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GN Series Hardware Manual
26
3.3.5 Reset Button
To restart the GN unit e.g. after a system hang-up, press the reset button with a pen, for
example. The system restarts automatically; you do not have to switch the computer off and
on.
☞
NOTE
During a reset, all data in the main memory is erased.
3.3.6 Status LEDs
Status LED, storage medium (HDD/CF)
LED Status
Green CF activity.
Red
HDD activity.
Status LED, system
LED Status
Green The system is running.
Orange The system is in standby.
Orange blinks 4 times Battery is improperly connected. Switch the +/- pole.
Off
The system is disconnected from the power source.
☞
NOTE
• Use an isolating switch to turn the DC power supply on and off.
• The GN unit is only completely disconnected from the DC main power
supply when the DC power cord is disconnected either from the power
supply or the unit. Therefore, the DC power cord and its connectors must
always remain easily accessible.
3.3.7 Grounding Screw (M4) with Lock Washers
The housing of the GN unit must be grounded by establishing a large-area contact between
the grounding screw M4x19 (DIN7985) with 2 x lock washer M4 (DIN6797) and an appropriate
grounding connection point. The minimum cross section of the grounding conductor is 1mm
2
(AWG 18).
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