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 briefly 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
19. MIC — Speak clearly into the microphone aperture when transmitting for best results. Position the microphone at least 4 inches from your mouth.
Uniden MHS550 Radio Owner’s Manual | 19 |
