Dell Vostro 3405, Setup And Specifications Manual

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Table 21. Keyboard specifications (continued)
Feature Specifications
Backlit keyboard Optional (backlit and Non-backlit)
Layout QWERTY
Fingerprint reader in Power Button
Table 22. Fingerprint reader specifications
Description Values
Sensor technology
Capacitive Capacitive
Sensor resolution
363 dpi 500 dpi
Sensor pixel size
76 x 100 108 x 88
Sensor and control specifications
Table 23. Sensor and control specifications
Specifications
1. Hall Effect Sensor (Detects when the lid is closed)
Computer environment
Airborne contaminant level: G1 as defined by ISA-S71.04-1985
Table 24. Computer environment
Description Operating Storage
Temperature range
0°C to 35°C (32°F to 95°F) -40°C to 65°C (-40°F to 149°F)
Relative humidity (maximum)
10% to 90% (non-condensing) 0% to 95% (non-condensing)
Vibration (maximum)
*
0.66 GRMS 1.30 GRMS
Shock (maximum)
110 G† 160 G†
Altitude (maximum)
-15.2 m to 3048 m (4.64 ft to 5518.4 ft) -15.2 m to 10668 m (4.64 ft to 19234.4
ft)
* Measured using a random vibration spectrum that simulates user environment.
† Measured using a 2 ms half-sine pulse when the hard drive is in use.
22 Technical specifications