3 Operating Instructions
FIRECLASS FC490ST
8
User Manual Doc. version 2
3
Operating Instructions
3.1
Charging Batteries
How to Install/Replace the batteries:
1 Unscrew the two screws on the base of the FC490ST,
using a cross-point screw driver, holding the battery
compartment cover whilst removing it.
2 Insert the batteries ensuring correct polarity marked on
the PCB.
3 Replace the battery compartment cover and screw
down.
Charging and Mains Use
The FC490ST has its own built-in charging circuit, powered
by the mains adaptor. The batteries are boost-charged for
4-5 hours and reach full charge within 10 hours. It can also
be powered from the mains supply using the mains adap-
tor. If batteries are installed, this allows them to be charged
at the same time. (Refer to “LOW BATTERY” on page 13).
3.2
Password Protection
The FC490ST is switched ON/OFF by pressing any button
for more than 3 seconds. The following example screen
showing the software revision number, is displayed for 2
seconds when the FC490ST is switched on:
Note that the ‘E’ displayed stands for English version (appro-
priate letters are used for other languages). The FC490ST
then displays the screen below:
The FC490ST requires a 6-digit password to be entered.
The password uses only the digits 1 to 4, and may be
entered by pressing the corresponding buttons F1 to F4;
example, button F1 to enter 1, button F2 to enter 2, etc.
The password is
121234
.
On successful entry of the password, the main screen is dis-
played as shown in Fig. 5.
3.3
Connecting to a device
Detectors are inserted as shown below. Use the marking on
the FC490ST (above F1 button) to align the detector. Place
detector in position 1 to engage and then twist clockwise to
position 2 to lock.
Fig. 2: Battery compartment
CAUTION
Battery Status:
Ensure that only CEL specified Nickel metal
hydride rechargeable batteries are used and
fully charged before use.
Fully charge the batteries for 10 hours before
using for the first time.
Do not open the battery lid while the unit is
switched on, or charging.
Password Protection
The following information on Password Protec-
tion is CRUCIAL to the operation of the
FC490ST.
CAUTION
Failure to enter the correct password at the
fourth attempt will result in the FC490ST
switching off and allowing only one attempt on
subsequent powering of the unit.
