Lockout Switch Configuration; Figure 2-23 S1 Lockout Switch Location - Honeywell DR4500A Product Manual

Installation - Lockout Switch Configuration

2.9 Lockout Switch Configuration

Introduction
The configuration can be locked using S1 switch located next to the microprocessor U17 on the main
printed circuit board.
Restrictions based on lockout switch position
Figure 2-23 shows the location of the S1 lockout switch on the main printed circuit board.
When the lockout switch is OFF (Down—Configure):

You can view and change all applicable operating parameters as described in Section 4 –
Configuration Parameter Definitions.
When the lockout switch is ON (Up—Locked):

Most parameters for the recorder are locked and the parameters may not be changed except for
Tuning 1 and Tuning 2 parameters.
S1 Lockout Switch
UP (ON) Locked
DOWN (OFF) Configure
ATTENTION
Lockout can also be configured under set up group "LOCKOUT". See Subsection 3.18.
This feature also includes the special screw and plate that provide the lead seal capability for
sealing the chart plate.
54 DR4500A Classic Series Circular Chart Recorder With or Without Control Product Manual

Figure 2-23 S1 lockout switch location

Main Printed
Wiring Board
(Right Side)
2 2 7 0 9
Release M
April 2017