Operating instructions

ES Series Models II/III Portable Radio Operating Manual 3-1
S ECTION
Section 3General Operation
3.1 Turning Power On and Setting Volume
Power is turned on and off by the top panel ON-OFF/Volume switch.
3.1.1 Power Up
When power is initially turned on, the following events occur:
• The EFJohnson Technologies logo is displayed
• The firmware version number is displayed.
• A self test is performed.
• If the Radio ID feature is enabled, the radio will display the (up to ten-character) Radio
ID alias in place of the Self Test message during startup. Radio ID identifies the
personality file used to program the radio, the service area for which the radio is
programmed, or functional grouping for which the radio is programmed. The Radio ID
alias display will be included with the Radio Info display items in both button/scroll and
menu modes. If disabled, the Radio ID menu mode will display a blank line.
• The currently selected zone is displayed.
• The Individual (Unit/Unique) ID programmed for the currently selected system is
displayed.
• A tone sounds (if tones are enabled) and the alias of the selected talkgroup is displayed
continuously.