ashtech ZY-12 Information Supplement page 76

Table 3.23. Site and Session Control Parameters (continued)
Parameter
HI The height of the antenna in meters. If you enter it during the survey, it
saves you having to enter it during post-processing. The post-processing
software automatically reads the antenna height and uses it in computing
the correct station position. Make sure the values are in metric or you will
have to correct this in post-processing.
T-DRY Contains a record of the dry temperature, in degrees Celsius.
T-WET Contains a record of the wet temperature, in degrees Celsius.
RH Records the percent of relative humidity
BP Barometric pressure in millibars.
Fields to the right are used to modify receiver tracking and recording procedures.
MIN SV Sets an alarm that sounds a continuous beep when the number of
satellites being tracked above the elevation mask falls below this specified
minimum. Used during kinematic surveying. To silence the alarm, press
the [e] key.
RECORD Lets you control whether or not to record data. Y (yes) is the normal mode;
N (no) means do not record data. Use with caution.
EPOCHS Specifies the number of measurement epochs to be logged with the site
name in a kinematic survey. It counts down after each epoch until it
reaches 0, at which time the site name changes to????, indicating the
receiver is moving to the next site.
To enter or change a value on Screen 9:
1. Press [e] to shift to data-entry mode. (A blinking cursor indicates that the
screen in data-entry mode.)
2. Use the left and right arrows to highlight the field you want to change.
3. Use the down arrow to move the cursor down a line. Note that its function here
differs from the other data entry screens.
4. Use the up arrow to display the alphanumeric conversion table.
5. Press [8] for "yes" or [1] for "no" responses.
6. Examine your entries; they can be changed again by moving the cursor to the
desired field and re-entering the information. When the values are acceptable,
press [e] again to save them in memory.
Pressing [c] cancels all entries. Pressing [e] or [c] after data entry returns the
screen to display mode.
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Description
ZY-12 GPS Receiver