OM3215 10/04 Operating Instructions - Section 32 Page 32-21 A4. Not Used Not currently used. Reserved for future use or options. B4. Manual Backup Lights This amber indicator will illuminate when the manually operated Manual Backup switch (5, Fig- ure 32-8, Instrument Panel) is turned ON. C4. 5-Minute Idle Engine Shutdown Timer When the Engine Shutdown Timer switch has been activated (2, Figure 32-8, Instrument Panel), this indicator light will illuminate to indicate that the shutdown timing sequence has started. Refer to Instrument panel for operation of this switch. D4.
Retard Speed Control Indicator This amber light is illuminated when the RSC switch mounted on the console is pulled out to the ON position. E4. Check Engine This amber Check Engine indicator will illuminate if a malfunction is detected by the electronic engine control system. If this indicator illuminates, notify maintenance personnel as soon as possible. A5. Not Used Not currently used. Reserved for future use or options.