  • Allow adequate air circulation to prevent internal heat build-up. Do not place the unit on a surface (a rug, blanket, etc.) or near materials (a curtain) that might block the ventilation holes.
  • Should any solid object or liquid fall into the unit, unplug the unit and have it checked by a qualified personnel before operating it any further.
  • To clean the casing, use a soft cloth dampened with a mild detergent solution.
  • Do not connect the antenna lead to the external antenna.
  • To reduce the risk of fire, do not cover the ventilation of the apparatus with newspapers, tablecloths, curtains, etc. And do not place lighted candles on the apparatus.

If you have any questions or problems concerning your unit, please consult your nearest Sony dealer.


Time display
Model for Central America and Mexico: 12-hour System
Model for other countries/ regions: 24-hour system

Frequency range

Band Frequency
FM 87.5 – 108 MHz
AM 530 – 1 710 kHz

Approx. 6.6 cm (2 5/8 inches) dia., 8 Ω

Power output
150 mW (at 10% harmonic distortion)

Power requirements
Model for Central America and Mexico: 120 V A C, 60 Hz
Model for Thailand: 230 V AC, 50 Hz
Model for other countries/ regions: 230 – 240 VAC, 50 Hz
For power backup: 3 V DC, one CR2032 battery

Approx. 155 × 64.5 × 150 mm (w/h/d)
(6 1/8 × 2 5/8 × 6 inches) incl. projecting parts and controls

Model for Central America and Mexico: approx. 462.2g (1 lb 0.3 oz) incl. CR2032 battery
Model for other countries/regions: approx. 470.2g (1 lb 0.6 oz) incl. CR2032 battery

Design and specifications are subject to change without notice.

Documents / Resources

Download manual

Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.

Download Sony DREAM MACHINE ICF-C218 - FM/AM Clock Radio Manual


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