Schiller AT-101, Service Handbook

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Page 15
Operation 3
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Service Handbook Start-up and Initial Preparation 3.1
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3.1.2 Battery Operation
3.1.3 Switching ON and OFF
3.1.4 Isolating the Mains Supply
To isolate the power supply, remove the mains plug from the wall socket.
(see
Fig. 3.1)
3.1.5 Potential Equalisation
A yellow/green ground cable for connection to the potential equalisation stud is sup-
plied as an option (Article number 2.310005).
3.1.6 LCD contrast ad`ustment
Important
The unit can either be operated from the mains supply or from the built-in rechargea-
ble battery. The power source is indicated on the top line of the LCD. The internal bat-
tery provides power for up to 3 hours.
• When the unit is running on battery power a battery symbol (1) is displayed.
• When working from battery power, the unit is automatically switched off after 5 min-
utes (30 seconds if battery capacity is limited) if no key is pressed.
• for Battery recharging refer to chapter 5.4.
• The unit can remain connected to the mains supply without damage to either the
battery or the unit.
"
The AT-101 is switched ON and OFF with the ON/OFF key.
1
HR:
78 / min
Filter on
The potential equalisation stud (see Fig. Fig. 3.1) at the rear of the unit can be used
to equalise the ground potential of the AT-101 to that of all mains powered equipment
in the vicinity. Use the hospital or building common ground
!
To prevent the possibility of leakage current when an external printer is connect-
ed, always ensure that the mains lead, or the potential equalisation (next to the
mains connector), is attached to the AT-101
"
Press the function key FN and the UP/DOWN arrows to adjust screen contrast.