GPX PJ770B User manual

尺寸：210*145ＭＭ
80克书纸
黑白印刷

Mini Rechargeable Projector
With Bluetooth
User’s Guide for Model PJ770B v2716-01
For the most up-to-date version of this User’s Guide, go to www.gpx.com

23
Important Safety Instructions
• Read these Instructions.
• Keep these Instructions.
• Heed all Warnings.
• Follow all instructions.
• Do not use this apparatus near water.
• Clean only with a dry cloth.
• Do not block any ventilation openings. Install in accordance
with the manufacturer’s instructions.
• Do not install near any heat sources such as radiators, heat
registers, stoves, or other apparatus (including ampliers)
that produce heat.
• Do not defeat the safety purpose of the polarized or
grounding - type plug. A polarized plug has two blades with
one wider than the other. A grounding type plug has two
blades and a third grounding prong. The wide blade or the
third prong are provided for your safety. When the provided
plug does not t into your outlet, consult an electrician for
replacement of the obsolete outlet.
• Protect the power cord from being walked on or pinched
particularly at plugs, convenience receptacles, and the point
where they exit from the apparatus.
• Only use attachments/accessories specied by the
manufacturer.
• Unplug this apparatus during lightning storms or when
unused for long periods of time.
• Refer all servicing to qualied service personnel. Servicing
is required when the apparatus has been damaged in any
way, such as power-supply cord or plug is damaged, liquid
has been spilled or objects have fallen into the apparatus,
the apparatus has been exposed to rain or moisture, does not
operate normally, or has been dropped.
• Use only with a cart, stand, tripod, bracket,
or table specied by the manufacturer, or
sold with the apparatus. When a cart is
used, use caution when moving the cart/
apparatus combination to avoid injury
from tip-over.
FCC Warnings
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 o
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 dierent
from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician
for help.
Safety Instructions & Warnings
• If the air vents become clogged or dirty, use a vacuum or air
compressor and nozzle to clean. Do not use canned air, as the
gas may leave a residue inside the enclosure.
• CAUTION: TO PREVENT ELECTRIC SHOCK, MATCH
WIDE BLADE OF PLUG TO WIDE SLOT, FULLY
INSERT.
• Mains plug is used as disconnect device and it should remain
readily operable during intended use. In order to disconnect
the apparatus from the mains completely, the mains plug
should be disconnected from the mains socket outlet
completely.
• CAUTION: Use of controls or adjustments or performance
of procedures other than those specied may result in
hazardous radiation exposure.
• 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.
• WARNING: Use of this unit near uorescent lighting may
cause interference regarding use of the remote. If the unit is
displaying erratic behavior move away from any uorescent
lighting, as it may be the cause.
• WARNING: Shock hazard - Do Not Open.
• Caution and marking information is located at the rear or
bottom of the apparatus.
• WARNING: To reduce the risk of re or electric shock,
do not expose this apparatus to rain, moisture, dripping, or
splashing.
• Objects lled with liquids, such as vases, shall not be placed
on the apparatus.
• Do not place any objects, heavy or otherwise, on the
projector.
• This product meets and complies with all Federal regulations.
• See projector enclosure for related safety markings.
• No user serviceable parts inside, do not attempt to open the
unit or perform any repair. Doing so may cause damage or
injury, and will void your warranty.
• Refer all repairs or replacement to qualied service
personnel.
• Stop using the projector and unplug the power source
immediately if you notice the following:
–Smoke coming from the unit or power supply.
–Strange odors or noises coming from the unit.
–Liquid or foreign objects have gotten inside the unit.
–Unit has been dropped and enclosure has been damaged.
WARNING: To reduce the risk of electric
shock, do not remove cover (or back). No
user-serviceable parts inside. Refer servicing
to qualied service personnel.
ATTENTION
RISQUE D' ÉLECTROCUTION
NE PAS OUVRIR
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
The exclamation point within an equilateral
triangle is intended to alert the user to
the presence of important operating and
maintenance (servicing) instructions in the
literature accompanying the appliance.
This symbol indicates that this product
incorporates double insulation between
hazardous mains voltage and user accessible
parts.
The lightning ash with arrowhead symbol,
within an equilateral triangle, is intended to
alert the user to the presence of un-insulated
“dangerous voltage” within the product’s
enclosure that may be of sucient magnitude
to constitute a risk of electric shock to persons.
Battery Warnings
• WARNING: Do not ingest battery, Chemical Burn Hazard.
• If the remote control supplied with this product contains a
coin/button cell battery and the coin/button cell battery is
swallowed, it can cause severe internal burns in just 2 hours
and can lead to death.
• Keep new and used batteries away from children. If the
battery compartment does not close securely, stop using the
product and keep it away from children.
• If you think batteries might have been swallowed or
placed inside any part of the body, seek immediate medical
attention.
• CAUTION: Danger of explosion if battery is incorrectly
replaced. Replace only with the same or equivalent type.
• WARNING: There is a danger of explosion if you attempt
to charge standard Alkaline batteries in the unit. Only use
rechargeable NiMH batteries.
• Battery shall not be exposed to excessive heat such as
sunshine, re, or the like.
• Do not mix old and new batteries.
• Completely replace all old batteries with new ones.
• Do not mix alkaline, standard (carbon-zinc), or rechargeable
(ni-cad, ni-mh, etc) batteries.
• Batteries should be recycled or disposed of as per state and
local guidelines.
Additional Warnings and Precautions
• Do not look directly into the projector light.
• Use in well ventilated area with ambient temperature
between 41°F~104°C (5°C~40°C).
• Do not block any ventilation openings.
• To prevent risk of overheating, place the projector in an
area that does not block ventilation, such as an enclosure or
cabinet that might restrict airow.
• Do not place the projector on an unstable surface, such as a
loose stack of books, bed, or cushion.
• Do not cover the projector with a blanket, curtain, or similar.
• If setting up near a wall, leave at least 10 in. (25cm) between
the wall and the projector's ventilation ports.
• Use a power outlet that can be easily accessed and
unplugged.
• Do not block the light coming out of the lens. The light will
heat the object and may cause burns, cause it to melt or
catch re.
• When powering o the projector, allow the cooling cycle to
nish before handling or disconnecting the power supply.
• Do not use the projector if it has been damaged. Damage
could be (but not limited to):
–Unit has been dropped or something has been dropped
on it or into it.
–Something is loose or rattling inside the unit.
–Projector has been exposed to rain or liquid.
–Power supply or power cord is damaged.
• Do not use the projector in places where ammable gases or
explosives may be present.
• Do not use the projector in the following conditions:
–Extremely hot, cold, or humid environments
–Environments with excessive amounts of dust and dirt in
the atmosphere.
–Near appliances generating a strong electromagnetic
eld or heat.
–In direct sunlight.
WARNING : This product can expose you to
chemicals including lead, which is known to
the State of California to cause cancer and birth
defects or other reproductive harm. For more
information go to www.P65Warnings.ca.gov.
This product meets and complies with
required federal guidelines.

45
Table of Contents Overview
Features
• Supports 480p, 720p, 1080i, 1080p
• Native Resolution: 1280 x 720 (720p)
• Aspect Ratio: 16:9, 4:3 LB
• Brightness : 90 ANSI lumens
• Bluetooth wireless
• Rechargeable battery
• Carrying handle
• I/O: 2 x HDMI, USB, MicroSD card, AV, 3.5mm
Headphone Jack
• 30˝to 150˝viewable screen size
• Display distance: 3.3-16.4 ft. (1-5m)
• Built-in speaker
• Keystone angle correction and focus adjust
• Ceiling mountable (hardware not included)
Includes
• Remote control: requires 2 AAA batteries
(not included)
• 3.5mm to 3 x RCA audio/video cable
• AC/DC power adapter
• User's Guide
Overview
Features - 5
Includes - 5
Projector
Features & Inputs - 6
Projector Setup
Charging the Battery - 8
Image Adjustment - 8
Removing the Lens Cap - 9
Putting Lens Cap On - 9
Projector Placement - 10
Angle Adjustment - 10
Viewing Options - 10
Connecting to Other Devices
HDMI - 11
Audio/Video Input - 12
MicroSD & USB Storage Devices - 13
External Audio
Bluetooth - Pairing to Wireless Speakers or a Sound Bar - 14
Headphone Jack/Audio Out - 14
Mounting
Ceiling Mount - 15
Remote
Functions - 16
Batteries - 16
Menu Options
Picture Menu - 17
Sound Menu - 18
Options Menu - 19
Customer Support
Contact Information - 20
Warranty - 20
International Support - 20

67
IR
Features & Inputs
Projector
1. Projector Lens
2. Front Remote Sensor
3. Angle Adjustment Knob
4. Lens Cap
5. Battery Indicator
6. DC Power Port and
Charging Indicator
7. Main Power Switch
8. 3.5mm Audio Output
9. 3.5mm AV Input
10. MicroSD Card Port
11. USB Port
12. HDMI Input 1 & 2
13. Controls & Indicators
14. Keystone Adjustment
15. Focus Adjustment
14
13
12
11
3
2
8
9
10
1
5
7
6
4
Power
Press to power on
the projector.
Press to power
OFF. Note: Please
make sure Main
Power Switch
is ON.
Exit/Return
Press to return to
a previous page or
setting in the on-
screen menu(s).
Arrows/OK
Press to navigate on-screen
menu(s) and make selections.
Menu
Press to access
on-screen menu(s)
and options.
Source
Press to change
media source
mode.
Power Indicator
Indicator: Green
when powered
on. Red when in
standby mode.

89
Projector Setup
Charging the Battery
Connect the included charging cable to the DC Power Input on the projector and a standard power outlet. The
Charging Indicator will turn red while charging and it will switch to green when fully charged. Total charging time is
approximately 7 hours.
Switch the Power Switch to the ON position, then press the Power button to turn the projector ON or OFF. Battery life
is approximately 3 hours when at 50% Brightness/volume level. This unit has a Main Power Switch, which gives the
unit power and puts the unit in standby. When powered ON and in standby mode the battery will last approximately
5 hours.
ONOFF
Main Power Switch
Please make sure to flip this switch to the
ON position to power the unit.
NOTE: THE BATTERY INDICATOR
WILL FLASH WHEN THE
BATTERY IS LOW, PLEASE
RECHARGE.
Image Adjustment
Keystone Adjustment
For Keystone Correction, press the
OK
123
456
789
0
SOURCE
GOTO ZOOM/WIDE
MENU
FLIP VOL –VOL +
EXIT
buttons on
the remote.
You can also adjust Keystone Correction by pressing
the Menu button on the remote, going to the Options
Menu and selecting Keystone Correction. Use the
Up and Down Arrow buttons to manually adjust the
Keystone Correction.
Focus Adjustment
Increase or reduce image size to sharpen image.
Removing the Lens Cap
Please remember to remove the lens cap before attempting to view media.
Putting Lens Cap On
1. When putting the lens cap back on, please make sure that you retract the lens back
into the projector to avoid damaging the lens . You can do this by:
ONOFF
IR
1. Orient the projector with the lens facing you, as shown below.
2. Scroll the focus ring all the way to the left. Once the lens is fully retracted back
inside, you may then place the lens cover back on.

10 11
Connect to HDMI on
laptop or PC. Connect to HDMI on DVD,
Blu-Ray, or other source.
HDMI
HDMI offers superior sound and picture quality, and is the easiest way to play media from a computer, Blu-Ray player,
or other device with an HDMI output.
Requires an HDMI cable (not included) and a device with an HDMI output.
1. Using an HDMI cable, connect the HDMI 1 or 2 input on the projector to the HDMI output on your media
player or computer.
2. Set the projector's Source to the connected HDMI input and use the controls on the connected device to select
and play media.
HDMI Inputs
Connecting to Other Devices
Important Note:
If there is no sound from the projector's internal speakers when connected via HDMI, please check the connected
device's audio settings and make sure it is set to "PCM Stereo" mode. This unit does not support Dolby.
Projector Placement
For best results, place the projector in a dark room or other dimly lit area. The projector will display a screen size from
30˝to 150˝. Adjust the projector angle and distance to best suit your needs.
Use the unit with a dedicated projector screen for best picture resolution. If placing the projector behind the viewing
screen (unit in front of/projecting toward viewers), a special screen will be required. Projector screens are not included.
If you are not using the unit with a screen, a smooth, white or lightly colored surface will provide the best results.
Use the Angle Adjustment Knob
to fine tune the projector's height.
Angle Adjustment
Viewing Options
The projector can be used to project onto a wall or screen. It can be mounted from a ceiling or placed on a table.
Be sure to aim the remote at the sensor on the front or rear of the projector. See page 6 for sensor locations on the
projector. When projecting from the rear position, a special screen will be needed (not included) to display the image.
Note: Please remember to
remove lens cover.

12 13
Audio/Video Input
Requires a 3.5mm to RCA audio/video cable (included).
1. Connect the 3.5mm to RCA audio/video cable to the AV input on the unit.
2. Connect the 3.5mm to RCA audio/video cable to the RCA stereo audio outputs and composite video output on
the media player.
3. Set the projector's Source to AV and use the controls on the connected player to select and play media.
Connect AV cable (included) to
media player's AV outputs.
Audio Left Channel - White
Audio Right Channel - Red
Video - Yellow
AV IN
R
AUDIO OUT
L VIDEO
VIDEO OUT
Connecting to Other Devices
MicroSD & USB Storage Devices
Supports MicroSD cards and USB drives up to 128GB. Supports AVI, MOV file formats.
1. Load a USB drive into the USB Port.
2. Set the Source to Media Player, then use the Arrow buttons to select "C:Drive" or "D:Drive" (C:Drive is the SD
card, D:Drive is the USB).
3. Use the Arrow buttons to select Video/Music/Picture, then press the OK button to begin playing content from
the connected storage device.
Important Notes:
• This Unit supports up to 128GB, please make sure that the USB drive or MicroSD card you are using is
128GB or less.
• Please make sure the file that you are trying to play is smaller than 4GB.
• Please check to make sure that the media you are trying to view is one of the following supported formats
(Mpeg1, Mpeg2, Mpeg4, MP3, Jpeg).
• If you are using an exFAT MicroSD card or USB drive you will need to convert it to FAT32 or NTSF format.
USB Port MicroSD Card Slot
Connecting to Other Devices

14 15
External Audio
The PJ770 has built-in full range speakers. However, you can also connect external speakers for more sound options.
Bluetooth - Pairing to Wireless Speakers or a Sound Bar
NOTE: Bluetooth is OFF by default when the projector first powers ON. Bluetooth can be turned ON or OFF from
the OPTIONS Menu (See Page 19).
1. Enable Bluetooth on the external speakers, or sound bar (Bluetooth receiver) to which you wish to connect.
2. Power on the projector and make sure the projector's Bluetooth is ON (see note above). The projector will begin
searching for nearby Bluetooth devices to connect to.
3. Using the projector's Arrows/OK buttons, select the Bluetooth speaker you want to connect to from the
Bluetooth menu. Note: To eliminate confusion, disable Bluetooth on all receivers to which you do not wish
to connect.
4. When successfully paired, the Bluetooth receiver should indicate it is connected, usually with a chime or tone.
Check the user manual on your Bluetooth receiver for more information.
5. When successfully connected, the projector will display the Bluetooth receiver's (your speaker or sound bar)
name on the top right portion of the Main Menu screen, and sound played from the projector will be heard
through the Bluetooth receiver.
After initial pairing, the projector and the Bluetooth speakers will stay paired unless unpaired manually by the user, or
erased due to a reset of either device. If this occurs or you find either unit is unable to connect, repeat the above steps.
Headphone Jack/Audio Out
Requires a 3.5mm to RCA audio/video cable (included).
Note: Speakers must have their own power supply.
1. Using a 3.5mm to RCA stereo cable (included), connect the external powered speakers to the Headphone Jack
on the projector. Note: The yellow video plug will not be needed in this setup and will not need to be connected.
2. The projector will automatically detect the connection and send audio signal to the speakers.
Headphone Jack
Connect AV cable to speaker:
Audio Left Channel - White
Audio Right Channel - Red
Video (Yellow) plug will
NOT be needed in this instance.
Ceiling Mount
To mount the projector from the ceiling, you will need mounting hardware as recommended by a professional.
Mounting hardware and instructions are not included.
Before mounting, be sure the ceiling structure can support the weight of the projector and the mount itself. It is
recommended to have this unit mounted by a professional.
Ceiling mount location
Mounting

16 17
Select Menu Adjust
Picture Mode Standard
Contrast 50
Brightness 50
Color 50
Sharpness 50
Tint 50
Color Temperature Medium
Aspect Ratio Auto
Noise Reduction Middle
1. Picture Mode
Select Vivid, User (custom), Soft, or Standard.
2. Contrast, Brightness, Color, etc.
Set Picture Mode to "User" to adjust these settings.
3. Color Temperature
Select Warm, Cool, or Medium.
4. Aspect Ratio
Select 16:9, 4:3, or Auto.
5. Noise Reduction
Select Off, Low, Middle, High or Default.
Change projector settings by pressing the Menu button and selecting the options you want to change.
Note: Not all settings are user adjustable.
Picture Menu
Menu Options
Functions
Remote
Power
Press to power ON.
Press to power OFF.
Keystone Adjustment
Adjust image corners to reduce image
distortion.
Stop
Press to stop playback.
Flip
Press to flip display image 180°.
Play/Pause
Press to play or pause an individual
chapter or track.
Arrows/OK
Press to navigate and confirm selections in
Settings and other menu(s).
Menu
Press to access projector Settings.
GoTo
Press to enter specific chapter or track.
Mute
Press to mute volume.
Digital Zoom
Press to zoom display image in or out.
Vol + / Vol −
Press to adjust audio level.
Source
Press to select media source
(AV, HDMI 1, HDMI 2, MEDIA).
Back / Fwd
Press to search through an individual
chapter or track.
Exit
Press to exit menu(s).
Zoom/Wide
Press to adjust the aspect ratio of video
(Auto/16:9/ 4:3)
Go To/Number Keypad
Press to enter specific chapter or track
numbers. Press Play when ready.
OK
1
23
456
789
0
SOURCE
GOTO ZOOM/WIDE
MENU
FLIP VOL –VOL +
EXIT
AAA / UM4
AAA / UM4
BATTERY DOOR
Batteries
Requires 2 AAA batteries (not included).

18 19
Select Menu Adjust
OSD Language English
BlueTooth off
Restored Factory Default
Panel Flip Rotate 0
Keystone correction 0
Digital Zoom 0
Info
1. OSD Language
Select English, French, or Spanish for the On Screen Display.
2. Bluetooth
Select to connect to a Bluetooth device.
3. Restore Factory Default
Reset the projector and restore all of the default settings.
4. Panel Flip Rotate
Select to change projection mode (Front, Rear ceiling, Front ceiling, Rear).
5. Keystone Correction
Select to adjust image corners to reduce image distortion.(0-22).
6. Digital Zoom
Select to zoom display in or out (0-10).
7. Info
Select to display the unit information.
Options Menu
1. Sound Mode
Select Music, Movie, User (custom), Sports, or Standard.
2. Treble & Bass
Set Sound Mode to "User" to adjust these settings.
3. Balance
Adjust the audio balance.
Sound Menu
Sound Mode Standard
Treble 50
Bass 50
Balance 0
Surround Sound off
Select Menu Adjust
Menu Options

Contact Information
Website: www.gpx.com
Email Support: [email protected]
Email Parts: [email protected]
Phone Support: 1-888-999-4215
Warranty
For Warranty Information and the most up-to-date version of this User’s
Guide, go to: www.gpx.com
International Support
To download this User’s Guide in English, Spanish, and French, or to get answers
to frequently asked questions, visit the support section at: www.gpx.com
Para descargar este Manual del Usuario en inglés, español y francés, o para obtener respuestas a preguntas frecuentes,
visite la sección de apoyo en: www.gpx.com
Pour télécharger ce guide de l’utilisateur en anglais, espagnol ou français, ou pour obtenir des réponses à des
questions fréquemment posées, consultez la rubrique d’assistance sur: www.gpx.com
Copyright © 2021 Digital Products International (DPI, Inc.) All other trademarks appearing herein are the property of
their respective owners. Specifications are subject to change without notice.
Customer Support
Protect for Today
Sustain for Tomorrow
Made
Green
FCC Warning
This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1)
this device may not cause harmful interference, and (2) this device must accept any inte rference received,
including interference that may cause undesired operation.
Changes or modifications 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 interferenceto 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.
Radiation Exposure Statement
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This
equipment should be installed and operated with minimum distance 20cm between the radiator and your
body.