Bergstrom H797 User manual

Personal CD Player
H797 v01: 07/04/21
Please read and retain these instructions for future reference
CAUTION
Follow the advice below for safe operations.
ON PROTECTION AGAINST LASER ENERGY EXPOSURE
▪As the laser beam used in this compact disc player is harmful to the eyes, do not attempt to disassemble the
casing.
▪Stop operation immediately if any liquid or solid object should fall into the cabinet.
Dimensions
(H) 2.5 x (D) 14.5cm
•MP3 PLAYBACK
•CD-R COMPATIBLE
•REQUIRES 2AA BATTERIES (NOT INCLUDED)
•OUT WALKING, TRAVELLING, IN THE GARDEN…ENJOY
YOUR FAVOURITE CDS ANYWHERE –AT YOUR OWN
VOLUME WITHOUT DISTURBING OTHERS. PERSONAL
CD PLAYER WITH EARPHONES FEATURES SKIP
PROTECTION SO IT'S EVEN JOG-PROOF AND IS FULLY
PROGRAMMABLE LETTING YOU JUMP TO FAVOURITE
TRACKS, REPEAT OR SHUFFLE.
Power Details:
Power Requirement Battery: 2 x AA (UM-3) batteries (not included)
AC Adaptor (not included):
Input: AC230V ~ 50/60Hz
Output: DC 4.5V 700mA
USB Power: DC 5V 500mA (USB cable not included)
Accessories: Earphones

Personal CD Player H797 Instructions for Use
Please read and retain these instructions for future reference v001: 07/04/21
▪Do not touch the lens or poke at it. If you do, you may damage the lens and the player may not operate
properly.
▪Do not put anything in the safety slot. If you do, the laser diode will be ON when the CD door is still open.
▪If the unit is not to be used for a long period of time, make sure that all power sources are disconnected from
the unit. Remove all batteries from the battery compartment.
▪This unit employs a laser. The use of controls or adjustment or performance of procedures other than those
specified here may result in exposure to hazardous radiation.
Should any problem occur, remove the power source and refer servicing to qualified personnel.
LOCATION OF CONTROLS
1
 BUTTON
10
BBS ON/OFF BUTTON
2
LCD DISPLAY
11
VOLUME + BUTTON
3
ESP BUTTON
12
VOLUME - BUTTON
4
STOP BUTTON
13
CD DOOR OPEN SWITCH
5
PLAY / POWER OFF BUTTON
14
MINI USB JACK
6
BUTTON
15
DC IN JACK
7
A-B BUTTON
16
BATT DOOR
8
PLAY MODE BUTTON
17
HOLD SWITCH
9
EARPHONES JACK

Personal CD Player H797 Instructions for Use
Please read and retain these instructions for future reference v001: 07/04/21
POWER SOURCE
BATTERY OPERATION
Notes: Disconnect AC adapter before installing batteries.
For best performance and longer operating time, we recommend the use of alkaline batteries.
1. Remove the BATTERY DOOR on the bottom of the unit.
2. Follow the polarity diagram shown in the BATTERY COMPARTMENT to insert 2 X ‘AA’ size (UM-3) batteries
and close the BATTERY DOOR .
BATTERY WARNING
1.Be sure that the batteries are installed correctly. Wrong polarity may damage the unit.
2. Use only the size and type of batteries specified.
3. Do not mix old and new batteries.
4. Do not mix alkaline, standard (carbon-zinc) or rechargeable (nickel-cadmium) batteries.
5. If the unit is not to be used for an extended period of time, remove the batteries. Old or leaking batteries
can cause damage to the unit.
6. Do not try to recharge batteries not intended to be recharged; they can overheat and rupture. (Follow
battery manufacturer’s directions).
7. Do not dispose of batteries in fire, batteries may leak or explode.
AC ADAPTER (not included) OPERATION
(AC adapter: input AC 230V ~ 60Hz, output DC 4.5V 700mA)
1. Plug the AC adapter (not included) into normal AC power outlet socket.
2. Insert the DC plug of the AC adapter cord into the DC IN JACK (#15).
3. When the unit is operated using AC adapter, the battery source will automatically be disconnected.
WARNING : Before connecting to the power supply, ensure that the supply corresponds to the
information on the rating label at the back of the apparatus.

Personal CD Player H797 Instructions for Use
Please read and retain these instructions for future reference v001: 07/04/21
USB POWER
- The Personal CD Player can be operate by USB power DC 5V 500mA).
- Plug one end(micro USB plug) of the USB cable into the USB PORT (#14) and the other end of the cable to the
USB charger/power bank/computer (not include
- When the unit is operated using USB power, the battery source will automatically be disconnected.
EARPHONES CONNECTION
Connect the plug of the stereo earphone (included) into the EARPHONES JACK (#9)
CAUTION
•Avoid excessive volume levels for long period of time when using the earphones. Prolonged use at high
levels may impair your hearing.
•Do not use earphones while operating a motorized vehicle, as it may create a traffic hazard and is illegal
in many areas
CD OPERATION
PLEASE READ THIS IMPORTANT INFORMATION:
CD mechanisms used in devices like this are designed to fully read all commercial CDs. They will also read
self-compiled CD-R/CD-RW discs but it may take up to 10 seconds for playback to start. If playback does not
start, it is likely due to the quality of the CD-R/RW disc and/or the compatibility of the CD compilation
software. Manufacturer is not responsible for the playback quality of CD-R/RW discs.
Do not attach a label or seal to either side of the CD-R/RW disc. It may cause a malfunction.
1. Tap the POWER ON BUTTON (#5) to turn on the unit.
2. Slide the CD DOOR OPEN SWITCH (#13) to open the CD door. Carefully place an audio CD/MP3 CD with
its label side upward in the CD compartment and close the CD door.
3. The player will start reading TOC of the disc.
4. The total number of tracks and time on the CD will appear on the LCD DISPLAY (#1 ) after a few seconds
Note: The total number of folder and tracks on the MP3 CD will appear on the LCD DISPLAY (# 2).
5. Tap the BUTTON (#5)to start to play.

Personal CD Player H797 Instructions for Use
Please read and retain these instructions for future reference v001: 07/04/21
6. Adjust the VOLUME +/- (#11/12 ) to obtain the desired sound.
7. To suspend playing, tap the BUTTON (#5) again. To resume playing, tap the BUTTON (#5) again.
8. You can choose to play your favorite track directly by pressing either the or BUTTONS (#6 or
#1), The LCD Display (#1) will indicate the correct track number selected.
9. To locate a particular passage within a track, keep the or BUTTONS (#6or #1) depressed until it
is found.
Note: Low level audio will be heard during the search process to assist in locating correct point in the
track.
10. To repeat a particular track, tap the PLAY MODE BUTTON (#8) repeatedly until the REP 1 indicator lights
on the LCD DISPLAY (# 2).
11. To repeat the entire CD, tap the PLAY MODE BUTTON (#8) repeatedly until the REP ALL indicator lights on
the LCD DISPLAY (# 2).
Note: To repeat the entire folder of the MP3 CD, tap the PLAY MODE BUTTON (#8) repeatedly until the REP
DIR indicator lights on the LCD DISPLAY (# 2).
12. Tap the PLAY MODE BUTTON (#8) until the RND indicator light on the LCD display to play songs
randomly.
13. Tap the PLAY MODE BUTTON (#8) until the INTRO indicator light on the LCD DISPLAY (#2) to play the first
10 seconds of each song on the disc.
14. To stop playing, tap the STOP BUTTON (#4).
15. Press and hold the PLAY/OFF BUTTON (#8) to turn off the unit.
PROGRAM OPERATION
This function allows the tracks to be played in a programmed sequence. Programs can be set in STOP mode.
1. Tap the PLAY MODE BUTTON (#8) once. The PROG. indicator will flash and Program Channel Number
"01" will appear and the track number “01” will blink on the LCD DISPLAY (#2) to prompt for input.
2. Tap the or BUTTONS repeatedly (#1 or #6) to select the track to be programmed.(For a MP3 CD,
the folder number will show on the LCD DISPLAY.
3. Tap the PLAY MODE BUTTON (#8) again to store selection. The Program Channel No. will change to “02”
and the track number “02” will blink to prompt for input
4. You may repeat steps 2 - 3 to program as many as 24 tracks.
(For a MP3 CD, you may repeat steps 2 - 3 to program as many as 99 tracks.)
5. Tap PLAY/PAUSE BUTTON (#5) to start the programmed play
6. You may repeat the current programmed track or all programmed tracks by pressing the PLAY MODE
BUTTON (#8) once or twice at programmed play mode.
7. Tap STOP BUTTON (#4) once to stop playback.
8. Tap PLAY/PAUSE BUTTON (#5) to resume programmed play.
9. To cancel programmed play and, press the STOP BUTTON (#4) twice.
A-B REPEAT PLAYBACK
1. During playback, press REPEAT A-B BUTTON (#7) at the point where you want to start playing
repeatedly.

Personal CD Player H797 Instructions for Use
Please read and retain these instructions for future reference v001: 07/04/21
Repeat A- is displayed on the display.
2. Press REPEAT A-B BUTTON (#7) at the point where you want to stop playing repeatedly.
Repeat A-B is displayed on the display. and the specified section (point A to point B) is played back
repeatedly.
3. Tap the STOP BUTTON (#4) to clear the A-B repeat playback setting and stop playback.
ANTI-SHOCK PROTECTION
This player incorporates an electronic anti-skip circuit to prevent interruption of the sound output when the
unit is subjected to shock, vibration or rolling during CD playback. The anti-shock system will automatically
activate when a disc is playing, the ESP indicator will appear in display and flashing.
Once anti-skip buffer is full, it will give you approximately 60 sec (MP3 120sec) of protection against
interruption of sound output. If the player is subjected to shock or rolling for longer than the buffer memory,
some interruption of sound output will occur. This is normal and to be expected and the sound will resume
once the player has stabilized from the shock or rolling disturbance.
Note: The anti-skip function provides for continues sound output when the unit is subjected to shock or
vibration. It will not compensate for errors arising from the use of defective, scratched or dirty discs.
BBS FUNCTION
Tap the BBS ON/OFF BUTTON (#10) to turn on the BBS to enhance the bass effect of the music. Tap again to
turn off the BBS.
HOLD FUNCTION
To prevent accidental function changes during active use, this unit is fitted with a function hold. After the
unit has been powered on and playing in CD, slide the HOLD SWITCH to ON position. HOLD INDICATOR will
show on the LCD display (#2).

Personal CD Player H797 Instructions for Use
Please read and retain these instructions for future reference v001: 07/04/21
RESETTING THE UNIT
In case of malfunction due to electrostatic discharge, reset the unit by disconnecting the DC plug of the AC
Adapter from its rear DC IN JACK (#15) and remove the batteries. Wait at least for 3 minutes before
reconnecting the DC plug to the DC IN JACK (#15) or insert the batteries.
CARE AND MAINTENANCE
1. Clean your unit with a damp (never wet) cloth. Solvent or detergent should never be used.
2. Avoid leaving your unit in direct sunlight or in hot, humid or dusty places.
3. Keep your unit away from heating appliances and sources of electrical noise such as fluorescent lamps or
motors.
4. If drop-outs or interruptions occur in the music during CD play, or if the CD
fails to play at all, its bottom surface may require cleaning. Before playing,
wipe the disc from the centre outwards with a good soft cleaning cloth.
TROUBLE SHOOTING GUIDE
SYMPTOM
POSSIBLE
SOLUTION
No sound
Battery no power
Replace all batteries with new ones.
Volume set at minimum
Increase Volume.
Unit not in CD mode
Switch to CD mode
CD is installed incorrectly
Insert CD with label side up.

Personal CD Player H797 Instructions for Use
Please read and retain these instructions for future reference v001: 07/04/21
CD player will not play
Batteries become exhausted
Replace all batteries with new ones.
It the CD is self-compiled, the
media used may not be
compatible with the player.
Use better quality blank media and
retest.
CD skips while playing
Disc is dirty or scratched.
Wipe CD with clean cloth or use
another disc.
Dirty or defective disc
Clean or replace the defective disc
Dirty pick up lens
Use a CD-lens cleaning disc to clean
the lens
Player is subject to excessive
shock or vibration
Relocate the player away from shock
or vibration
CD skips while playing
Batteries become exhausted
Replace all batteries with new ones.
SPECIFICATION
DISPOSAL
•Coopers of Stortford use recyclable or recycled packaging where possible.
•Please dispose of all packaging, paper, cartons, packaging in accordance with your local recycling
regulations.
•Plastics, polybags –Contains the following recyclable plastic.
•At the end of the product’s lifespan please check with your local council authorised household waste
recycling centre for disposal.