8
device and should not be subjected to
extremes of temperature or rough handling.
Use a clean, soft cloth to clean your computer.
Do not use chemical cleaning agents as this
may damage the casing.
5.4 Technical specifications
Processor speed:
3.5 MHz
Screen:
Liquid Crystal Display
(LCD)
Keys:
32
Power consumption: 100mW max.
Batteries:
four
1.5V mini-penlite
AAA/AM4/R03; Alkaline
type recommended
Dimensions:
198
✕
108
✕
34mm
Weight:
0.28 Kg
Do not use rechargeable batteries.
To set the score to zero press SCROLL until “r
s t” (short for “reset”) appears on the display
then press ENTER. Press SCROLL to see the
above again, or ESCAPE to return without
resetting the score.
5. Technical Details
5.1 Weak batteries
Weak batteries can cause incorrect displays on
the LCD or wrong bids and responses. Always
use fresh batteries and replace regularly. Turn
the computer off when not in use to conserve
power energy.
5.2 ACL key
If the computer fails to respond after you have
inserted a new set of batteries, your unit may
have locked up due to static discharge. Turn
off the computer, insert a pin or another sharp
object into the hole marked ACL and press
down for at least 2 seconds to reset the
computer.
5.3 Care and maintenance
Your Pro Bridge 310 is a precision electronic
