Owner's manual

15. Relative time clock readout
16. min:sec. Relative time units
17. CAL. Flashes during calibration
18. INTERVAL. Not used on HH91 and HH92
19. hour:min. Relative time units
20. Type KJTERSN. Indicates selected thermocouple
type
SETUP INSTRUCTIONS
INSTALL BATTERY
To open the battery compartment, turn the
thermometer over and lift the flip-up stand (Fig. 1,
Callout 6) to gain access to the battery compartment
(Callout 7). Remove the single Philips-head screw
securing the battery compartment cover. Set the
cover and screw aside. Obtain a “9V” battery and
install it in the compartment observing the polarity
markings inside. Close the battery compartment by
replacing its cover and securing it with
the screw.
PERFORM SETUP PROCEDURE
The setup procedures for the HH91 AND HH92 are
identical, with one exception: Step 2—adjusting the
temperature compensation (offset) value—must be
performed twice, for the thermocouples of both
channels.
7
1. Set TC type
2. Set TC
offset
5. Set power
line
frequency
4. Set relative
time clock
6. Enable/
disable
ambient
temperature
compensation
3. Set APO
trigger
7. Enter
Calibration
mode
1. Set TC type
2. Set TC
offset
5. Set power
line
frequency
4. Set relative
time clock
6. Enable/
disable
ambient
temperature
compensation
3. Set APO
trigger
7. Enter
Calibration
mode