MSA GasGard XL Manuel D'utilisation page 18

4.3 Controls
Located on the front panel are four control push buttons for Control Unit operation and configuration.
SYMBOL
ENTER:
UP:
DOWN:
ESCAPE:
ACKNOWLEDGE-
MENT:
RESET:
4.4 Using the Hotkeys
Pressing some of the front panel control push buttons for a longer period accesses some additional
basic screen features.
UP:
ESCAPE:
After the selftest, the firmware version of all assigned boards displays:
• C1 ...C8 - Channel boards
• R1 ... R2 - Relay boards
• D- Display board
• M – Main board.
PRESS BUTTON TO CAUSE
UNIT TO:
enter a lower menu or accept the
change
change values/options
advance the cursor to the next posi-
tion
exit the upper menu or cancel the
change
disable the audible signal when
alarm occurs
reset alarm relays to normal oper-
ating conditions when a measured
value drops below the latching
alarm level
Pressing button for five seconds changes
the language from English to one of 10
local languages and back
Pressing button for five seconds starts the
GasGard XL Selftest Process, testing the:
• LCD display
• LEDs
• internal buzzer.
GasGard XL
Operation
US
18