Waters 2489, Overview And Maintenance Manual

Page: 73 / 150

June 11, 2015, 715004752 Rev. A
Page 73
To program a new timed event:
1. Press the METHOD (Shift A/B) key on the detector keypad.
Figure 3–17: Method choice list
2. Press 1, Timed events.
3. Enter the time for the event.
Figure 3–18: Timed events screen
4 Chart-mark
(10% of full
scale)
Does not
apply
Does not apply Yes
5 Polarity 1. +
2. –
+ Yes
6 Auto-zero Does not
apply
Does not apply Yes
7 Lamp 1. Off
2. On Off No
8 Switch 1 1. High
2. Low
3. Pulse
4. Rect wave
High No
9 Switch 2 1. High
2. Low
3. Pulse
4. Rect wave
High No
10 Threshold AU –4.0000 to 4.0000 or
variable, depending on
output selection
Yes
Table 3–3: Timed event parameters (continued)
Number Event Units Range or default
Specify
channel