User's Manual
Viewsonic Tweety RF Remote Rev 2.9A November 05, 2001
Universal Electronics Inc. Confidential Page 59 of 63
9 ENVIRONMENTAL & SHOCK REQUIREMENTS
9.1 Temperature
Operating range:
0°C to +50°C
Non-operating range:
-10°C to +60°C
9.2 Humidity Test
The unit under evaluation will be exposed to 40±3°C, 95% relative humidity, non-
condensing for 24 hours without batteries or power. Functional tests will be performed
after the HRC has stabilized at normal room conditions for two hours.
9.3 Low Temperature Test
The unit under evaluation will be exposed to -20±3°C for 24 hours without batteries or
power. Functional tests will be performed after the HRC has stabilized at normal room
conditions for two hours.
9.4 High Temperature Test
The unit under evaluation will be exposed to 60±3°C for 24 hours without batteries or
power. Functional tests will be performed after the HRC has stabilized at normal room
conditions for two hours.










