P350 Operation Manual 56
Drum & Crawler Controls:
STOP
Pressing the red [STOP] key will stop crawler motion and apply the brake. The [STOP] key will toggle the brake if the
crawler is not in motion.
NOTE: When the crawler is active this indication light will be green.
SONDE
Press the [SELECT] key disables the sonde and selects one of the four available frequencies. Sonde frequency is
shown.
Press [ENABLE] to activate the crawler sonde.
Press the [ENABLE] key a second time to toggle the sonde off and the indication light will turn off.
NOTE: The last selected sonde frequency will still be lit regardless of the sonde status as the sonde is only active if
the amber indication light is on.
DRIVE
MODE: Pressing the [↑] or [↓] key changes the MODE:
(i) MAN (Manual). Allows full manual control of the crawler and drum using the [+] and [-] buttons.
To increase the drum pull speed, press drum speed [-]. To decrease the drum pull speed, press drum speed [+].
NOTE: These keys allow control in ‘MAN’ (manual) mode only. When selected, the ‘MAN’ indication light will come
on.
(ii) AUTO (Automatic). Selecting ‘AUTO’ will allow the crawler to pull cable from the drum as it is driven forward. In
reverse, the drum will pull at constant speed, providing the correct crawler wheel size has been entered into the
controller,
NOTE: When selected, the ‘AUTO’ indication light will illuminate. Whilst cable is being retrieved the ‘DRUM ACTIVE’
indication light will illuminate green.
STOP
Pressing the red [STOP] key will stop the crawler and brake. If the crawler is already braking, pressing the [STOP]
key will toggle the brake
SPEED
In manual mode, to increase the speed of the crawler, press [+]. To decrease the speed of the crawler, press [-].
JOYSTICK Control
Pushing the joystick upwards will increase the crawler’s forward speed. A sustained push of the joystick will accelerate
the crawler until it reaches its maximum speed.
Pulling the joystick backwards will slow the crawler’s forward speed. A sustained pull of the joystick will slow the crawler
until it stops.
AUTO (Auto mode): Continuous pulling of the joystick will result in crawler retrieval.
MAN (Manual mode): Continuous pulling of the joystick will drive the crawler backwards.
Pressing the [STOP] button on the joystick will stop all crawler motion and apply the brake. (it will also turn the
indication light red.
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