Check The Battery - iOptron CEM70 Instruction Manual


Stop: mount is not moving;

Slew: mount is moving with an arrow key is pressed or a GOTO command, such as "Select and
Slew" or "Goto Zero Position";

Tracking: mount is at a tracking status.
10. GPS status: "GPS ON" indicates the mount is connected to its GPS receiver and is seeking a satellite
signal. "GPS OFF" indicates either the mount does not have a GPS installed/connected or the GPS is
malfunction. When the GPS receiver finds the satellites and receives the GPS signal the status will
change to "GPS OK".
11. PEC status: Display of "PEC" here Indicates the Periodic Error Correction playback is turned on.
Default is off.
12. Tracking speed: Displays the current tracking rate of the mount.

SDRL: mount is tracking at sidereal speed;

Solar: mount is tracking at solar speed;

Lunar: mount is tracking at lunar speed;

King: mount is tracking at king speed;

CSTM: mount is tracking at a custom, user-defined speed.
13. Slew speed: The mount has 9 slew speeds: 1X, 2X, 8X, 16X, 64X, 128X, 256X, 512X, MAX(3.75°/sec).
14. Operation Mode: EQ indicates that the mount is operating in an equatorial mode.

2.5. Check the Battery

The hand controller has a real time clock (RTC) which should display the correct time every time the
mount is turned on. If the time is incorrect, please check the battery inside the hand controller and
replace it if needed.
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