Manual

4. If the reading is within the required limits, press

Select to progress to the next step.

After the last calibration step, the user is prompted to

enter the date. THE CALIBRATION DATA IS NOT

SAVED UNTIL A DATE IS ENTERED.

DETAILED PROCEDURE

1. Insure that the Model 320 to be calibrated by means

of the user calibration mode is temperature stable at

25 degrees C ±5 degrees. Any deviation will induce

temperature compensation correction inaccuracies.

2. Press the “set up” key. Select 6 from menu #2. To

display the second menu screen, press the select key

while in the setup mode. Next the user will be

prompted to enter the user calibration code from the

unit’s calibration data sheet. When the correct access

code is entered from this data sheet, functions to be

calibrated will be displayed in the following order.

Function Required Reference Value

Volts input 10.000

Milliamp input 20.000