Uniden MHS550 Two-Way Radio User Manual


 
19Uniden MHS550 Radio Owner’s Manual
14. PTT — Press to transmit.
15. Key Lock ON/OFF — lets you lock the keypad to
prevent accidental changes while powered on. The feature
becomes unlocked when powered off and on again. You
can also quickly disable the feature by pressing and holding
down this key.
16. Backlight — Press briey to activate the Backlight.
17. Battery Connection Area and Battery Recharging
Contacts— Install the supplied Lithium Ion Rechargeable
Battery being sure to position the pack as shown in the
section Batteries. To recharge the installed Lithium Ion
battery, place the MHS550 into the Charger Cradle. The
contacts at the bottom edge of the radio receive the required
voltage and current from the cradle to completely recharge
the battery in about 4 hours.
18. Battery Latch — Lift the latch to remove and replace the
Lithium-Ion battery or to install the Alkaline Battery case.
19. MIC — Speak clearly into the microphone aperture when
transmitting for best results. Position the microphone at least
4 inches from your mouth.