NARDA 8718B - Manual (Page 80)

79 Chapter 13 Keypad Lockout and Display Blanking
13
Keypad Lockout and
Display Blanking
Description
The Lockout feature disables the keypad to prevent inadvertent
changes in operation. This feature can be useful while climbing
and/or if the meter is left unattended during a long data logging
session.
The Blank feature both disables the keypad and blanks the
display. This feature can be useful if the meter is left unattended
during a long data logging session.
Keypad Lockout
To lock the keypad...
1. Access the menu system by pressing the function key
that corresponds to the legend below MENU on the
bottom line of the display.
2. Press number 8 (NEXT) to select the Second Menu
Screen.
3. Press 4 to select LOCKOUT.
4. The meter will automatically return to the
measurements screen and the keypad will be locked.
Only the Off key will respond to commands
individually.
To unlock the keypad...
5. Simultaneously depress both the Enter and Esc keys
to unlock the keypad. These are the two dark blue
keys.