EFJohnson 8500 manual Controls

CONTROLS

S (System) - Pressing this key increases the selected system. Holding it down causes the function to repeat. Only programmed systems can be selected. Turning power on with this switch pressed changes the loudness of the clear-to-talk tone.

G (Group) - Pressing this key increases the selected group. Holding it down causes the function to repeat. Only programmed groups can be selected.

SCN (Scan) - Turns the scan feature on and off. Scan is enabled when “SCN” is indicated in the lower part of the display. Scanning is actually occurring when “IN SCAN” is indicated in the upper part of the display. Turning power on with this key pressed enables/disables the key press tone.

LCK (Lock) - Used to lock systems out of the scan list so that they are not scanned. Also adds locked out systems or groups back into the scan list. Pressing this key changes the status of whatever system or group was selected last. The system or group is locked out and not scanned if is indicated next to “SYS” or “GRP”. Turning power on with this switch pressed enables/disables the keypad.

RTN (Return) - Is programmed to select either the home or last active system/group.

Push-To-Talk (PTT) Switch - Pressing this switch turns the transmitter on as indicated by TX in the display and a lighted transmit indicator on the top panel. This switch is the lower half of the rubber switchpad on the side.

Auxiliary Switch - Pressing this switch with a Multi-Net system selected temporarily suspends system or group scanning. Pressing it twice halts scanning until it is again pressed twice or scanning is re-enabled by the SCN key. Pressing it with a conventional system selected enables the monitor mode. This switch is the lower part of the upper half of the rubber switchpad on the side.

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