GB-2
Power connection
Plug the AC POWER CORD (15) to a household outlet AC source. This unit is equipped with a
battery backup system, it requires a 3V CR2032 (flat) lithium battery (not included). Insert
the battery in the BATTERY COMPARTMENT (24), making certain that the positive and
negative (+ and -) battery terminals are attached to the corresponding terminals on the plate
in the battery compartment. If an AC power failure occurs, the clock automatically switches
to the battery power supply, the clock and timer memory continue running. When the AC
power resumes, the clock switches back to AC again.
Time, calendar and alarm settings
A. Setting time and calendar
Press MODE button (19) in normal mode and keep depress over 2 seconds to enter time
set mode, after enter the setting mode, press MODE button (19) to change the mode
cycle as follows:
Normal mode → Year → Month → Day → 12/24 H → RTC Hour → RTC Min → Normal
mode
Action (during data adjustment):
- Press << / MONTH-DAY / °C/°F button (17) to adjust data backward.
- Press >> / YEAR / DST button (18) to adjust data forward.
- Keep depress << / MONTH-DAY / °C/°F button (17) or >> / YEAR / DST button (18) button
for 2 seconds to enable auto backward/forward.
B. Setting alarm 1 and alarm 2
Press ALARM SET button (16) during normal mode and keep depress over 2 seconds to
enter the alarm set mode, after entering the setting mode, press the ALARM SET button
(16) to change the mode cycle as follows:
Normal mode → AL.1 Hour → AL.1 Min → AL.1 Weekday Alarm → AL.2 Hour → AL.2 Min
→ AL.2 Weekday alarm → Normal mode
Select alarm weekday mode as follows
1-5 Monday to Friday
1-7 Whole week
6-7 Saturday and Sunday
1-1 One day of the week
