www.javad.com Maxor Operator’s Manual 4-17
OPERATION
Clearing the NVRAM
Clearing the NVRAM
The receiver's Non-Volatile Random Access Memory (NVRAM) holds data
required for satellite tracking, such as almanac and ephemeris data, and receiver
position. The NVRAM also keeps the current receiver's settings, such as active
antenna input, elevation masks and recording interval, and information about
the receiver's internal file system.
Even though clearing the NVRAM is not a common (nor normally a
recommended) operation, there
are times when clearing the NVRAM can
eliminate communication or tracking problems. Clearing the NVRAM in your
Maxor can be interpreted as a "soft boot" in your computer.
After clearing the NVRAM, your receiver will require some time to collect
new
ephemerides and almanacs (around 15 minutes).
Clearing the NVRAM of your receiver will not
delete any files al
ready recorded
in your Maxor's memory. However, it will reset your receiver settings to factory
default values.
In addition, the NVRAM keeps information about the receiver file system. Note
that
after clearing the NVRAM, the receiver's STAT LED will flash orange for
a few seconds indicating that the receiver is scanning and checking the file
system.
Firmware versions 2.2p1 or higher keep the PDL modem on after clearing the
NVRAM.
You can clear the NVRAM using the MinPad or PCView.
Using MinPad to Clear NVRAM
1. Press the power key to turn off the receiver.
2. Press and hold the FN key.
3.
Press and hold the power ke
y for about one second. Release the power
key while continuing to hold the FN key.
4. Wait until the STAT and REC LEDs are green
5. Wait until the STAT and REC LEDs blink orange.
6. Release the FN k
ey while the ST
AT and REC LEDs blink orange.
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