NCR 7452, Руководство пользователя

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1-20 Chapter 1: Product Overview
Keylock
The keyboard has a four-position keylock switch. You can rotate the
keylock switch between specific positions by use of three keys. The
positions are explained in the following table.
Abbreviation Position Description
Ex Exception Used by the customer or service representative to
perform low level programming such as
workstation diagnostics, configuring the
workstation, or loading the workstation.
L Locked Used to lock keyboard input to prohibit use of
normal functions.
R Retail Used when performing normal retail mode
functions.
S Supervisor Used by the supervisor to provide highest level of
workstation control in cases such as refunds and
running totals.
Speaker
The programmable speaker is capable of generating key clicks and
error tones.