Normal Operation - Redline RL-101 Installation And Operation Manual

1. Normal Operation

The RL101 Head unit monitors the gas level. If the gas level is greater than or equal to the background
setting, the unit will send a message every 5 seconds; if less than the background setting, the unit will
send a message every 5 minutes. When the Rl101CB is in normal mode it will display a zero.
2. NULL
Press menu button or use the reed
once to enter "nul" mode
To place the Rl101 into NULL Mode press MENU button our use the magnet with the reed switch once
"NUL" will flash on the display. The RL101 Head unit monitors the gas level but does not send messages
when in NULL Mode. NULL Mode is used removing any errors in the amplifiers that may cause a gas
reading when there is no gas. Use the Up or Down buttons to adjust the readings to zero.
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