58
Z-Surveyor & Z-FX Operation Manual
Antenna Overload
Antenna installation
problems, i.e. the set-
up is drawing more
than 150 milliamps
(short on antenna
cable or LNA drawing
too much current)
Check antenna connection for bad cable or bad
LNA.
No Antenna Detected
Does not sense any
antenna: WARNING,
this will be the case if
a DC block is installed
somewhere between
the receiver and the
antenna
Check antenna connection for bad cable or bad
LNA. There may be another receiver connected
to the same antenna with no DC block, or this
receiver is connected to the antenna via a DC
block.
MODEM
Communication Error
Cannot communicate
with the modem
Check serial connection to the modem. Check
power on modem. Check baud rate of modem-it
should match baud rate of receiver. Reinitialize
modem.
MODEM
Initialization Error
Cannot initialize the
modem
Check serial connection to the modem. Check
power on modem. Check baud rate of modem-it
should match baud rate of receiver. Reinitialize
modem.
High Receiver
Temperature
Inside receiver
temperature > 80 deg
Celsius: the receiver
will turn off
automatically at 82
deg Celsius (this
message might be
seen when the external
ambient temperature
is >55 degrees
Celsius)
Cover the receiver from the sun. Increase air flow
around receiver.
NOTE: If the receiver’s temperature is still going
up, it will automatically switch to the sleep mode,
in reduced power consumption mode as a safety
measure. To recover, cycle the Power, after
having eliminated the source of overheating.
Download in Progress
Receiver is currently
downloading data
from the PCMCIA
card to a PC. No
session management
operations can be
conducted at this time.
Wait for Download to complete operation before
performing the command. If Download is not
running, Run Download again perform proper
shutdown routine. Do not disconnect serial link to
PC before exiting Download.
† Indicates warning is permanent (the warning will NOT go away if the condition disappears, but
only if it is acknowledged).
‡ Indicates error will only display if antenna is present.
Table 4.9: Front Panel Warnings (continued)
Warning
Definition
Action
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