4
MODEL 5700
II. DETAILED DESCRIPTION
General descriptions of each of the items mentioned in the previous section are provided below.
Their functions are indicated in Section III, OPERATION.
A. FRONT PANEL
1. ON/OFF/TEST Switch
This switch is a three-position type with alternate ON and OFF positions, and a
momentary TEST position. Switch is located at the lower left side.
2. Display
Display is a centrally located LCD type and is refreshed every 0.8 seconds; the
red ALARM light faintly blinks at the same time.
3. SPAN and ZERO Adjustments
Located to the right of the display are two miniature multi-turn slotted-shaft
potentiometers, accessible through holes in the panel with a small screwdriver.
B. LEFT SIDE
The items listed below are aligned toward the rear from the center of the left side panel
and from top to bottom are:
1. Buzzer (Piezoelectric - 85 dB(A) at 1 Ft.)
Buzzer is at the top of the side panel. It provides a continuous tone during high
CO alarm, a pulsing tone during certain malfunction conditions.
The next three items are colored LED indicating lights that come on when various
conditions, described later, are present.
2. ALARM light
Red ALARM light blinks faintly during normal operation and is on steadily
during the high CO alarm condition.
To Next Page
Loading...