GVA GVAC1 User manual

TIPS / IMPORTANT:
All safety and operation instructions should be read thoroughly before
proceeding and please keep the handbook for future reference.
GVAC1
Digital Alarm Clock
With Dual USB Charger


1. Features and Functions
• Large, dimmable LCD display
• Dual USB charger (output 5V 2.1amp + 5V 1.0amp)
• Snooze function
• Built in thermometer
• Melody alarm with adjustable volume
• Easy set rotating dial
2. Included in this package
(Please check the accessories included in this package after purchasing)
C1 main unit 1 pc Power adaptor 1 pc
User manual 1 pc Warranty card 1 pc
Statutory notice 1 pc
3. Diagram of the LED Display & Controls
① ROTARY BUTTON
② ALARM SETTING BUTTON
③&④ USB CHARGING PORT
⑤ POWER INPUT JACK
⑥ TIME SETTING SWITCH
⑦ TEMPERATURE SWITCH (ºC / ºF)
⑧ TEMPERATURE SENSOR
⑨ 12H/24H SWITCH
⑩ VOLUME CONTROL
③ ④
①
②

4. Operation Instruction
4.1. Charging for smart devices
When charging the device via USB cable (not supplied), the battery icon on the LCD display will
light up. The power grid will flash to indicate charging. The icon stops flashing when fully charged.
4.2. Time Setting
Slide TIME SETTING SWITCH ⑥ to the time setting mode , the time on the
display begins to flash, turn the top ROTARY BUTTON① to select current time, then slide TIME
SETTING SWITCH ⑥ into lock mode , the LCD display will stop flashing.
4.3. Alarm Setting
• Press the top ALARM SETTING BUTTON ② to set alarm, icon will light up and flash on
the LCD. Turn ROTARY BUTTON ① to select the alarm time, then press ROTARY BUTTON ① to
confirm the setting. The alarm icon will stop flashing automatically in 5 seconds if no operation
occurs.
• To turn off alarm. Press and hold the top ROTARY BUTTON ① for 3 seconds to stop the alarm
when alarm sounds. Press the ALARM SETTING BUTTON ② to cancel the alarm setting.
• Snooze function. Tap ROTARY BUTTON ① when the alarm sounds, the alarm will activate again
in 9 minutes.
• Volume setting. When the alarm sounds, the sound will become louder gradually, and reach the
⑤
⑥ ⑦ ⑧ ⑨ ⑩

loudest. The user can adjust the maximum sound through VOLUME CONTROL .
• Automatically cancel alarm. The alarm will sound for 30 minutes if no button is pressed, after 30
minutes, the alarm will be cancelled automatically.
4.4. 12H / 24H Switch
Use the 12H/24H SWITCH ⑨ behind the unit to select 12 hour or 24 hour display.
4.5. Thermometer
Use TEMPERATURE SWITCH ⑦ to switch between Celsius and Fahrenheit display.
4.6. Display Brightness Adjustment
Tap ROTARY BUTTON ① to adjust brightness of the LCD display.
4.7. Restore Factory Settings
To restore factory settings, disconnect the power supply and remove the battery (not included),
then reconnect.
4.8. Back-up Battery
The clock has a back-up power system to ensure continuous operation of the clock and alarm in
the event of a power failure. The switch from AC to battery power is automatic. However, under
battery power the clock display will not illuminate even though the clock will maintain the current
time and will store the alarm time in its memory. The system operates on 3 x AAA batteries (not
included). We recommend the use of a long life battery to ensure maximum performance.
SPECIFICATIONS:
Power source: AC 100-240V (50/60 Hz)
Input power: DC5V 3A
USB output: 5V 2.1amp + 5V 1.0amp (Max.Total Load 3A)

M.E.W (Australia) Pty Ltd
15 Vaughan St
Essendon Fields VIC 3041
ACN 152 719 036
1300 725 885
While every effort has been made in the preparation of this instruction manual, the publishers
cannot be held responsible for the accuracy of the information contained herein or any
consequences arising from it.