Specifications

Alto 818 Installation and Operation
9-2 P/N 66109074001 Rev. D
Check the voltage of the lithium battery on the PCA. If the voltage is less than 2.8 VDC,
replace the battery. Dispose of the old battery in an approved manner.
6. Door Hardware Check
Inspect door switches for damage; replace as required.
Inspect door locks and hardware; replace as required.
Using the system wiring diagram, installation plan and building specifications, verify the
operation of all REX and door switches. This may be facilitated by the use of the REPORT
and STATUS commands available with a terminal connected to the terminal port (P2) of the
ACU. Make repairs as required.
Inspect all sensors, readers and keypads. Verify correct operation.
7. Alarm Condition Check
Verify reporting of alarm conditions as defined in the database and listed in the setup sheets
by creating the alarm condition (e.g., holding a door open too long, causing an anti-passback
violation, setting off a motion detector, etc.). Use the STATUS command to check alarm
status.
8. SE 774A MSM Check
Verify that all inputs are terminated with a 36K-ohm resistor.
Verify correct functioning of each monitor input; short contact pairs and verify state change.
Read the contact state with the STATUS command.
9. SE 778 Annunciator Check
Verify the proper operation of LED indicators and fuses on the SE 778.
Verify proper operation of all relay outputs as defined in system database.