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2. Commands
In this manual, unless otherwise specified, any “key” refers to the keys on a PC keyboard. The “screen” referred
to is the PC monitor screen.
2-1 Command mode and Converse mode
The typical operating modes of this unit are the Command mode and the Converse mode.
It is necessary to use the command mode to set internal parameters, or execute immediate direct commands in the
EJ-50U. When the unit is in the command mode, the “cmd:” prompt will appear on the screen. If “cmd:” does not
show up, press enter (or carriage return [CR], or <CTRL+C>).
The Converse mode enables the EJ-50U to transmit text as data. Use this mode for sending files and/or text. Press
the <Ctrl +C> keys together to return to the command mode.
2-2 General use of the commands
2-2-1: Direct commands
The commands without specific definitions or parameter settings are Direct Commands. These are mainly used to
change modes. These commands are immediate, such as D for Disconnect.
2-2-2: Setting parameters
Type the command parameter name. Enter a space after the parameter name and type the new value. Press [CR] to
enter. The screen will show “XXX was YYY”(XXX stands for the parameter, YYY for the previous value). If the
parameter setting is ON/OFF, use the Y key for ON, N key to select OFF.
2-2-3: Reconfirming the stored parameters
Type the command name only and press [CR] key. The monitor will show “XXX is ZZZ” (ZZZ stands for current
value).
2-3: Error messages
2-3-1 [?EH]
This prompt will be displayed when the command does not exist or an invalid string is entered.
2-3-2 [?BAD][?RANGE][?TOO LONG]
If the entered command does not specify the parameter [?BAD] appears. If the command exceeds the parameter
range [?RANGE] appears. If the length of a column is too long, [?TOO LONG] appears.
2-3-3 [?TOO MANY][?NOT ENOUGH]
If the parameter value is too long [?TOO MANY] will be displayed.
If the parameter value is too short [?NOT ENOUGH] will be displayed.