Hach 900 MAX Instrument Manual page 41

Step 2 - Intake Tubing
Step 3 - Program Lock
Note: The program lock password is
configured at the factory as "9000"
and cannot be changed.
8990startup.fm
1-C. Enter the bottle volume using the numeric keypad and select gallons or
milliliters using the
CHANGE UNITS
11:00 AM 21 - APR - 01
ACCEPT
BOTTLE VOLUME
BACKUP
ENTER: 0.500—99.90
1-D. Press and continue to Intake Tubing.
ACCEPT
11:00 AM 21 - APR - 01
ACCEPT
INTAKE TUBE LENGTH:
BACKUP
ENTER: 3—99
2-A. Enter the intake tube length attached to the sampler, using the numeric
keypad. Length values from 100 to 3000 cm (3 to 99 ft) are valid.
Change the measurement unit using the
Note: Intake tube length affects sample volume accuracy, cut the tubing to the nearest
whole foot. Avoid excessively long tubing runs. Doubling the intake tubing length
can quadruple the pump tubing wear if intake rinses or sample retries are
enabled. Always locate the sampler close to the sample liquid source to minimize
tubing, pump, motor, and gearbox maintenance.
2-B. Press to move to the Intake Tube Type menu.
ACCEPT
2-C. Select the type of intake tube (
using the
CHANGE UNITS
2-D. Press to select the intake tube type and continue with Program
ACCEPT
Lock.
Enabling the Program Lock will provide a protective "password" which will
keep unauthorized personnel from tampering with the instrument keypad.
3-A. Enable or Disable Program Lock using the
Note: When program lock is enabled and a user attempts to make a change in the
program, a screen will ask the operator to enter the password. The operator must
enter 9000 and press ACCEPT.
3-B. Press to continue the basic program setup and continue with
ACCEPT
Program Delay.
key.
— —
_____
CHANGE UNITS
3
/ in. Vinyl, ¼ in. Vinyl,
8
key.
CHANGE CHOICE
Basic Programming Setup
Section 3
BOTTLES
CHANGE
UNITS
CLEAR
ENTRY
INTAKE TUBING
CHANGE
UNITS
CLEAR
ENTRY
key.
®
3
/ in. Teflon )
8
key.
Page 39