Explorer 1500 Digital Instructions Supplement

Description

Three menus displayed on a two line Digital Display window & selected by a single PUSH-N-TURN knob control the operation of the Explorer 1500.

The three menus are:
Normal: indicates power level from Full to –5 f-stops
Setup: controls several performance options
System: monitors readiness of the power supply by showing battery level and number of flashes

There is a flashing cursor at the beginning of one of the two lines in the Digital Display window. Pushing down on the PUSH-N-TURN knob moves the cursor to the other line. Turning the PUSH-N-TURN knob selects an option on the line with the flashing cursor.

When power is turned on, the Explorer goes through a series of internal power-up checks while the status of the stored options is shown on the display. After going through these checks, the display will show the Normal menu and the flashing cursor will show the power level that has been previously selected. The default power level is the power that the Explorer was at when it was last turned off. An option on the SETUP menu allows the Explorer to start at its lowest level [-5 f-stops] to conserve battery power.

Changing a Menu Option
An example of changing a menu option is disabling the beeper.
The flashing cursor is normally on the lower line of the display ready for a power level change. Push down on the PUSH-N-TURN knob. The cursor is now on the upper line of the display. Turn the knob and the words MENU and NORMAL appear. Push the knob and the cursor moves to the bottom line by the word NORMAL. Turn the knob until SETUP appears next to the cursor. Press down on the knob so that the cursor is on the top line next to MENU. You are now in the SETUP menu. Turn the knob through the various options until the BEEPER appears. If the word on the lower line is ENABLED, then pressing the knob will change it to DISABLED. Press again and the beeper will be ENABLED. Turn the knob until you return to MENU and SETUP appears below it. Press the knob and the cursor moves down to SETUP and turn it until NORMAL appears at the cursor. Push the knob and it moves up by MENU and turn it until the cursor is flashing next to f-stop. Press the knob and the cursor is on the lower line ready to change power levels. The new option will be retained until it is changed again.

Alarms
If an unsatisfactory condition should occur, an alarm will sound. Warning conditions and Explorer responses are as follows.

Low Battery
Beeps twice and displays: “BATTERY”,”LOW” every 5 seconds.

Battery Alarm
No Beeps, displays “Low Batt”, ”Shutdown” and unit shuts down after continued operation in a low battery condition.

Under Exposed
Any time the Explorer is more than 0.3 f-stops below its setting when a flash occurs, the unit beeps twice and displays “underExp”, ”X,Y stops” where X,Y equal the number of f-stops and tenths of stops underexposed.

Charge Rate or Discharge Rate too long
Displays “CHARGER”,”ERROR” and shuts down. This may indicate an internal component failure.

Alarm conditions may occasionally be cleared by simply turning off the Explorer and restarting.