Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to choose a magellan navigation system [title] Think of whether you find yourself using gps infrequently. [step] Use of an available magellan roadmate navigation smart-or i-phone app, in some cases, is the only system you need in that case. [substeps] You receive all of the same features of the roadmate navigation system through the roadmate app, without the need to carry a separate gps unit.

Ending1: The app is designed, though, to give you lots of wireless reception. [title] Examine outdoor navigation systems for the mmorps in your region. Ending2: The problem, however, occurs if your use of the phone frequently interrupts the gps operation. That and other uses may be reason enough to purchase a magellan gps unit. Ending3: [title] Inspect the location of the public highway. [step] For this you will be purchasing an iphone or other mode of transportation. Ending4: These include flashing red and blue indicators on either side of a windshield. Magellan has its own gps system..

Answer format: ending1/ending2/ending3/ending4