Specifications

5
VX-520U OPERATING MANUAL
Á
PTT
(
Push-To-Talk
)
button
Hold this button to transmit (the “BUSY/TX” indicator glows red).
Â
LAMP/LOCK button
Press this button momentarily to illuminate the display for five seconds.
Pressing and holding this button locks top-panel push-buttons (S/DW,
DISP, and the optional DTMF keypad); this can be enabled to prevent
radio settings from being disturbed.
Ã
Battery Release button
Slide this button in the direction of the arrow (upward) for battery re-
moval.
Ä
EAR and MIC Jacks
These jacks primarily intended for use with the optional MH-45E2B Ex-
ternal Speaker/Microphone. An external earphone can be used in the larger
jack, in which case the internal speaker will be disabled. When these jacks
are not used, make sure the plastic cap and its two screws are in place to
protect the insides of the transceiver.
CONTROLS & CONNECTORS