Sper scientific 850013, Instruction Manual

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8 9
Clearing Auto-Stored Data
1. Press and hold
POWER
to turn the meter
OFF
.
2. Press and hold REC . While still holding REC , press and release
POWER
. “CLr” appears on the LCD. The LCD displays “SURE 5,
4, 3, 2, 1, 0.” (The meter allows 5 seconds to abort the operation
by releasing REC .) Continue holding REC until the meter returns to
Normal Mode. The memory is now cleared.
Manually Storing Data
1. Press MEM to store up to 99 data point using manual storage.
Reading Manually-Stored Data
1. Press RECALL . “READ” appears on the LCD.
2. Press ▲ or ▼ to select the data set. The data will display on the LCD.
If there are no data in a data set, “MEM00” appears on the LCD.
Press RECALL to exit Recall Mode.
Clearing Manually-Stored Data
1. Press and hold RECALL . While still holding RECALL , press and
release POWER . “CLr” appears on the LCD. The LCD displays “SURE
5, 4, 3, 2, 1, 0.” (The meter allows 5 seconds to abort the operation by
releasing
RECALL
.) Continue holding
RECALL
until the meter returns
to Normal Mode. The memory is now cleared.
BATTERY REPLACEMENT
1. Remove the screw at the top of the battery cover and lift the cover off
the meter.
2. Insert 4 AA batteries, ensuring correct polarity.
3. Replace the battery cover and tighten the screw to secure.
Note…
This meter can use AA rechargeable batteries. A separate charger
must be provided for rechargeable batteries because the meter is not
designed to recharge batteries.
MAINTENANCE
The following actions will keep the meter in good working condition and
ensure correct measurement technique:
• Wind blowing across the microphone may cause additional noise and
affect the reading. When taking measurements in a windy environment,
the windscreen must be used to prevent interference.