TM-9-2320-344-10

TRUCK, CARGO, GUIDED MISSILE TRANSPORTER (GMT), 8X8, M985A4GMT

TECHNICAL MANUAL; OPERATOR'S MANUAL

OCTOBER 2008

TM-9-2320-344-10 - Page 176 of 1012

Table 1.

Heater Compartment Controls and Indicators. - Continued

Key

Control/

Indicator

Function

1

Transmission

Range Selec-

tor

R (reverse) - Used to back up vehicle.

N (neutral) - Used when starting vehicle, parking vehicle, or

if vehicle controls are left unattended while engine is running.

D (drive) - Used for all normal driving conditions. When vehi-

cle is in motion, transmission will upshift/downshift automati-

cally.

UP ARROW (increase) - Once the D (drive) is pressed, press-

ing the (increase) button allows the operator to override the

automatic function of the transmission and shift to a higher

gear range. Pressing the D (drive) button returns the trans-

mission to its automatic function.

DOWN ARROW (decrease) - Once the D (drive) is pressed,

pressing the (decrease) button allows the operator to override

the automatic function of the transmission and shift to a lower

gear range. Pressing the D (drive) button returns the trans-

mission to its automatic function.

MODE - Used for maintenance/troubleshooting procedures.

2

Cabin Floor

Vent Control

Regulates amount of airflow directed to the floor vents. This

is a rheostat-type control. Turning control CW gradually less-

ens airflow until it stops. Turning control CCW gradually in-

creases airflow to the cabin floor until the vents are completely

open.

TM 9-2320-344-10

0020

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