Grant Instruments LTC4 - Manual (Page 17)

LTC4 31115 V1
Operating Manual Page 16
www.grantinstruments.com
current liquid temperature the heater will switch
on and the heater icon will be displayed.
5.2.11 Running a bath preset
Each TX150/TXF200 contains three presets which can be configured to different set
temperatures and in the case of the TXF200 the pump speed can additionally be
configured. This allows the bath to be conveniently run at frequently used temperatures
and pump speeds. See section 5.3.1 for information on preset configuration.
1. Rotate the dial until the preset icon is
highlighted, press the S button.
2. Rotate the dial to select the desired preset 1, 2
or 3, press S to run the preset.
The preset will automatically start as soon as S
is pressed.
If no key is pressed for 10 seconds or if F is
pressed the preset icon is no longer active and
will remain at its original value.
Preset temperatures and set temperatures are limited to the model type and the liquid
selection. The TX150 settable range is between -50°C and 150°C increasing to between
-50°C and 200°C for the TXF200
5.2.12 Running a countdown timer
The countdown timer on the TX150/TXF200 can be set in the range of 1 minute to 99
hours. The countdown timer will sound a buzzer at the end of a countdown period. See
section 5.3.2 for information on configuring countdown timer expiry actions.
1. Rotate the dial until the countdown timer icon is
highlighted, press the S button.
The countdown timer will display the last
countdown time set.
If no key is pressed for 10 seconds or if F is
pressed the countdown timer setting is no longer
active and will remain at its original value.
2. Rotate the dial to set the desired countdown
time, press S to store.
The countdown timer will begin counting down
from the set time. At the end of the countdown
timer period a buzzer will sound. This can be
cancelled by pressing F or S.
To cancel an active countdown timer:
1. Rotate the dial until the countdown timer icon is highlighted, press the S button.
2. Press the F button to cancel the countdown timer.
The countdown timer is stopped.
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