CR-421 - Radio DENVER - Free user manual and instructions

Product Type	Clock Radio with FM Tuner
Brand	Denver
Model	CR-421
Power Supply	AC 230V ~ 50Hz; Battery backup: 2 x AAA (not included)
Radio Bands	FM
Preset Stations	20 FM stations
Alarm Features	Dual alarms (buzzer or radio wake-up), snooze (5 min)
Sleep Timer	10 to 90 minutes
Nap Timer	45, 60, 90 or 120 minutes
Display Dimmer	High/Low brightness settings
Antenna	FM wire antenna, extendable
Additional Features	Battery backup for time/alarm settings, slip-proof silicon feet
Dimensions	Approximately 15 × 8 × 8 cm (estimated)
Weight	Approximately 0.5 kg (estimated)

Frequently Asked Questions - CR-421 DENVER

How do I set the time on the Denver CR-421?

Make sure the radio is off. Press and hold the TIME/PRESET button for about 3 seconds until the display flashes. Then use HOUR/TUNING- and MIN/TUNING+ to set hour and minute. Press TIME/PRESET again to confirm.

How do I set the alarm?

With the radio off, press the ALARM1/VOL- button once for buzzer or twice for radio wake-up. The corresponding indicator will flash. Use HOUR/TUNING- and MIN/TUNING+ to set the time, then press ALARM1/VOL- to confirm. Repeat for alarm 2 using ALARM2/VOL+.

How do I tune into a radio station?

Press ON/OFF/NAP to turn on the radio. For manual tuning, press HOUR/TUNING- or MIN/TUNING+ in 0.1 MHz steps. For automatic scan, press and hold either button for about 3 seconds; the radio will scan for the next available station.

How do I store a radio station as a preset?

Tune to the desired station. Press and hold TIME/PRESET for 3 seconds until P01 flashes. Use P+ or P- to select a preset number (P01-P20). Press TIME/PRESET to confirm.

How do I use the sleep timer?

With the radio on, press SNOOZE/DIM/SLEEP once. 'OFF' will appear. Press repeatedly to select a sleep time from 90 to 10 minutes. The radio will turn off automatically after the set time.

How do I set the nap timer?

With the radio off, press and hold ON/OFF/NAP for about 4 seconds until the display and FM indicator flash. Use P+ or P- to select nap time (45, 60, 90, or 120 minutes). Press ON/OFF/NAP to confirm. The radio will turn on after the nap time.

How do I adjust the display brightness?

When the radio is off and the current time is showing, press SNOOZE/DIM/SLEEP to toggle between high and low brightness.

What happens if there is a power outage?

If batteries are installed (2 x AAA), the clock and alarm settings are maintained during a temporary power interruption. The display turns off to save battery, but the internal clock continues.

Why is my alarm not sounding?

Ensure the alarm is activated (alarm indicators lit). Check that the volume is not set to 00. If alarm is set to radio, ensure a station is tuned in and the volume is audible. Also, if both alarms are set, the previous alarm may not stop automatically; press any button to turn off the sounding alarm.

What should I do if the display is blinking after plugging in?

The blinking display indicates the time has not been set. Press TIME/PRESET to stop the blinking and proceed to set the time. The radio cannot be turned on while the display is blinking.

USER MANUAL CR-421 DENVER

USER MANUAL

CR-421

WWW.DENVER-ELECTRONICS.COM

Please read this user manual carefully before start using the product.

CONTROLS AND INDICATORS

Back view

1. "SNOOZE / DIM / SLEEP" button
2. "ON / OFF / NAP" button
3. "P-" button
4. "ALARM1 / VOL-" button
5. "HOUR / TUNING—" button
6. "TIME / PRESET" button
7. "P+" button
8. "ALARM2 / VOL +" button
9. "MIN / TUNING +" button
10. Battery compartment
11. FM antenna
12. AC plug

Front view

A. Time and radio frequency display

B. Alarm2 buzzer

C. Alarm2 radio indicator

D. FM

E. Alarm1 buzzer

F. Alarm1 radio indicator

PREPARATION FOR USE

This clock radio includes a battery backup system that will maintain the time and alarm settings during a temporary power interruption. Insert two 'AAA' size batteries correctly by matching the polarity (+/-) markings in the battery compartment (10). If you experience a power failure while batteries are installed, the display will turn 'off' but the clock will continue to run and maintain your alarm settings. Please replace all batteries at the same time with only new batteries.

The clock radio has slip proof silicon feet. Place the clock radio only on protected furniture.

Plug AC plug (12) into 230vac electrical outlet.

Unwind the FM antenna (11) on the back of the clock radio. Extend and reposition the antenna for best radio reception.

- You cannot set any function when the clock display is blinking after plug in, press

the "TIME/PRESET" to stop blink and start setting.

• The time can only be set when the radio is turned off. Press the "ON / OFF / NAP" button (2) to turn radio on or off.

• When the clock display is blinking, you cannot power on radio by the "ON / OFF / NAP" button (2).

• Press and hold down "TIME / PRESET" button (6) for approximately 3 seconds until the display flashes.

• Press "HOUR / TUNING—" button (5) repeatedly to change the hour setting.

• Press "MIN / TUNING +" button (9) repeatedly to change the minute setting.

• Press "TIME / PRESET" button (6) to confirm at the time and the display will stop flashing.

SETTING THE ALARM TIME

This clock radio has dual alarms that can be set and used independently. The procedure to set both alarms are the same. Both alarms can either sound the buzzer or wake up to radio.

Note: The alarm time can only be set when the radio is turned off. Press the "ON / OFF / NAP" button (2) to turn radio on or off.

1. For setting alarm time 1 with buzzer, press "ALARM1 / VOL -" button (4) and

indicator (E) will flash. For setting alarm time 1 with radio, press "ALARM1 / VOL -" button (4) twice and indicator (F) will flash.

1. When the digits are flashing, press "HOUR / TUNING -" button (5) repeatedly to change the hour setting. Press "MIN / TUNING +" button (9) repeatedly to change the minute setting.

2. Press "ALARM1 / VOL—" button (4) to confirm.

3. To cancel alarm, press "ALARM1 / VOL -" button (4) three times when the current time is showing. The alarm indicators will be off.

4. When the alarm sounds, press any button to turn off alarm or press "SNOOZE /

DIM / SLEEP" button (1) to enter snooze mode. 📂 or 🌘 will blink during snooze mode. Alarm will sound again after 5 minutes. Alarm buzzer does not cut the radio sound. If alarm waken up by radio, volume control for radio is not available.

1. Follow the same instructions for alarm time 2 with "ALARM2 / VOL +" button (8).

Note:

• You must make the time and alarm time adjustments while the display is flashing. The display will stop flashing after approximately 10 seconds if adjustments are not made.
• If two alarms are set together, for example alarm1 set to buzzer alarm and alarm2 set to radio alarm, when buzzer is activated by alarm1 and radio is activated by alarm2, the previous alarm does not stop automatically and has both buzzer and radio sound together.

RADIO OPERATION

General Operations

1. Press the "ON/OFF/NAP" button (2) to turn radio on and off.
2. For manual tuning, press "HOUR / TUNING -" button (5) or "MIN / TUNING +" button (9) for increments of 0.1mHz.
3. For automatic tuning, press and hold down "HOUR / TUNING -" button (5) or "MIN / TUNING +" button (9) for approximately 3 seconds. Release the button and the radio will start to scan for the next available station.
4. Press "ALARM1 / VOL—" button (4) or "ALARM2 / VOL +"button (8) to adjust volume level. The display changes to show the volume level indication (00 to 14) during the volume adjustments, then changes back to the radio station frequency and then the current time.
5. Press "HOUR / TUNING -" button (5) or "MIN / TUNING +" button (9) to show the radio station frequency.

Pre-set Station Memory

1. The radio can store up to 20 FM stations.
2. To store a station in memory, tune to the desired radio station. Press and hold down "TIME/PRESET" button (6) for approximately 3 seconds and "P01" on the display will flash. Press "P+" button (7) or "P-" button (3) to the desired station memory (P01 to P20). Press "TIME/PRESET" button (6) once to confirm.
3. Repeat the above steps for up to 20 stations.
4. To recall the station, press "P+" button (7) or "P-" button (3) until desired station is reached.

Sleep mode

1. When the radio is on, press "SNOOZE / SLEEP / DIM" button (1) to enter sleep mode. "OFF" will be displayed. Press "SNOOZE / SLEEP / DIM" button (1)

repeatedly for the duration of the “SLEEP” time. The range of “SLEEP” time is 90 minutes to 10 minutes, as displayed on the screen.

NAP

Set the desired NAP time and the radio will turn on automatically after the preset time.

1. When the radio is off, press and hold "ON / OFF / NAP" button (2) for approximate 4 seconds and the display and FM indicator (D) will flash.
2. Press "P+" button (7) or "P-" button (3) to set the desired nap time (45, 60, 90 or 120 mins)
3. Press "ON / OFF / NAP" button (2) to confirm.

DIMMER

When the radio is off and the current time showing, press "SNOOZE / SLEEP / DIM" button (1) to select the brightness of the display for high or low.

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DENVER®

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Imported by:

DENVER ELECTRONICS A/S

Omega 5A, Soeften

DK-8382 Hinnerup

Denmark

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