GPX C253B - User Manual

Warning: Changes or modications to this unit not expressly approved by the party
responsible for compliance could void the user’s authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits
for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits
are designed to provide reasonable protection against harmful interference in
a residential installation. This equipment generates, uses, and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this equipment
does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to
correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
USER’S GUIDE
V: 805-01
C253B Clock Radio with Dual Alarm
FCC Warnings
Introduction and Setup
Plug the included AC/DC power adapter into
the DC POWER INPUT on the dock and an AC
power outlet to power the dock.
LINE IN
Power
The battery backup is intended for short
power outages only. The clock radio’s primary
functions cannot run off of the battery backup
alone.
Requires 2, AAA-size, batteries (not included)
Battery Backup
LINE IN
Dimmer
Press to dim the
display.
Tuning/Min/Hour
Press to tune the
radio.
Press to adjust the
minute or hour when
setting the clock or
alarm.
Clock/Mem
In Off mode, press
and hold to begin
setting the time.
In radio mode, press
to cycle through
preset stations.
LED Display
Line Input
Source/AL Off
Press repeatedly to switch
between Line in, FM, or AM
Radio modes. Press and
hold to turn off the radio.
Press to turn off the alarm.
Snooze/Sleep
Press to snooze the
alarm after it sounds.
In on mode, press
repeatedly to set the
sleep timer.
Alarm 1 Buzzer/
Radio Indicator
Lights when the
alarm 1 is on and set
to buzzer or radio.
Alarm 2 Buzzer/
Radio Indicator
Lights when the
alarm 2 is on and set
to buzzer or radio.
Volume/AL1/AL2
Press to adjust the volume.
Press to begin setting Alarm 1
or Alarm 2. Note: Volume will
not function in line in mode.
For Warranty Information and the most up-to-date version of this User’s Guide, go to www.gpx.com Customer Service: 1-888-999-4215
Email Support: prodinfo@dpiinc.com, Email Parts: partsinfo@dpiinc.com
Copyright © 2013 Digital Products International (DPI, Inc.) All other trademarks appearing herein are the property of their respective owners.
Specications are subject to change without notice.
PM Indicator
Lights when the time is in
the PM.

Summary

FCC Warnings and Compliance

Introduction and Setup

Power and Battery Backup

Instructions for connecting the AC adapter and installing backup batteries.

Display Indicators and Controls

Overview of display indicators and key control buttons like Dimmer, Clock/Mem, Snooze/Sleep, Volume, Source/AL Off.

Clock and Sleep Timer Functions

Setting the Clock

Step-by-step guide for setting the current time on the clock radio.

Setting the Sleep Timer

Instructions on how to set the sleep timer for automatic power off.

Radio Operations

Tuning and Presetting Radio Stations

Guide to tuning AM/FM radio, saving presets, and recalling stored stations.

Radio Reception Tips

Advice on positioning the FM antenna and the unit for better reception.

Line Input and Alarm Settings

Using the Line Input

Instructions for connecting and playing audio from external devices via the 3.5mm jack.

Setting and Cancelling Alarms

Procedure for setting dual alarms and how to snooze or turn them off.

GPX C253B Specifications

General

Radio type	Clock
Tuner type	Digital
PLL synthesizer	Yes
Supported radio bands	AM, FM
Preset stations quantity	20
RMS rated power	- W
Display type	LED
Display diagonal	1.2 \
Headphone outputs	1
Headphone connectivity	3.5 mm
MP3 playback	No
Product color	Black
Apple docking compatibility	Not supported
Compatible battery sizes	AAA
Number of batteries supported	2