Side Controls - E.F. Johnson Company 51 Series Preliminary Operation Manual

CONTROLS AND DISPLAY
Option Switches - These three switches can be system operator pro-
grammed to control a specific function (see page 11).
PTT Switch - This switch is pressed to turn the transmitter on. The indi-
cator on the top panel lights red when the transmitter is keyed.
Accessory Connector - Connection point for optional accessories such
as a speaker/microphone.
Battery Pack - To remove the battery, press the release on the bottom
toward the front of the transceiver and slide the battery outward.
16

Side Controls

Option Switches
PTT Switch
Accessory
Connector
Battery Pack