
SAM4S NR-500 Series Manual
Introduction • 21
Control Lock
The control lock has 7 positions, accessed with 5 keys. Each ECR is shipped with two full
sets of keys.
VOID
Use to void (correct) items outside of a sale.
OFF
The register is inoperable.
REG
Use for normal registrations.
X
Use to read register reports.
Z
Use to read register reports and reset totals to
zero.
PGM
Use to program the register.
S
The S position is a hidden position reserved for
dealer access.
Before performing any operations in Register Mode a clerk must be signed on. See “Clerk
Sign-On/Sign-Off” for a description of clerk operations.
Control Keys
All NR-500 Series models include two sets of keys that may be used to access the
following control lock positions.
Key
Positions Accessible
REG OFF,
REG
VD
VOID, OFF, REG, X
Z
VOID, OFF, REG, X, Z
P
VOID, OFF, REG, X, Z, PGM
C ALL
POSITIONS
Note: Keys may be removed from the control lock in the OFF or REG positions.
VOID
PGM
Z
X
REG
OFF
S