Honeywell CIU 888 - Page 17

Firmware Upgrades
Part No.: 4417596_Rev11 Firmware Upgrade Manual
CIU 888 1 - 11
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 Insert the key for unlocking in the key switch, and turn the key
clockwise.
 Remove the key from the key switch and store it.
On the CIU 888 display, the status of the key switches changes from
‘Locked’ to ‘Unlocked’ (see FIGURE 1-4).
FIGURE 1-14 CIU 888 display: Configuration settings are unlocked