Rion NL-42A, Instruction Manual, Page: 51 / 154

33
Preparations
Comparator output
This is an open collector output that can be used to control external equipment.
When the optional Extended Function Program NX-42EX is not installed,
the comparator output cannot be set.
1. Press the MENU key to bring up the menu list screen.
2. Use the keys to select [I/O] and press the MENU/ENTER
key. The I/O screen appears.
3. Use the keys to select [Comparator] and press the MENU/
ENTER key. The comparator screen appears.
4. Use the keys to select [Comparator] and press the MENU/
ENTER key. The ON/OFF setting screen appears.
5. Use the keys to select [ON] and press the MENU/ENTER key.
6. Use the keys to select [Comparator level] and press the MENU/
ENTER key. The comparator level screen appears.
7. Use the keys to select the fi rst digit and use the keys to
set the value.
8. Use the keys to select the two lower digits and use the
keys to set the value. Then press the MENU/ENTER key. (Setting
range 25 dB to 130 dB, 1-dB steps)
9. Use the keys to select [Comparator band] and press the MENU/
ENTER key. The comparator band screen appears.
10. Use the keys to select the comparator band (MAIN AP, SUB
AP) and press the MENU/ENTER key.
11. Press the START/STOP key to return to the measurement screen.