Varian CP-4900 Micro-GC User manual - page 14
Battery Charger
Page: 8
User Manual Battery Pack and Charger
Varian, Inc.
Features
•
Micro controller controlled charging
•
Test phase at the beginning of the charging in order to recognize and indicate
defective Battery Packs.
•
Short circuit detection and electronic protection against reversed battery.
•
Battery condition at the beginning of the charge is of no importance for the Battery
Packs.
•
Supervision of the charging condition by a micro controller during the whole
charging time.
•
Safety stages like voltage gradient supervision and –delta U switch off as well as a
safety timer are integrated.
•
Possibility of discharging of the Battery Pack before use by pressing a button; after
that, automatic switching over to charging.
•
State indication through illuminated display.
LEDs
Battery fully charged, trickle charge
LED flashing:
1. Good contact during test
phase (10 sec.)
2. Battery pack is not connected
properly with regards to the
polarity.
3. It indicates the defective
battery pack or unsuitable
number of cells.
4. It indicates the discharging
after pressing the PRESS
button.
LED permanent:
Battery is charging.
By pressing [for about two (2) seconds] this button,
discharging of the battery is started. This procedure
should only take place after the test phase!