Psion 8585, User Manual

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Psion 8585/8595 Vehicle-Mount Computers User Manual
Chapter 3: Basic Operation
Connecting External Devices
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3.6 Connecting External Devices
The 8585 must be disconnected from the power supply:
• Before external devices (e.g., scanner, keyboard) are connected or disconnected, and
• Before the 8585 can be connected to a network.
All connections and interfaces on the 8585 are located on the underside of the unit.
3.7 Powering Up the 8585
Only power up the 8585 after connecting all of the devices.
The 8585 is powered up by connecting it to an appropriate power supply and then, depending on the
version of the device, either using the [Power] key or the ignition signal.
You have to hold the [Power] key down for a short time.
Figure 3.11 8585 Power key
3.8 Powering Down the 8585
Always shut down the 8585 as follows:
1. Power down the device using the ignition input or the [Power] key.
2. Remove the cable cover.
3. Disconnect the device from the DC supply voltage (pull the plug).
Caution:
Property
Damage Make sure that external peripheral devices with their own power supply are switched on at the
same time as the 8585 or after you start the 8585. If this is not possible, please ensure that
the 8585 is adequately protected from power leakage caused by an external device.
Only power up the 8585 when all devices have been connected and the 8585 has been closed
correctly (remember the cable cover!). Otherwise, you may damage the 8585.
Caution:
Property
Damage Make sure there is a suitable disconnecting device such as a power switch or circuit breaker in
the power supply circuit.
Power key