Carrier Supra 950MT Operation & Service Manual page 29

Function Change Key
The FUNCTION CHANGE key is used to display the function codes. Each time this key is
pressed, the display will advance to the next code. This key, in conjunction with the ARROW
and ENTER keys, will allow the user to change the Function Parameters. See
for more detailed information.
If configuration CNF11 is ON, functional parameters are locked. The ability to change functional
parameters from keypad are disabled.
Pretrip Function will be enabled by pressing and holding the FUNCTION CHANGE key for more than 3
seconds. The Pretrip Function is disabled on the Supra 950MT.
Unit Data / Comp Key
The UNIT DATA / COMP. key supports three different functions:
1. Display the status of compartments. This is available from the Compartment Status
2. Control the On/Off status of compartments. This is available from the Compartment
3. Display the unit operating data parameters. Pressing the UNIT DATA / COMP. key for
City Speed Key
The CITY SPEED key is disabled on the Supra 950MT as it is a single-speed only machine.
Alarm Key
Press and hold the ALARM key for 3 seconds to disable the Cab Command buzzer. When not
disabled by use of this key, the buzzer is activated whenever the alarm/fault indicator is illumi-
nated.
Road / Standby Key
The ROAD / STANDBY key selects road or electric motor operating mode. The microprocessor
retains the last entered setpoint in memory even if the unit is shut down or a power failure oc-
curs. NO POWER will be displayed, if unit is switched to standby and power is not available.
Menu, which is brought up by a single press of the UNIT DATA / COMP. key from the
default screen.
Selection Menu, which is brought up by a double press of the UNIT DATA / COMP. key
from the default screen. Or, from a single press of the key from the Compartment Sta-
tus Menu. Select the desired compartment using the UP and DOWN ARROW Keys
and press the ENTER key to make the compartment On/Off.
more than 3 seconds will display the unit operating data parameters. This key, in con-
junction with the ARROW keys, will allow the user to display the unit's operating data
values (i.e, coolant temperature, battery voltage, etc.) See
detailed information.
NOTE
2-11
Section 3.10
Section 3.11 for more
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