ST 4000 SPECIFICATIONS
Altimeter
Current Altitude: –4,000 to 30,000 feet in 5 foot increments
–1,330 to 10,000 meters in 1 meter increments 
Weather
Sea Level  28.84 to 31.00 inches of mercury with .01 resolution 
Barometer: 977 to 1,050 millibars with 1 millibar resolution 
Temperature:  32º F to 122º F in 1° increments
0º C to 50º C in 1° increments 
Sport Functions
Ve rtical Ascent  To 999,995 feet in 5 foot increments 
and Descent: To 999,995 meters in 1 meter increments 
Maximum –4,000 to 30,000 feet in 5 foot increments 
Altitude: –1,330 to 10,000 meters in 1 meter increments
Runs: To 199; 
run counter is tripped by a 150 foot/50 meter 
descent
Clock/Calendar
Time of Day:  12 or 24 hour format; to 1 second 
Alarm:  To one minute 
Date:  Month/day/year (US) format
Day/month/year (European) format 
Stopwatch
Elapsed time and Splits: Resolution .05 second to 29:59.95,
1 second 30:00 to 23:59:59 
Memory:  Up to 32 splits 
General Specifications
Water Resistance:  To 100 feet/To 30 meters 
Battery: 
CR2032 Lithium; approximately 4-year life 
Display:  Single row, 6 characters 
Operational Temperature:
32º F to 122º F 
Range:  0º C to 50º C 
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