Instruction manual

Varec, Inc. 57
7532 Radar Tank Gauge
Function “custody mode” (0A9)
This indicates the device calibration mode. The calibration mode (active) can be set
using the hardware security lock on the electronics (see page 36).
Selection:
• inactive
• active pos.
• active neg.
active pos.
The custody mode (device is lead-sealed and accurate to the nearest mm) is active and
is held.
active neg.
Custody mode (device is lead-sealed and accurate to the nearest mm) is activated and
not held, e.g. because the signal-to-noise ratio is less than 5 dB (refer to function “echo
quality” (056) in the function group “extended calibr.” (05)).
Caution! After entering all the values and completing mounting and aligning work,
enter the Reset Code “555” in the function “reset” (0A3) to reset the device history
for auto-correction or set history reset to “yes” in order to reset the device history
for the auto-correction.

E
+
–