ENMET MedAir 2200, Руководство по эксплуатации и обслуживанию, Страница: 21 / 41

MedAir ENMET
Manual Release Date – June 9, 2017 P a g e | 20
Manual Part No. – 80002-042
5.3.3 Set Alarm Points
Factory alarm set points are discussed in Section 4.2, See Table 1. To change the alarm points, you must enter the maintenance
menu.
Entrance to the maintenance menu is guarded with a four-digit Password. The factory default setting of the password is 1270.
When a valid numerical password is inserted, the user is allowed to enter the maintenance menu.
In the "Enter Maint Menu" position

Press the
SELECT
switch "Enter Password
ζ
0" is displayed. Press
SELECT
switch once, to move cursor to next digit, this
will be the first digit of the password.

In the
ζ
000 position, the underline cursor is under the left digit.

Press the
OPTION
switch to change the left digit; select the correct digit.

Press the
SELECT
switch, which locks the digit in place and moves the cursor one digit to the right.
Continue this process until the four-digit password is complete. When a valid password is inserted in this manner, the display
is transferred to the "Calibration" portion of the menu. If an invalid password is inserted you are returned to the Enter Maint
Menu display.
After entering a valid password:

Press the
OPTION
switch until; “Maintenance Menu Set Alarm1” appears on display.

Press the
SELECT
switch, "ALARM1 Select: XX " is displayed. XX = the gas of alarm point to be changed.

Press the
OPTION
switch until, desired gas is displayed.

Press the
SELECT
switch; "ALARM 1 V " is displayed, with the flashing placeholder underscore cursor, under the left most
character,
Λ
for ascending trigger point or V for descending trigger point indicator.

Press the
OPTION
switch to toggle between
Λ
and V ; select the correct indicator.

Press the
SELECT
switch to lock in the correct indicator. "ALARM 1 STD " is displayed

Press the
OPTION
switch to toggle between STD and DIFF ; select the correct indicator.

Press the
SELECT
switch to lock in the correct indicator.
If STD is selected, "ALARM 1 V L " is displayed.

The next character is the latching indicator L or
NO
L press the
OPTION
switch to toggle the latching mode.

The next character is the negative sign – press the
OPTION
switch to toggle the negative sign.

The next characters are the alarm 1 value, press the
OPTION
switch to select each digit of the value
When the last digit is accepted display returns to the "Set Alarm1" position.
If DIFF is selected, "ALARM 1
Λ DIFF 000
" is displayed, to set alarm 1 value .

The next characters are the alarm 1 value, press the
OPTION
switch to select each digit of the value

Press the
SELECT
switch to lock in the correct character and move the cursor to the right.

"ALARM 1 DIFF BAND 000 " is displayed, to set alarm 1 differential .

Press the
OPTION
switch to select each digit of the value.

The next characters are the alarm 1 differential value, press the
OPTION
switch to select each digit of the value

Press the
SELECT
switch to lock in the correct character and move the cursor to the right.
When the last digit is accepted, the display returns to the "Set Alarm1" position.
Note: The Alarm 1 differential value is the delay of the M
ED
A
IR
2200 staying in alarm condition until after the measured
reading has returned past the alarm point by the differential value.
Example : If the alarm set point is
Λ
10 and the differential is 2, the M
ED
A
IR
2200 will go into alarm at 10 and stay in alarm
until the reading has dropped below 8.

Repeat for each sensor alarm 1 to be changed.

Press the
OPTION
switch to move to alarm 2, "Set ALARM2" is displayed.

Repeat as for alarm 1 using the STD section.

Press
OPTION
switch until “Exit Maint Menu” appears, then press
SELECT
switch to return the instrument to the Operational
Display