Bryant Preferredt Series Installation Instructions Manual page 34

When the keypad lock selection is turned on, the padlock icon will be displayed. To
unlock the keypad, press and hold the UP/DOWN buttons simultaneously for five
seconds. When the keypad is unlocked, the padlock icon will turn off. The keypad
will remain unlocked for two minutes after the last button press. After two minutes
with no button presses, the keypad will lock again. The keypad will not lock in the
software configuration mode or in the installer test mode.
Default is OF (off).
Option 21 — Keypad Lockout (non- programmable models only)
This selection allows the installer to limit access to the keypad. Selections are OF
(off), 1, 2.
OF (off) — The user has full access to the keypad.
1 — The user has access to change the setpoints.
2 — The entire keypad is locked. When a button is pressed, the backlight will turn
on but none of the operating parameters will be changed.
When the keypad lock selection is turned on, the padlock icon will be displayed. To
unlock the keypad, press and hold the UP/DOWN buttons simultaneously for five
seconds. When the keypad is unlocked, the padlock icon will turn off. The keypad
will remain unlocked for two minutes after the last button press. After two minutes
with no button presses, the keypad will lock again. The keypad will not lock in the
software configuration mode or in the installer test mode.
Default is OF (off).
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