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Dolphin® 7850 Mobile Computer
User’s Guide
Rev C
4/30/2008
9 - 1
9
Dolphin HomeBase Device
Overview
As the hub of your system, the Dolphin HomeBase device charging and communication cradle supports
both RS-232 and USB communication, enabling your terminal to interface with the majority of PC-based
enterprise systems.
Communication
RS-232 transmits data at speeds of up to 115 Kbps. With USB port, the data transmission rate goes up
to 12 Mbps.
HomeBase devices cannot be physically connected to each other–sometimes referred to as “daisy-
chaining”–but can be networked together through serial or USB hubs.
Convenient Storage
Intelligent battery charging makes the HomeBase device a safe and convenient storage receptacle for
your terminal.
Capacity
The HomeBase device can charge two battery packs: the one that’s installed in the terminal seated in the
well and the other in the auxiliary battery well on the back panel. While charging the battery pack in the
terminal, the HomeBase device also powers the Dolphin terminal. The auxiliary battery well charges a
battery pack independently of the terminal well.
Intelligent Battery Charging
The HomeBase device completes a full charge of the main battery pack in less than four(4) hours.
In addition to charging, the HomeBase device powers the intelligent battery charging system in the
terminal that protects the battery from being damaged by overcharging. The terminal senses when a
battery pack is fully charged and automatically switches to a trickle charge that maintains the battery at
full capacity.
As a result, terminals may be stored in the HomeBase device without damage to the terminals, battery
packs, or peripherals.
Power Supply
The HomeBase device is available with US, UK, and European power supplies. Each version is designed
to convert the voltage from the power sources in each geography to the 7.4 volts DC required by the
terminal.
Use only the Li-ion battery packs provided by Honeywell. Use of any battery not sold/manufactured by
Honeywell may result in damage not covered by the warranty.
Use only the peripherals, power cables, and power adapters from Honeywell. Use of peripherals, cables, or
power adapters not sold/manufactured by Honeywell may cause damage not covered by the warranty.
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