Getting Acquainted
P/N 7010-0557 www.topconpositioning.com
1-13
The internal radio modem comes with a number of preset
channels programmed at TPS. Complete information
regarding the radio system can also be found in the radio
modem’s documentation.
Power Board
The internal power board manages receiver power and
battery charging, and is connected to the receiver board and
the batteries. The power board receives power from the
internal batteries, even when the receiver is turned off. This
feature allows the internal batteries to charge, regardless of
the receiver’s status (on or off). To prevent the batteries
from discharging when the receiver is stored, put the
receiver in Zero Power Mode (see “Zero Power Mode” on
page 4-21 for more information). The batteries will not
charge in this mode.
The power board’s processor and firmware are independent
of the receiver card. To ensure firmware compatibility, the
GPS receiver board and power board must be loaded with
firmware from the same package.
GPS+ Receiver Board
The receiver is supplied with one of the following receiver
boards:
• Euro-80 card for HiPer Lite receivers
• Euro-112 card for HiPer Lite+ receivers
Depending on the purchased options, these cards are
capable of processing the following signals:
• GPS L1 or GPS L1/L2
• GPS/GLONASS L1 or GPS/GLONASS L1/L2
Table 1-2 on page 1-14 lists the options available for these
cards.
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