Specifications

Instruction 3015-4256 27
Adjusting the IR Bench Voltage
8. Enter the monitor’s set-up mode and display the IR bench voltage adjustment screen as follows:
a. With the monitor in its MEASURE mode, use the Keypad buttons
to place the arrow (>) on the display next to the CAL function.
b. Press the Right-Arrow and ENTER buttons at the same time to
display the revision screen.
c. Press the QUIT button to display the set-up screen.
d. With the arrow (>) next to the DIGIPOT function, press the
ENTER button to display the IR bench voltage adjustment
screen.
9. While observing the IR VOLT reading, use the Up- and Down-Arrow
buttons to obtain a reading of 4.200 ±0.100 volts. Note that the DIGIPOT
value may vary from what is shown in the display on the right.
IMPORTANT! If adjusting the DIGIPOT does not reach 4.2000±0.0500 volts then return to step 9 to
lower the IR Emitter setting by 75mW. Next, repeat the DIGIPOT adjustment.
10. Press the ENTER button, and then press the QUIT button twice to exit the monitor’s set-up mode.
11. Upon exiting the set-up mode a purge cycle will be performed; after which, the monitor will
automatically return to its MEASURE mode.
12. Close and secure the enclosure door using the screws removed in Step 2.
13. The monitor can now be placed back into service.
SILENCE ZONETMP
SQUELCH >CAL
R
EV M D Y
x.xx at HH:MM:SS
>DIGIPOT MODEL
P CAL IR
DIGIPOT=193
IR VOLT=4.200