Bascom_turner OM-1108 - Page 27

Table 1. Display Sequence
Display Statement Use/Comments
bEEP followed by ON
or by OFF
The TRACK GAS beeper is active.
The TRACK GAS beeper is silent.
Used only for turning beeper ON or OFF. The alarm
limit is set by SniF display (see below).
SniF followed by a number
or by OFF
The TRACK GAS alarm is at value shown.
The TRACK GAS alarm is OFF.
If ON, displayed number is % LEL (RGI-201, RGC-301,
RGA-411, or RGA-611) or % GAS (RGI-211, RGC-311,
RGA-412, or RGA-612). Maximum setting is 20% LEL
or 1.00% GAS.
GAS followed by a number
or by OFF
The % GAS alarm is at value shown.
The % GAS alarm is OFF.
If ON, displayed number is % GAS. Maximum setting is
1.00% gas.
AFCO followed by ON
or by OFF
The air-free CO option is enabled.
The air-free CO option is disabled.
Used only for enabling or disabling air-free CO option.
Cloc followed by a number
or by OFF
The timer for bar hole gas sampling is set to seconds as
shown.
The timer is set OFF.
Used to set sampling time prior to the display of peak and
sustained readings on % GAS scale.
19
LEL followed by a number
or by OFF
The % LEL alarm is at value shown.
The % LEL alarm is OFF.
If ON, displayed number is % LEL.
Maximum setting is 20% LEL.
CO followed by a number
or by OFF
The PPM CO alarm is at value shown.
The PPM CO alarm is OFF.
If ON, displayed number is PPM CO.
Maximum setting is 200 PPM CO.
H2S followed by a number
or by OFF
The PPM H
2
S alarm is at value shown .
The PPM H
2
S alarm is OFF
If ON, displayed number is PPM H
2
S. Maximum setting
is 20 PPM H
2
S.
LoO2 followed by a number The lower alarm limit for oxygen is at value shown. This alarm is always ON and is fixed at 19.5% oxygen.
HiO2 followed by a number The upper alarm limit for oxygen is at value shown. This alarm is always ON and is fixed at 23.0% oxygen.
Pu followed by a number The block limit for the pump is at value shown. Factory set number is 3500. Can be changed to adjust the
pump (see Section 11E).