Quest Products O2/LEL Manual do Utilizador descarregar pdf (Página 9)

Operation

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SafeCheck 200 Operator’s Manual

3.4.3 Setup:

After turning the unit on, move through the main menu using the ▼ arrow

key until SETUP is highlighted. Press I/O, and the screen will ask you to

enter a four digit numeric password. For first time users or for users who

have forgotten their password, a default password was created. This four

digit default password is 9157.

The blinking cursor appears in place of the first digit. Press the ▼ arrow

key to scroll through the numbers from 9 down to 0.

Once you have reached the number you want, press

I/O, and the blinking cursor will appear in place of

the next digit. Repeat this process until the entire 4 digit password appears

on the screen. Then, when you press the I/O key, you will have

successfully accessed the SETUP menu.

The following items, will be found in the SETUP menu: Alarms Set,

Safety Chirp, Display Options, and Password. Press

the ▼ arrow key to cycle through them. Press the

I/O key to select the highlighted item.

As you are moving through most of the setup sub-menus, pressing the up

arrow key will return you to the previous menu.

• Alarms Set:

There are alarm activation levels for each of the sensors. While you may

alter any of the alarm activation levels, we recommend that you use the

default values which have been programmed into the unit. These values

are listed under Section 7. GAS SPECIFIC DATA on page 27.

Within the Setup menu, access ALARMS SET

by pressing the I/O key when ALARMS SET is

highlighted.

To change the alarm activation levels, first highlight a sensor using the ▼

arrow key and then select it by pressing the I/O key.

For the OXYGEN sensor, both HI and LOW

alarm activation levels can be set.

Enter

Password: ■---

Alarm Set

Safety Chirp

O2 LEL

Alarm Latch N

O2 HI Alrm 23.5

LO Alrm 19.5

Operation

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SafeCheck 200 Operator’s Manual

For the combustible gas sensor (either LEL or

), the HIGH LEVEL alarm activation level

can be set.

When Alarm Latch is highlighted, pressing the I/O key will change

between Y (yes) or N (no). This allows you to select whether the alarm

will turn off as soon as the hazard goes away (N) or

whether the alarm will latch (Y) until you

acknowledge it by pressing the I/O key. Once your

selection is made, press the ▲ arrow key to return to the SETUP menu or

the ▼ arrow key to change any of the sensor's alarm activation levels.

• Safety Chirp:

The SAFETY CHIRP feature, when enabled, provides an audio beep every

10 seconds in the RUN mode to inform the user that their unit is turned on

and is currently running.

Use the ▼ arrow key to move through the setup menu until you reach

SAFETY CHIRP Press the I/O key to access the

safety chirp menu. In this menu you have the

options of enabling or disabling the safety chirp.

To select whether or not the safety chirp feature is turned on, press the I/O

key while SAFETY CHIRP is highlighted. The letter on the right will

change between Y (YES) and N (NO).

• Display Options:

This menu allows you to select whether or not you wish to use the back-

light option. It also allows you to select whether to display the combustible

sensor (if present) as % LEL or % CH

(methane) by volume.

Select DISPLAY OPTIONS from the SETUP menu. Use the ▼ arrow key

to select BK_LIGHT or LEL. With BK_LIGHT highlighted, pressing the

I/O key will change between Y (YES) and N (NO).

The backlight option will illuminate the screen for 10 seconds each time a

key is pressed during the RUN mode and the

MAIN menu, when turning the unit on and off,

and when the unit goes into alarm. The

backlight is useful in low-light areas but will not

be noticed in bright areas.

LEL Alarm

Level: 10%

O2 LEL

Alarm Latch N

Safety Chirp Y

Bk_Light Y

LEL = % of CH4

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 19 20

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