GE H48651KR, Руководство по обслуживанию

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GE V
OLUSON
i / V
OLUSON
e
D
IRECTION
KTI106052, R
EVISION
10 S
ERVICE
M
ANUAL
5-26 Section 5-4 - Back End Processor
5-4-11 RTC Battery
The RTC battery provides power to the ETX ‘Real time clock‘.
5-4-12 Power Management Block
The Power Management block provides the functionality described below.
• Supports Three Power Modes:
- Full performance
- Standby mode
- Shutdown mode
• Battery and External AC/DC Source Status Indicators Control
Two sets of LEDs are provided for the following indications:
- Battery status (Green ‡ High, Orange ‡ Low)
- External AC/DC source status (Green
Æ
system is powered from external source)
- In case both or one of the LEDs is flashing, the system is in standby mode.
NOTE: For further details about Indicatons of AC Adapter and Battery Status,
refer to
Chapter 7 - How to check System Status Indicator LEDs on page 7-6 .
• Power On/Off Buttons
Power On/Off Button
- This is an instantaneous push-button
Figure 5-8 Status Indicator LEDs on Voluson i / Voluson e
Battery
AC Adapter
Status LED
Status LED