Do you have a question about the Optimus 900 MHz and is the answer not in the manual?
Alerts users to avoid exposing the product to rain/moisture and warns against opening the unit due to electric shock hazard.
Explains symbols indicating dangerous voltage and the presence of important operating/maintenance instructions.
Guides users on connecting the transmitter to audio sources via headphone or audio output jacks.
Instructions on plugging the headphones into the receiver jack for audio output.
Guide on attaching the receiver to a belt for convenient, hands-free carrying.
Explains how to recharge the receiver's battery using the dedicated charger jack.
Provides guidelines for protecting hearing, including volume adjustment and turning the receiver on/off.
Step-by-step instructions for operating the transmitter and receiver, including volume and tuning adjustments.
Addresses troubleshooting steps for when the system fails to produce sound.
Provides solutions for audio interference, tuning problems, and low volume.
Covers troubleshooting related to low batteries and optimal transmitter placement.
Offers advice on keeping the system dry, clean, and within normal temperature ranges.
Stresses gentle handling, using fresh batteries, and avoiding harsh chemicals for cleaning.
Warns against modifying internal components, which can void the warranty and FCC authorization.
Explains how to identify and eliminate interference, and advises contacting RadioShack for help.
Notes that interference can come from other 900 MHz devices and suggests moving the system.