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During testing ist is advisable to use a battery dummy, connected to a power supply delivering +4V,
max 3A.
Make sure that you connect the battery dummy with the right polarity, the red plug to +4V and the blue
plug to ground.
If you use a voltage higher than +7V, or with wrong polarity, the phone can be
destroyed!
Overvoltage Conditions
a) Battery Voltage:
b) Charging Current:
-> Be careful with foreign accessories or chargers!
-> Make sure that the charging current is limited to a value below 1A!
S6 GSM / PCN Software Options
The following list will help you to understand what the different software options
are for and how they are used.
Keep in mind that many of these features are network dependent, a malfunction
cannot automatically be blamed on the handset.
V1.3
If the battery voltages rises above 6.2 Volts, the phone will
switch off and it cannot be switched on again before the
voltage is lower than 6.2 Volts.
If the battery voltage rises above 7 Volts the phone can be
destroyed.
The charging current must not rise above 1 A or the
phone (fuse) will be inoperable.
14
Private Communication Systems
Mobile Phones
PN MP ST
D. Schnoor
10/97
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