3-2 Subject to Export Control, see Cover Page for details.
3-1-2. PRELIMINARY SERVICING AND ADJUSTMENT OF EQUIPMENT
1. Remove the 3500 / 3500A from the Soft Carrying Case or Transit Case.
2. Perform the Turn-On Procedure (para 2-4-1).
BATTERY PRECAUTIONS
The 3500 / 3500A is powered by an internal Lithium Ion battery pack. The 3500 / 3500A is supplied
with an external DC Power Supply that enables the operator to recharge the battery when connected
to AC power. The 3500 / 3500A can operate continuously on AC power via the DC Power Supply, for
servicing and/or bench tests.
The internal battery is equipped to power the 3500 / 3500A for five hours of continuous use, after
which time, the 3500 / 3500A battery needs recharging. When the POWER Indicator is GREEN, the
battery is at >25% capacity. When the POWER Indicator is YELLOW, the battery is at <25% capacity.
If the battery level, shown in the BAT Field on most Test Screens, drops to 10 (10%), the 3500 /
3500A powers down automatically.
The battery charger operates whenever DC power (11 to 32 Vdc) is applied to the 3500 / 3500A with
the supplied DC Power Supply or a suitable DC power source. When charging, the battery reaches
an 100% charge in approximately four hours. The internal battery charger allows the battery to
charge between a temperature range of 5° to 45°C. The 3500 / 3500A can operate, connected to an
external DC source, outside the battery charging temperature range (5° to 45°C). Allow 20 minutes
for the battery to charge when turning the 3500 / 3500A ON from a dead battery condition.
The battery should be charged every three months (minimum) or disconnected for long term inactive
storage periods of more than six months. The Battery must be removed when conditions surrounding
the 3500 / 3500A are <-20°C and >60°C)
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