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40
Memory backup battery
• Approx. 5 years (if operating batteries are
replaced promptly when exhausted)
• Approx. 1 years (if operating batteries are
exhausted or not installed)
Operating
0°C to 40°C (32°F to 104°F)
temperature
Exterior
dimensions
Open 138 (W) × 146 (D) × 9.9 (H) mm
5 -7/16” (W) × 5 -3/4” (D) × 3/8” (H)
Closed 138 (W) × 77.5 (D) × 19.4 (H) mm
5 -7/16” (W) × 3 -1/16” (D) × 3/4” (H)
Weight Approx. 145g ( 0.32lb.)
(including batteries)
Accessories Lithium batteries (CR2032 × 3: installed in the
factory at the time of shipment), Operation
manual
Time system 12-hour or 24-hour
World clock Display of date and time for the world cities
function
Enable/disable control for daylight saving time
display function
Common
Power Main power supply:
6V
(DC) lithium batteries (CR2032 × 2)
Memory backup power:
3V (DC) lithium battery (CR2032 × 1)
Power
0.1W
consumption
Battery life Operating batteries
• Approx. 1200 hours
When data is continuously displayed without
Backlight (at 25°C/77°F).
• Approx. 300 hours
When data is continuously displayed with
Backlight for 2 minutes per hourly use (at
25°C/77°F).
• Approx. 270 hours
When data is searched for 5 minutes, and
displayed for 55 minutes per hourly use and
Backlight is on for 2 minutes per hourly use (at
25°C/77°F).
• Approx. 1.5 years
When turned off, and the clock is running (at
25°C/77°F).
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