Calibration Events - SubSurface Instruments AML PRO Operator's Manual

CALIBRATION EVENTS

RF CAL
(Radio Frequency Calibration)
The RF CAL involves recalibrating
the RF Board from backup files in the
microprocessor. The RF CAL returns
the RF Board to its original condition.
Refer to page 16, for instructions on
how to recalibrate the AML Pro.
CLK BAT
(Clock Battery)
The AML Pro contains a Real Time
Clock. The Real Time Clock (RTC) is
a function of the microprocessor. It is
preset at the factory and will auto-
correct once the TIME ZONE SET is
selected and the AML Pro receives a
UTC signal from the satellites.
Power for the RTC is supplied by a
rechargeable coin battery located
within the unit. The coin battery has a
non-use shelf life of 9 months, a CLK
BAT event indicates that the voltage
in the coin battery has run too low to
sustain the RTC. A CLK BAT event
will show on the STATUS Line and an
audible alert will sound. Simply wait
for the coin battery to recharge from
the alkaline battery pack, connect the
AML Pro to the external lithium battery
supply or connect the AML Pro to a
computer to recharge the coin battery.
Every time a CLK BAT event takes
place, the TIME ZONE SET needs to
be reset.
RTC 16 27 57
044 27 4494 N
088 07 6298 W
RTC 16 27 57
RTC 16 27 57
000 00 0000 N
044 27 4494 N
000 00 0000 W
088 07 6298 W
RTC 16 27 57
RTC 16 27 57
044 27 4494 N
044 27 4494 N
088 07 6298 W
088 07 6298 W
RTC 16 27 57
Figure 21-1
RTC
16 27 57
044 27 4494 N
044 27 4494 N
088 07 6298 W
088 07 6298 W
RTC 16 27 57
044 27 4494 N
088 07 6298 W
RTC 16 27 57
044 27 4494 N
088 07 6298 W
RTC 16 27 57
044 27 4494 N
088 07 6298 W
Figure 21-2
full
DEG 86
SEN 17
no lock
discard
DEG 86
DEG 86
SEN 17
SEN 17
logged
empty
DEG 86
DEG 86
SEN 17
SEN 17
full
clk bat
DEG 86
DEG 86
SEN 17
SEN 17
discard
DEG 86
SEN 17
empty
DEG 86
SEN 17
clk bat
DEG 86
SEN 17
21