2 - Introduction
DynaPro Go| Handheld PIN Pad Device with MSR/Contact/Contactless | Installation and Operation Manual
Page 14 of 60 (
D998200129-10
)
2.7
10-Digit Backlit Numeric Keypad With Function Keys
During normal operation, cardholders use the device’s numeric keypad to securely enter PINs and other
numeric data (see
). An audible tone provides feedback when pressing keys, and a
backlight makes data entry easy even in low light conditions. The keypad includes additional function
keys cardholders may press during a transaction:
•
Cardholders can press the green
ENTER
(“OK”) key to indicate they have finished their input.
•
Cardholders can press the red
CANCEL
(“X”) key to halt the current operation. Depending on the
context, it may cancel the entire transaction.
•
When presented with on-screen selection options, cardholders can press the
Left Function Key
,
Middle Function Key
, or
Right Function Key
to select the desired response.
2.8
Low-Power Standby Modes
To conserve battery power, DynaPro Go enters low-power mode or powers off in response to a variety of
events, including screen timeouts (“Sleep Mode”), USB Suspend directives from a connected USB host,
critically low battery power, and periodic maintenance resets. Details about how DynaPro Go manages
and conserves battery power can be found in section