of the display.The password-protected parameters are PASSWRD and PRB
SEC.
The PASSWRDparameter allows the user to change the password. Press the
Enter buttonto edit the PASSWRD parameter. Press the LR buttons to
highlight the digit to change. Use the UD buttons to scroll through the num-
bers 0-9. Press theEnter button to save the new setting. Press the Exit button
to cancel and to moveto the next parameter or to exit to the menu. Note: Keep
your passwordin a secure location and do not forget the password.
The PRB SEC parameter allowsthe u sertopasswordprotecttheEDITPROBE
and COPY PROBEfunctions of the PROBE menu (see Sections 8.2.1, Edit
Probe and 8.2.2, CopyProbe). If this parameter is set to ON, the user must en-
ter thecorrect password when entering the EDIT PROBE and COPY PROBE
functions.I fthis parameter is set to OFF, a password is not required when en-
teringthese functions. Press the LR buttons to change the parameter setting.
Press the Enter buttonto save the new setting. Press the Exit button to cancel
and to exitto the menu.
7.5.4 Calibration
The CALIBRATIONfunction is used for accessing parameters and functions
relatedto the 1529 calibration. It first displays the date the current calibration is
due and the date the instrument should be recalibrated. Typically,all channels
should havethe same due date. However, in the case that all channels do not
havethe same due date th e earliest date is displayed. This function is pass-
word-protected (see Section 7.5.3). In order to access the parameters within this
function you mustenter the correct four-digit password. When this function is
selected,the bottom portion of the display prompts the user to enter the current
passwordto gain access to this option.
75
7 Menu Functions
System Menu
1
24.159C
3
24.142C
2
24.634C
4
24.015C
ENTER CORRECT PASSWORD FOR ACCESS.
PASSWRD: 0
EXIT
ENTER / MENU UNIT CONTRAST
1529
CHUB E-4THERMOMETER READOUT
Figure46 Password for Calibration Access