MO55W-en-GB_V1.1 11/18
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This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to
part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates, uses, and can radiate radio frequency
energy and, if not installed and used in accordance with the instructions, may cause harmful interference to
radio communications. However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct the interference by
one or more of the following measures:
1. Reorient or relocate the receiving antenna.
2. Increase the separation between the equipment and receiver.
3. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
4. Consult the dealer or an experienced radio/TV technician for help.
WARNING
Changes or modifications not expressly approved by the party responsible for compliance could void the user's
authority to operate the equipment.
Maintenance
Battery Replacement
When the battery status icon
appears empty or flashing, replace the battery.
1.
Remove the rear battery compartment cover by pushing the compartment latch.
2.
Replace the 9V battery observing correct polarity.
3.
Replace the compartment door securely.
4.
Dispose of battery responsibly and within applicable legal regulations.
Never dispose of used batteries or rechargeable batteries in household waste.
As consumers, users are legally required to take used batteries to appropriate collection sites, the
retail store where the batteries were purchased, or wherever batteries are sold.
Disposal:
Do not dispose of this instrument in household waste. The user is obligated to take end-of-
life devices to a designated collection point for the disposal of electrical and electronic equipment.
Care and Cleaning
•
When the instrument is not in use, please keep the protective cap in place.
•
Store the meter in a stable, dust-free environment; out of direct sunlight.
•
Remove the battery from the instrument if the meter is to be stored for long periods or if
the battery power symbol appears empty (or flashing) on the display.
•
To clean the meter case, wipe with a damp cloth; do not use solvents or abrasives.
•
To clean the pins, wipe carefully with a damp cloth to remove residue; allow to dry well.
Pin Replacememt
A ten-pack of replacement pins, part number MO50-PINS, is available from an Extech sales
agent. To replace the pins using a small wrench, carefully loosen and remove the existing pins by
turning the nuts (at the base of the pins) counter-clockwise; install the new pins in the same
manner. Use care when replacing the pins, as they are sharp - especially when new.
