6
Calibration:
Please use typical 94 dB @ 1 kHz standard calibrator.
1. Slide open Battery Door to access
the Calibration Pot.
2. Setting on sound level meter:
A = Frequency weighting;
FAST = Time Weighting;
Level range is 60 dB to 110 dB.
3. Insert SPLM into calibrator.
4. Adjust Calibration Pot until the
display shows appropriate level
(See Figure 1).
CAL
dB
A
NOTE: The SPLM is calibrated prior to
shipment. The recommended calibration
cycle is one year.
Figure 1
CALIBRATION
POT
CALIBRATOR
BATTERIES
(4 AA)
Battery Installation:
1. Remove the battery door and
insert 4 AA alkaline batteries
into the battery compartment.
2. Replace the battery door.
3. When the battery voltage drops
below the operating voltage,
a Low Battery Indicator icon
appears on the display. Replace
the batteries in the SPLM with
new batteries.
2. OPERATING INSTRUCTIONS
CA
L
OP
EN
BATTERIES
(4 AA)
SLIDE DOOR PANEL
DOWN TO OPEN
REAR VIEW
54-2221-01A_SPLM Manual 7.13_Layout 1 10/3/13 11:16 AM Page 8
