There is a top button & 3 bottom buttons. The altimeter display is not covered when using these buttons. The altimeter can be worn on right or left wrist and is angled toward the parachutist line of sight/  The altimeter comes with a removable wrist strap or can integrated directly into garments if needed.

Features:

Pre-loaded, customizable, graphical user interface (GUI) styles.

Backlight and color schemes options:

• Daytime (bright), Night (reduced brightness)
• NVIS (Monochromatic scheme night optics optimized)

Auto lockout for safety during ops, simple unlock/lock:

• Configuration menu lockout by PIN codes to manage fleet settings.

Display auto scaling for high and low altitude with warnings and alerts.

Intelligent Design:

Smart icons to aid user in navigating menus and locate buttons:

• Lock / Unlock, Direction arrows, confirmation.

Advanced ground and live flight data:

• Altitude
• Vertical descent rate
• Estimate time to ground (current speed)
• Current temperature
• Atmospheric pressure
• Current Time

Technical Specifications:

Full color display: 2.4” AMOLED Display 450 x 600 pixel
Size at wrist: 2.50” x 3.00” x 0.75” inch (64 x 76 x 20 mm )
                     32mm (1.25”) max height at battery compartment.
Altitude range: 0 to 35,000 + feet MSL (0 to 10,500 + meters MSL)
Offset: User entered QNH or QFE value for distant drop zone ground reference
           +- 10,000 feet (3,000 m) elevation adjustment
Temperature range: -45 °F to +158 °F (-43 °C to +70 °C)
Water resistance: 3 meters for 30 minutes
                             No maintenance or filter changes; clean freshwater rinse then 24 hours dry time
Power: CR123A user replaceable Lithium COTS battery
Calibration: Self-calibrating and self-testing
Clock: Real Time Clock (RTC) for date and time keeping
Jump Log: 100 jump records

P/N 73-24-001-8005
P/N 73-24-601-8005 Berry Compliant