Martel Electronics 320 - Manual (Page 28)

value of the desired character. Appendix A lists the
values for each character.
To advance to the next position without changing the
existing character, press Enter while the ????? prompt
is showing. To back up to previous position, press Clr
while the ????? prompt is showing. Press the <
ENT > key repeatedly to exit the routine.
6 = Calib (User Calibration)
The Model 320 is a fully digital instrument that
employs advanced software correction algorithms to
allow the instrument to be fully calibrated without the
use of any analog adjustments, i.e., trim pots. The
Model 320 allows all parameters except temperature
compensation to be adjusted from the keypad.
CALIBRATION SHOULD ONLY BE ATTEMPTED
BY
QUALIFIED PERSONNEL HAVING
SUITABLE METROLOGY STANDARDS
AVAILABLE.
The parameters that are adjusted and the required
reference sources are listed below:
26